Andrew M. Ryan
Economics, Econometrics and Finance · University of Michigan
Publications
308
Citations
9,320
Est. group size
~17
Recurring co-author estimate
Active years
34
Publishing since 1993
Typically publishes in teams of ~5 · 26% small-team papers (≤3 authors) · across 58 venues
- Bundled Payments For Care Improvement Advanced: Effects On Hospital And CMS Spending, 2018–21
Health Affairs · 2026
- Substantial Variation In Administrative Spending And Profit Across State Insurance Markets, 2023
Health Affairs · 2026
- Financial Effects of an Out-of-pocket Cap in Traditional Medicare: a Microsimulation Study
Open MIND · 2026
- Rapid Disenrollment Rates Tripled For Medicare Advantage Beneficiaries, 2017–22
Health Affairs · 2026
- Double Bonuses Increased MA Spending In Puerto Rico By $865 Million But Did Not Achieve Plan Improvement Goals
Health Affairs · 2026
- Exposure to the new Medicare Advantage risk adjustment model varies across insurers
Health Affairs Scholar · 2026
- Flaws in the Medicare Advantage Star Ratings
JAMA Health Forum · 2025
- Difference‐in‐Differences for Health Policy and Practice: A Review of Modern Methods
Statistics in Medicine · 2025
- A New Medicare Agenda—Moving Beyond Value-Based Payment and the Managed Care Paradigm
JAMA · 2025
- Combining Patient Survey Data With Diagnosis Codes Improved Medicare Advantage Risk-Adjustment Accuracy
Health Affairs · 2025
- Medicare Advantage Plan Spending and Payments Under the Hospice Carve-Out
JAMA Network Open · 2025
- Commercial Insurers Paid More For Procedures At Hospital Outpatient Departments Than At Ambulatory Surgical Centers
Health Affairs · 2025
- Estimating the Budgetary Impact of Reforms to the Medicare Advantage Quality Bonus Program
JAMA · 2025
- Trends in Plan Offerings, Enrollment, and Premiums in Medicare Advantage and Medigap
Health Services Research · 2025
- Unpacking the No Surprises Act
BMJ · 2025
- Health Affairs×28
- JAMA Health Forum×16
- Health Services Research×13
- JAMA×12
- Annals of Surgery×12
- Adam A. Markovitz
Economics, Econometrics and Finance · University of Michigan
- Simon F. Haeder
Economics, Econometrics and Finance · The Ohio State University
- Sheldon M. Retchin
Economics, Econometrics and Finance · The Ohio State University
- Laurence F. McMahon
Economics, Econometrics and Finance · University of Michigan
- Jun Li
Economics, Econometrics and Finance · University of Michigan
This profile was generated automatically from public scholarly data (OpenAlex). Group size and activity levels are estimates derived from co-authorship patterns.
Last updated Jul 25, 2026.
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