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Bellerose, Meghan, James, Hannah O., Shroff, Jay, Ryan, Andrew M., Meyers, David J.
"Combining Patient Survey Data With Diagnosis Codes Improved Medicare Advantage Risk-Adjustment Accuracy." Health Affairs, vol. 44, no. 1, 2025, pp. 58-65.
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Maganty, Avinash, Kaufman, Samuel R., Oerline, Mary K., Faraj, Kassem, Caram, Megan E.V., Ryan, Andrew M., Shahinian, Vahakn B., Hollenbeck, Brent K.
"Commercial Prices and Care for Medicare Beneficiaries With Prostate Cancer." Urology, vol. 196, 2025, pp. 137-144.
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Meyers, David J., Trivedi, Amal N., Ryan, Andrew M.
"Flaws in the Medicare Advantage Star Ratings." JAMA Health Forum, vol. 6, no. 1, 2025, pp. e244802.
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"2025 Medicare Advantage Advance Notice: Small Changes, Missed Opportunities." Forefront Group, 2024.
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Lin, Sunny C., Adler-Milstein, Julia, Hollingsworth, John M., Ryan, Andrew.
"Alternative Payment Models and Patient-Reported Quality of Preparation for Discharge: A Retrospective Longitudinal Study." Journal of Patient Experience, vol. 11, 2024.
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Papanicolas, Irene, Milstein, Ricarda, Ryan, Andrew M, Figueroa, Jose F.
"Are alternative payment models the answer to the failures of pay-for-performance?." BMJ, 2024, pp. e077941.
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"Are Changes To The Medicare Physician Fee Schedule Driving Value In US Health Care?." Forefront Group, 2024.
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Murray, Roslyn C., Meyers, David J., Fuse Brown, Erin C, Williams, Travis C., Ryan, Andrew M.
"Association Between the Medicare Advantage Quartile Adjustment System and Plan Behavior and Enrollment." JAMA Health Forum, vol. 5, no. 1, 2024, pp. e234822.
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"Bundled Payments Lead to Quality Improvements in Hospitals’ Skilled Nursing Facility Referral Networks." The American Journal of Managed Care, vol. 30, no. 6, 2024, pp. e184-e190.
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Feng, Shuo, Ganguli, Ishani, Lee, Youjin, Poe, John, Ryan, Andrew, Bilinski, Alyssa.
"Difference-in-Differences for Health Policy and Practice: A Review of Modern Methods." 2024.
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Hattab, Zaid, Doherty, Edel, Ryan, Andrew M., O’Neill, Stephen.
"Heterogeneity within the Oregon Health Insurance Experiment: An application of causal forests." PLOS ONE, vol. 19, no. 1, 2024, pp. e0297205.
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Murray, Roslyn C., Brown, Zach Y., Miller, Sarah, Norton, Edward C., Ryan, Andrew M.
"Hospital Facility Prices Declined As A Result Of Oregon’s Hospital Payment Cap." Health Affairs, vol. 43, no. 3, 2024, pp. 424-432.
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Murray, Roslyn C., Whaley, Christopher M., Fuse Brown, Erin C., Ryan, Andrew M.
"Hospital Payment Caps Could Save State Employee Health Plans Millions While Keeping Hospital Operating Margins Healthy." Health Affairs, vol. 43, no. 12, 2024, pp. 1680-1688.
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Li, Jun, Monti, Yvonne, Ryan, Andrew.
"Hospitals Did Not Increase Acute Occupational Therapy Provision Despite Positive Associations With Hospital Performance Under Medicare’s Comprehensive Care for Joint Replacement Program." The American Journal of Occupational Therapy, vol. 79, no. 1, 2024.
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Sankaran, Roshun, Gulseren, Baris, Prescott, Hallie C., Langa, Kenneth M., Nguyen, Thuy, Ryan, Andrew M.
"Identifying Sources of Inter-Hospital Variation in Episode Spending for Sepsis Care." Medical Care, vol. 62, no. 7, 2024, pp. 441-448.
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Bejarano, Geronimo, Ryan, Andrew, Trivedi, Amal, Offiaeli, Kendra, Meyers, David J.
