Alison H. Affinati, MD, PHD
NPI 1871983502ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Ann Arbor, MI
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD, PHD) in Ann Arbor, Michigan, trained at Northwestern University Feinberg Medical School (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $262,109 for 519 claims, against $5,219 paid for services in 2024.
Overview
| NPI | 1871983502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Feb 3, 2015 |
| Last updated in NPPES | Jul 23, 2020 |
| Certified by provider | Jul 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 4301501638 | MI |
| Internal Medicine | 207R00000X | 4301501638 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 108 across 12 procedure codes |
| Paid by Medicare | $5,219 |
Part D prescriptions in 2024
| Prescriptions (claims) | 519 · 1,272 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $262,109 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Ann Arbor
- 1962432963
- 1477436293
- 1407019995
- 1942561246
- 1417199134
- 1881024644
- 1710069240
- 1164633889
- 1083670251
- 1891877320
- 1275796989
- 1073976825
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Michigan →