Christopher Walker
NPI 1447786934ActiveIndividual· Internal Medicine, Gastroenterology· Rochester, NY
Internal Medicine, Gastroenterology in Rochester, New York, trained at Eastern Virginia Medical School (class of 2017). Mostly services rather than prescriptions: Medicare paid $25,595 for 121 patients in 2024, with only 23 Part D claims. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $43.24 in all, mostly food and beverage.
Overview
| NPI | 1447786934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 3, 2017 |
| Last updated in NPPES | Apr 16, 2023 |
| Certified by provider | Apr 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 304522 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 260 across 18 procedure codes |
| Paid by Medicare | $25,595 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 49 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $3,986 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Eastern Virginia Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Flh Medical PCGeneva, NY · 46 clinicians
Hospital affiliations
- Geneva General HospitalGeneva, NY
- Soldiers and Sailors Memorial Hospital of YatesPenn Yan, NY
- St Anthonys Memorial HospitalEffingham, IL
Industry payments (Open Payments)
- 2025$43.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $22.52 | 1 |
| Gilead Sciences, Inc. | $20.72 | 1 |
What the 2025 payments were for
- Food and Beverage$43.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 gastroenterologists in Rochester · All gastroenterologists in New York