"Medicare Advantage Plan and Health System Vertical Integration, 2011-2020." JAMA Network Open, vol. 7, no. 7, 2024, pp. e2423733.
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Shashikumar, Sukruth A., Ryan, Andrew M., Joynt Maddox, Karen E.
"Medicare’s New Mandatory Bundled-Payment Program — Are We Ready for TEAM?." New England Journal of Medicine, vol. 391, no. 22, 2024, pp. 2065-2067.
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Murray, Roslyn C., Norton, Edward C., Ryan, Andrew M.
"Oregon's Hospital Payment Cap and Enrollee Out-of-Pocket Spending and Service Use." JAMA Health Forum, vol. 5, no. 8, 2024, pp. 242614.
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Shashikumar, Sukruth A., Chopra, Zoey, Buxbaum, Jason D., Joynt Maddox, Karen E., Ryan, Andrew M.
"Physician Group Practices Accrued Large Bonuses Under Medicare’s Bundled Payment Model, 2018–20." Health Affairs, vol. 43, no. 5, 2024, pp. 623-631.
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Beckman, Adam L., Ryan, Andrew M., Figueroa, Jose F.
"The Rise and Risks of Medicare Advantage “Affinity Plans”." JAMA, vol. 331, no. 15, 2024, pp. 1271.
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Bejarano, Geronimo, Ryan, Andrew, Trivedi, Amal, Meyers, David J.
"Vertical Integration and Care Experiences Among Medicare Advantage Beneficiaries." JAMA Network Open, vol. 7, no. 10, 2024, pp. e2438994.
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Ankuda, Claire K., Aldridge, Melissa D., Braun, R. Tyler, Coe, Norma B., Grabowski, David C., Meyers, David J., Ryan, Andrew, Stevenson, David, Teno, Joan M.
"Addressing Serious Illness Care in Medicare Advantage." New England Journal of Medicine, vol. 388, no. 19, 2023, pp. 1729-1732.
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Kendrick, Daniel E., Thelen, Angela E., Chen, Xilin, Gupta, Tanvi, Yamazaki, Kenji, Krumm, Andrew E., Bandeh-Ahmadi, Hoda, Clark, Michael, Luckoscki, John, Fan, Zhaohui, Wnuk, Greg M., Ryan, Andrew M., Mukherjee, Bhramar, Hamstra, Stanley J., Dimick, Justin B., Holmboe, Eric S., George, Brian C.
"Association of Surgical Resident Competency Ratings With Patient Outcomes." Academic Medicine, vol. 98, no. 7, 2023, pp. 813-820.
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Chao, Grace F., Yang, Jie, Thumma, Jyothi, Chhabra, Karan R., Arterburn, David E., Ryan, Andrew, Telem, Dana A., Dimick, Justin B.
"Correction: Volume–outcome relationships for Roux-en-Y gastric bypass patients in the sleeve gastrectomy era." Surgical Endoscopy, vol. 37, no. 3, 2023, pp. 2420-2420.
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Murray RC, Meyers DJ, Brown ECF, Ryan AM.
"Estimated Fiscal Effects of Medicare Advantage's Quartile Payment System." JAMA Health Forum, vol. 4, no. 12, 2023, pp. e234030.
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Ryan, Andrew M., Markovitz, Adam A.
"Estimated Savings From the Medicare Shared Savings Program." JAMA Health Forum, vol. 4, no. 12, 2023, pp. e234449.
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Howard, Ryan, Ryan, Andrew, Hu, Hsou Mei, Brown, Craig S., Waljee, Jennifer, Bicket, Mark C., Englesbe, Michael, Brummett, Chad M.
"Evidence-Based Opioid Prescribing Guidelines and New Persistent Opioid Use After Surgery." Annals of Surgery, vol. 278, no. 2, 2023, pp. 216-221.
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Ryan AM, Chopra Z, Meyers DJ, Fuse Brown EC, Murray RC, Williams TC.
"Favorable Selection In Medicare Advantage Is Linked To Inflated Benchmarks And Billions In Overpayments To Plans." Health Affairs, vol. 42, no. 9, 2023, pp. 1190-1197.
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Post, Brady, Hollenbeck, Brent K., Norton, Edward C., Ryan, Andrew M.
