John Charles Byrn, MD
NPI 1174798235ActiveIndividual· Colon & Rectal Surgery· Ann Arbor, MI
Colon & Rectal Surgery (MD) with Regents of the University of Michigan, practicing in Ann Arbor, Michigan. In 2024 Medicare paid $63,887 for 153 patients, and Part D covered 159 of their prescriptions, 79% of them generic. Lists University of Michigan Health System as a hospital affiliation.
Overview
| NPI | 1174798235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 29, 2008 |
| Last updated in NPPES | Oct 20, 2020 |
| Certified by provider | Oct 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 4301106798 | MI |
| Surgery | 208600000X | 4301106798 | 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 - Colorectal Surgery (Proctology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 270 across 62 procedure codes |
| Paid by Medicare | $63,887 |
Part D prescriptions in 2024
| Prescriptions (claims) | 159 · 159 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $2,526 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery |
| 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
Other facilities
- Elara CaringHome health agency · Jackson, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Colon & Rectal Surgery providers in Ann Arbor
- 1366479354
- 1316473580
- 1578767588
- 1871574095