John C. Eggenberger, M.D.
NPI 1225191844ActiveIndividual· Colon & Rectal Surgery· Ypsilanti, MI
Colon & Rectal Surgery (M.D.) in Ypsilanti, Michigan, trained at University of Michigan Medical School (class of 1985). In 2024 Medicare paid $34,671 for 121 patients, and Part D covered 180 of their prescriptions, 76% of them generic. Intuitive Surgical, Inc. reported $6,450 in payments in 2025, mostly education.
Overview
| NPI | 1225191844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 18, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 4301405869 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 121 |
|---|---|
| Services billed | 238 across 43 procedure codes |
| Paid by Medicare | $34,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 180 · 186 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $6,697 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- St Joe Mercy Hospital System LivoniaLivonia, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
Industry payments (Open Payments)
- 2025$6,450 · 11 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $6,450 | 11 |
What the 2025 payments were for
- Education$5,899 · 4 payments
- Travel and Lodging$374.65 · 2 payments
- Food and Beverage$176.06 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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