"Hospital‐physician integration and clinical volume in traditional Medicare." Health Services Research, vol. 59, no. 1, 2023.
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Ryan, Andrew M., Buxbaum, Jason D., Shashikumar, Sukruth A, Chopra, Zoey.
"It’s Time For A New Season Of Episode-Based Payment." Forefront Group, 2023.
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Brown ECF, Williams TC, Murray RC, Meyers DJ, Ryan AM.
"Legislative and Regulatory Options to Improve Medicare Advantage." Journal of Health Politics, Policy and Law, vol. 48, no. 6, 2023, pp. 919-950.
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"Medicare Advantage Audit Changes Let Plans Keep Billions In Overpayments." Forefront Group, 2023.
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Chao, Grace F., Yang, Jie, Thumma, Jyothi R., Chhabra, Karan R., Arterburn, David E., Ryan, Andrew M., Telem, Dana A., Dimick, Justin B.
"Out-of-pocket Costs for Commercially-insured Patients in the Years Following Bariatric Surgery." Annals of Surgery, vol. 277, no. 2, 2023, pp. e332-e338.
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Ryan, Andrew M., Shashikumar, Sukruth A., Chopra, Zoey, Joynt Maddox, Karen E., Buxbaum, Jason D.
"Reconciliation Payments in the Bundled Payments for Care Improvement Advanced Program and Reductions in Clinical Spending Needed for CMS to Avoid Financial Losses." JAMA, vol. 329, no. 14, 2023, pp. 1221.
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Meyers, David J., Ryan, Andrew M., Trivedi, Amal N.
"Trends in Cumulative Disenrollment in the Medicare Advantage Program, 2011-2020." JAMA Health Forum, vol. 4, no. 8, 2023, pp. e232717.
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Ryan, Andrew M., Gulseren, Baris, Ayanian, John Z., Markovitz, Adam A., Meyers, David J., Brown, Erin Fuse.
"Association Between Double Bonuses and Clinical and Administrative Performance in Medicare Advantage." JAMA Health Forum, vol. 3, no. 9, 2022, pp. e223301.
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Shashikumar, Sukruth A., Gulseren, Baris, Berlin, Nicholas L., Hollingsworth, John M., Joynt Maddox, Karen E., Ryan, Andrew M.
"Association of Hospital Participation in Bundled Payments for Care Improvement Advanced With Medicare Spending and Hospital Incentive Payments." JAMA, vol. 328, no. 16, 2022, pp. 1616.
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Howard, Ryan, Norton, Edward C., Yang, Jie, Thumma, Jyothi, Arterburn, David E., Ryan, Andrew, Telem, Dana, Dimick, Justin B.
"Association of Insurance Coverage With Adoption of Sleeve Gastrectomy vs Gastric Bypass for Patients Undergoing Bariatric Surgery." JAMA Network Open, vol. 5, no. 8, 2022, pp. e2225964.
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Herrel, Lindsey A., Yan, Phyllis, Modi, Parth, Adler-Milstein, Julia, Ryan, Andrew M., Hollingsworth, John M.
"Association of Medicare Beneficiary and Hospital Accountable Care Organization Alignment With Surgical Cost Savings." JAMA Health Forum, vol. 3, no. 12, 2022, pp. e224817.
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Adler-Milstein, Julia, Linden, Ariel, Hollingsworth, John M., Ryan, Andrew M.
"Association of Primary Care Engagement in Value-Based Reform Programs With Health Services Outcomes." JAMA Health Forum, vol. 3, no. 2, 2022, pp. e220005.
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Ying, Meiling, Hirth, Richard A., Yan, Phyllis, Shay, Addison, Murali, Sitara, Ryan, Andrew, Hollingsworth, John M.
"Changes in Shared Savings Program Participation After Launch of Pathways to Success." Journal of General Internal Medicine, vol. 38, no. 7, 2022, pp. 1780-1782.
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Howard, Ryan, Yang, Jie, Thumma, Jyothi, Ehlers, Anne, O’Neill, Sean, Arterburn, David, Ryan, Andrew, Telem, Dana, Dimick, Justin B.
