Tong Gan, M.D.
NPI 1275941791ActiveIndividual· Colon & Rectal Surgery· Grand Rapids, MI
Colon & Rectal Surgery (M.D.) in Grand Rapids, Michigan, trained at Ohio State University College of Medicine (class of 2014). In 2024 Medicare paid $43,044 for 116 patients, and Part D covered 358 of their prescriptions, 82% of them generic. Vertex Pharmaceuticals Incorporated was the largest of 2 companies reporting payments in 2025, $5,983 in all, mostly consulting fees.
Overview
| NPI | 1275941791 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2014 |
| Last updated in NPPES | Oct 10, 2022 |
| Certified by provider | Oct 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 4301507236 | 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 | 116 |
|---|---|
| Services billed | 228 across 58 procedure codes |
| Paid by Medicare | $43,044 |
Part D prescriptions in 2024
| Prescriptions (claims) | 358 · 358 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $5,533 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Colorectal Surgery (Proctology) |
Medical group
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
Hospital affiliations
- Corewell Health Pennock HospitalHastings, MI
- Lakeland Hospital, St JosephSt Joseph, MI
- Spectrum HealthGrand Rapids, MI
Other facilities
- Corewell Health Visiting Nurse AssociationHome health agency · Grand Rapids, MI
Industry payments (Open Payments)
- 2025$5,983 · 2 payments from 2 companies
- 2024$238.32 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $5,968 | 1 |
| Capsovision, Inc. | $15.82 | 1 |
What the 2025 payments were for
- Consulting Fee$5,968 · 1 payment
- Food and Beverage$15.82 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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