"Comparative Safety of Sleeve Gastrectomy and Gastric Bypass up to 5 Years After Surgery in Patients With Medicaid." Annals of Surgery, vol. 277, no. 6, 2022, pp. 979-987.
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Markovitz, Adam A., Murray, Roslyn C., Ryan, Andrew M.
"Comprehensive Primary Care Plus Did Not Improve Quality Or Lower Spending For The Privately Insured." Health Affairs, vol. 41, no. 9, 2022, pp. 1255-1262.
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Stokes, Jonathan, Bower, Peter, Guthrie, Bruce, Mercer, Stewart W., Rice, Nigel, Ryan, Andrew M., Sutton, Matt.
"Cuts to local government spending, multimorbidity and health-related quality of life: A longitudinal ecological study in England." The Lancet Regional Health - Europe, vol. 19, 2022, pp. 100436.
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Shashikumar, Sukruth A., Ryan, Andrew M., Joynt Maddox, Karen E.
"Equity Implications of Hospital Penalties During 4 Years of the Comprehensive Care for Joint Replacement Model, 2016 to 2019." JAMA Health Forum, vol. 3, no. 12, 2022, pp. e224455.
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Lin, Sunny C., Maddox, Karen E. Joynt, Ryan, Andrew M., Moloci, Nicholas, Shay, Addison, Hollingsworth, John Malcolm.
"Exit Rates of Accountable Care Organizations That Serve High Proportions of Beneficiaries of Racial and Ethnic Minority Groups." JAMA Health Forum, vol. 3, no. 9, 2022, pp. e223398.
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Markovitz, Adam A., Montás, Marie C., Warrier, Anupama, Ayanian, John Z., Ryan, Andrew M.
"Hispanic-White Differences in Double Bonuses for Quality of Care in Medicare Advantage." JAMA Health Forum, vol. 3, no. 3, 2022, pp. e215281.
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Post, Brady, Norton, Edward C., Hollenbeck, Brent K., Ryan, Andrew M.
"Hospital‐physician integration and risk‐coding intensity." Health Economics, vol. 31, no. 7, 2022, pp. 1423-1437.
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Meyers, David J., Ryan, Andrew M., Trivedi, Amal N.
"How Much of an "Advantage" Is Medicare Advantage?." JAMA, vol. 328, no. 21, 2022, pp. 2112-2113.
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Berlin, Nicholas L., Chopra, Zoey, Bryant, Arrice, Agius, Josh, Singh, Simone R., Chhabra, Karan R., Schulz, Paul, West, Brady T., Ryan, Andrew M., Kullgren, Jeffrey T.
"Individualized Out-of-Pocket Price Estimators for “Shoppable” Surgical Procedures: A Nationwide Cross-Sectional Study of US Hospitals." Annals of Surgery Open, vol. 3, no. 2, 2022, pp. e162.
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McGrath, Brenda M., Takamine, Linda, Hogan, Cainnear K., Hofer, Timothy P., Rosen, Amy K., Sussman, Jeremy B., Wiitala, Wyndy L., Ryan, Andrew M., Prescott, Hallie C.
"Interpretability, credibility, and usability of hospital-specific template matching versus regression-based hospital performance assessments; a multiple methods study." BMC Health Services Research, vol. 22, no. 1, 2022.
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Howard, Ryan, Yang, Jie, Thumma, Jyothi, Arterburn, David E., Ryan, Andrew, Chao, Grace, Telem, Dana, Dimick, Justin B.
"Long-term comparative effectiveness of gastric bypass and sleeve gastrectomy on use of antireflux medication: a difference-in-differences analysis." Surgery for Obesity and Related Diseases, vol. 18, no. 8, 2022, pp. 1033-1041.
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Joynt Maddox, Karen E., Shashikumar, Sukruth A., Ryan, Andrew M.
"Medicare’s Bundled Payment Models—Progress and Pitfalls." JAMA, vol. 327, no. 18, 2022, pp. 1761.
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Joynt Maddox, Karen E., Shashikumar, Sukruth A., Ryan, Andrew M.
"Medicare’s Bundled Payment Models—Reply." JAMA, vol. 328, no. 10, 2022, pp. 985.
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Yu, Youfei, Du, Jiacong, Zhang, Min, Wu, Zhenke, Ryan, Andrew M., Mukherjee, Bhramar.
"Outcome Adaptive Propensity Score Methods for Handling Censoring and High-Dimensionality: Application to Insurance Claims." 2022.
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Milad, Marina A., Murray, Roslyn C., Navathe, Amol S., Ryan, Andrew M.
"Value-Based Payment Models In The Commercial Insurance Sector: A Systematic Review." Health Affairs, vol. 41, no. 4, 2022, pp. 540-548.
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Howard, Ryan, Brown, Craig, Gunaseelan, Vidhya, Englesbe, Michael, Waljee, Jennifer, Bicket, Mark, Ryan, Andrew, Brummett, Chad.
"A Difference-in-Differences Analysis of New Persistent Opioid Use After Surgery v1." [], 2021.
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Kamel, Hooman, Parikh, Neal S., Chatterjee, Abhinaba, Kim, Luke K., Saver, Jeffrey L., Schwamm, Lee H., Zachrison, Kori S., Nogueira, Raul G., Adeoye, Opeolu, Díaz, Iván, Ryan, Andrew M., Pandya, Ankur, Navi, Babak B.
"Access to Mechanical Thrombectomy for Ischemic Stroke in the United States." Stroke, vol. 52, no. 8, 2021, pp. 2554-2561.
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Markovitz, Adam A., Ryan, Andrew M., Peterson, Timothy A., Rozier, Michael D., Ayanian, John Z., Hollingsworth, John M.
"ACO Awareness and Perceptions Among Specialists Versus Primary Care Physicians: a Survey of a Large Medicare Shared Savings Program." Journal of General Internal Medicine, vol. 37, no. 2, 2021, pp. 492-494.
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Chopra, Zoey, Gulseren, Baris, Chhabra, Karan R., Dimick, Justin B., Ryan, Andrew M.
"Bundled Payments for Care Improvement Efficacy Across 3 Common Operations." Annals of Surgery, vol. 277, no. 1, 2021, pp. e16-e23.
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Sheetz, Kyle H., Gerhardinger, Laura, Ryan, Andrew M., Waits, Seth A.
"Changes in Dialysis Center Quality Associated With the End-Stage Renal Disease Quality Incentive Program." Annals of Internal Medicine, vol. 174, no. 8, 2021, pp. 1058-1064.
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Lai, Lillian Y., Kaufman, Samuel R., Oerline, Mary K., Ryan, Andrew M., Ellimoottil, Chad, Caram, Megan E. V., Shahinian, Vahakn B., Hollenbeck, Brent K.
"Commercial Prices for Prostatectomy and Treatment among Younger, Privately Insured Men with Prostate Cancer." Urology Practice, vol. 8, no. 6, 2021, pp. 611-618.
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Berlin, Nicholas L., Peterson, Timothy A., Chopra, Zoey, Gulseren, Baris, Ryan, Andrew M.
"Hospital Participation Decisions In Medicare Bundled Payment Program Were Influenced By Third-Party Conveners." Health Affairs, vol. 40, no. 8, 2021, pp. 1286-1293.
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Vincent, Brenda M., Molling, Daniel, Escobar, Gabriel J., Hofer, Timothy P., Iwashyna, Theodore J., Liu, Vincent X., Rosen, Amy K., Ryan, Andrew M., Seelye, Sarah, Wiitala, Wyndy L., Prescott, Hallie C.
"Hospital-specific Template Matching for Benchmarking Performance in a Diverse Multihospital System." Medical Care, vol. 59, no. 12, 2021, pp. 1090-1098.
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Post, Brady, Norton, Edward C., Hollenbeck, Brent, Buchmueller, Thomas, Ryan, Andrew M.
"Hospital‐physician integration and Medicare’s site‐based outpatient payments." Health Services Research, vol. 56, no. 1, 2021, pp. 7-15.
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Cher, Benjamin A. Y., Gulseren, Baris, Ryan, Andrew M.
"Improving target price calculations in Medicare bundled payment programs." Health Services Research, vol. 56, no. 4, 2021, pp. 635-642.
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Herrel, Lindsey A., Zhu, Ziwei, Ryan, Andrew M., Hollenbeck, Brent K., Miller, David C.
"Intensity of end‐of‐life care for dual‐eligible beneficiaries with cancer and the impact of delivery system affiliation." Cancer, vol. 127, no. 24, 2021, pp. 4628-4635.
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Adler‐Milstein, Julia, Linden, Ariel, Bernstein, Steven, Hollingsworth, John, Ryan, Andrew.
"Longitudinal participation in delivery and payment reform programs among US Primary Care Organizations." Health Services Research, vol. 57, no. 1, 2021, pp. 47-55.
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Modi, Parth K., Kaufman, Samuel R., Caram, Megan EV., Ryan, Andrew M., Shahinian, Vahakn B., Hollenbeck, Brent K.
"Medicare Accountable Care Organizations and the Adoption of New Surgical Technology." Journal of the American College of Surgeons, vol. 232, no. 2, 2021, pp. 138-145e2.
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Markovitz, Adam A., Ayanian, John Z., Warrier, Anupama, Ryan, Andrew M.
"Medicare Advantage Plan Double Bonuses Drive Racial Disparity In Payments, Yield No Quality Or Enrollment Improvements." Health Affairs, vol. 40, no. 9, 2021, pp. 1411-1419.
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"Medicare managed care: further reform needed to deliver on promise." The American Journal of Managed Care, vol. 27, no. 2, 2021, pp. 53-56.
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Norton, Edward C., Li, Jun, Das, Anup, Ryan, Andrew M., Chen, Lena M.
"Medicare’s Hospital Value-Based Purchasing Program Values Quality over QALYs." Medical Decision Making, vol. 42, no. 1, 2021, pp. 51-59.
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Chhabra, Karan R., Fuse Brown, Erin, Ryan, Andrew M.
"No More Surprises — New Legislation on Out-of-Network Billing." New England Journal of Medicine, vol. 384, no. 15, 2021, pp. 1381-1383.
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Moloci, Nicholas M., Si, Yajuan, Norton, Edward C., Ryan, Andrew M., Hollingsworth, John M.
"Predicting Losses from Medicare Shared Savings Program Departures." Journal of General Internal Medicine, vol. 36, no. 8, 2021, pp. 2490-2491.
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Post, Brady, Lapedis, Jeremy, Singh, Karandeep, Valenstein, Paul, Büyüktür, Ayşe G., Teske, Karin, Ryan, Andrew M.
"Predictive Model-Driven Hotspotting to Decrease Emergency Department Visits: a Randomized Controlled Trial." Journal of General Internal Medicine, vol. 36, no. 9, 2021, pp. 2563-2570.
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Scheiman, James M., Fendrick, A. Mark, Nuliyalu, Ushapoorna, Ryan, Andrew M., Chhabra, Karan R.
"Surprise Billing for Colonoscopy: The Scope of the Problem." Annals of Internal Medicine, vol. 174, no. 3, 2021, pp. 426-428.
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Markovitz, Adam A., Ayanian, John Z., Sukul, Devraj, Ryan, Andrew M.
"The Medicare Advantage Quality Bonus Program Has Not Improved Plan Quality." Health Affairs, vol. 40, no. 12, 2021, pp. 1918-1925.
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Chao, Grace F., Li, Kathleen Y., Zhu, Ziwei, McCullough, Jeff, Thompson, Mike, Claflin, Jake, Fliegner, Maximilian, Steppe, Emma, Ryan, Andrew, Ellimoottil, Chad.
"Use of Telehealth by Surgical Specialties During the COVID-19 Pandemic." JAMA Surgery, vol. 156, no. 7, 2021, pp. 620.
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Chao, Grace F., Yang, Jie, Thumma, Jyothi, Chhabra, Karan R., Arterburn, David E., Ryan, Andrew, Telem, Dana A., Dimick, Justin B.
"Volume–outcome relationships for Roux-en-Y gastric bypass patients in the sleeve gastrectomy era." Surgical Endoscopy, vol. 36, no. 6, 2021, pp. 3884-3892.
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Sankaran, Roshun, Gulseren, Baris, Nuliyalu, Ushapoorna, Dimick, Justin B., Sheetz, Kyle, Arntson, Emily, Chhabra, Karan, Ryan, Andrew M.
"A Comparison of Estimated Cost Savings from Potential Reductions in Hospital-Acquired Conditions to Levied Penalties Under the CMS Hospital-Acquired Condition Reduction Program." The Joint Commission Journal on Quality and Patient Safety, vol. 46, no. 8, 2020, pp. 438-447.
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Hoffman, Geoffrey J., Nuliyalu, Ushapoorna, Bynum, Julie, Ryan, Andrew M.
"Alzheimer’s Disease and Related Dementias and Episode Spending Under Medicare’s Bundled Payment for Care Improvements Advanced (BPCI-A)." Journal of General Internal Medicine, vol. 36, no. 8, 2020, pp. 2499-2502.
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Cher, Benjamin A. Y., Ryan, Andrew M., Hoffman, Geoffrey J., Sheetz, Kyle H.
"Association of Medicaid Eligibility With Surgical Readmission Among Medicare Beneficiaries." JAMA Network Open, vol. 3, no. 6, 2020, pp. e207426.
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Chao, Grace F., Chhabra, Karan R., Yang, Jie, Thumma, Jyothi R., Arterburn, David E., Ryan, Andrew M., Telem, Dana A., Dimick, Justin B.
"Bariatric Surgery in Medicare Patients." Annals of Surgery, vol. 276, no. 1, 2020, pp. 133-139.
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Chhabra, Karan R., Telem, Dana A., Chao, Grace F., Arterburn, David E., Yang, Jie, Thumma, Jyothi R., Ryan, Andrew M., Blumenthal, Blanche, Dimick, Justin B.
"Comparative Safety of Sleeve Gastrectomy and Gastric Bypass." Annals of Surgery, vol. 275, no. 3, 2020, pp. 539-545.
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Valley, Thomas S, Kamdar, Neil, Wiitala, Wyndy L, Ryan, Andrew M, Seelye, Sarah M, Waljee, Akbar K, Nallamothu, Brahmajee K.
"Continuous quality improvement in statistical code: avoiding errors and improving transparency." BMJ Quality & Safety, vol. 30, no. 3, 2020, pp. 240-244.
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Molling, Daniel, Vincent, Brenda M., Wiitala, Wyndy L., Escobar, Gabriel J., Hofer, Timothy P., Liu, Vincent X., Rosen, Amy K., Ryan, Andrew M., Seelye, Sarah, Prescott, Hallie C.
"Developing a template matching algorithm for benchmarking hospital performance in a diverse, integrated healthcare system." Medicine, vol. 99, no. 24, 2020, pp. e20385.
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Ibrahim, Andrew M., Nuliyalu, Ushapoorna, Lawton, Emily J., O’Neil, Stephen, Dimick, Justin B., Gulseren, Baris, Sinha, Shashank S., Hollingsworth, John M., Engler, Tedi A., Ryan, Andrew M.
"Evaluation of US Hospital Episode Spending for Acute Inpatient Conditions After the Patient Protection and Affordable Care Act." JAMA Network Open, vol. 3, no. 11, 2020, pp. e2023926.
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Krinsky, Sam, Errickson, Josh, Ryan, Andrew M.
"Grade pending: the effect of the New York City restaurant sanitary grades inspection program on Salmonellosis." Journal of Public Health, vol. 30, no. 5, 2020, pp. 1171-1177.
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Lawton, Emily J., Sheetz, Kyle H., Ryan, Andrew M.
"Improving the Hospital-Acquired Condition Reduction Program Through Rulemaking." JAMA Health Forum, vol. 1, no. 5, 2020, pp. e200416.
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Zlotnick, Hanna, Hoffman, Geoffrey J., Nuliyalu, Ushapoorna, Engler, Tedi A., Langa, Kenneth M., Ryan, Andrew M.
"Is social capital protective against hospital readmissions?." BMC Health Services Research, vol. 20, no. 1, 2020.
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Chhabra, Karan R., McGuire, Keegan, Sheetz, Kyle H., Scott, John W., Nuliyalu, Ushapoorna, Ryan, Andrew M.
"Most Patients Undergoing Ground And Air Ambulance Transportation Receive Sizable Out-Of-Network Bills." Health Affairs, vol. 39, no. 5, 2020, pp. 777-782.
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Chhabra, Karan R., Sheetz, Kyle H., Nuliyalu, Ushapoorna, Dekhne, Mihir S., Ryan, Andrew M., Dimick, Justin B.
"Out-of-Network Bills for Privately Insured Patients Undergoing Elective Surgery With In-Network Primary Surgeons and Facilities." JAMA, vol. 323, no. 6, 2020, pp. 538.
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Lin, Sunny C., Yan, Phyllis L., Moloci, Nicholas M., Lawton, Emily J., Ryan, Andrew M., Adler-Milstein, Julia, Hollingsworth, John M.
"Out-Of-Network Primary Care Is Associated With Higher Per Beneficiary Spending In Medicare ACOs." Health Affairs, vol. 39, no. 2, 2020, pp. 310-318.
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Li, Jun, Sukul, Devraj, Nuliyalu, Ushapoorna, Ryan, Andrew M.
"Patient Coded Severity and Payment Penalties Under the Hospital Readmissions Reduction Program." Medical Care, vol. 58, no. 11, 2020, pp. 1022-1029.
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Liu, Wenshuo, Stansbury, Cooper, Singh, Karandeep, Ryan, Andrew M., Sukul, Devraj, Mahmoudi, Elham, Waljee, Akbar, Zhu, Ji, Nallamothu, Brahmajee K.
"Predicting 30-day hospital readmissions using artificial neural networks with medical code embedding." PLOS ONE, vol. 15, no. 4, 2020, pp. e0221606.
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Berlin, Nicholas L., Gulseren, Baris, Nuliyalu, Ushapoorna, Ryan, Andrew M.
"Target Prices Influence Hospital Participation And Shared Savings In Medicare Bundled Payment Program." Health Affairs, vol. 39, no. 9, 2020, pp. 1479-1485.
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Chhabra, Karan R., Ryan, Andrew M., Dimick, Justin B.
"The Policy Life Cycle—Evaluating Health Policies With Diminishing Returns." JAMA Health Forum, vol. 1, no. 3, 2020, pp. e200294.
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Modi, Parth K., Yan, Phyllis, Hollenbeck, Brent K., Kaufman, Samuel R., Borza, Tudor, Skolarus, Ted A., Schroeck, Florian R., Ryan, Andrew M., Shahinian, Vahakn B., Herrel, Lindsey A.
"Urologist Practice Structure and Quality of Prostate Cancer Care." Urology Practice, vol. 7, no. 5, 2020, pp. 419-424.
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Sheetz, Kyle H, Ryan, Andrew.
"Accuracy of quality measurement for the Hospital Acquired Conditions Reduction Program." BMJ Quality & Safety, vol. 29, no. 7, 2019, pp. 605-607.
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Arntson, Emily, Dimick, Justin B., Nuliyalu, Ushapoorna, Errickson, Josh, Engler, Tedi A., Ryan, Andrew M.
"Changes in Hospital-acquired Conditions and Mortality Associated With the Hospital-acquired Condition Reduction Program." Annals of Surgery, vol. 274, no. 4, 2019, pp. e301-e307.
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Markovitz, Adam A., Rozier, Michael D., Ryan, Andrew M., Goold, Susan D., Ayanian, John Z., Norton, Edward C., Peterson, Timothy A., Hollingsworth, John M.
"Low-Value Care and Clinician Engagement in a Large Medicare Shared Savings Program ACO: a Survey of Frontline Clinicians." Journal of General Internal Medicine, vol. 35, no. 1, 2019, pp. 133-141.
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Zogg, Cheryl K., Thumma, Jyothi R., Ryan, Andrew M., Dimick, Justin B.
"Medicare's Hospital Acquired Condition Reduction Program Disproportionately Affects Minority-serving Hospitals." Annals of Surgery, vol. 271, no. 6, 2019, pp. 985-993.
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Everson, Jordan, Adler-Milstein, Julia, Ryan, Andrew M., Hollingsworth, John M.
"Hospitals Strengthened Relationships With Close Partners After Joining Accountable Care Organizations." Medical Care Research and Review, vol. 77, no. 6, 2018, pp. 549-558.
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