John A. Walker, MD
NPI 1346210994ActiveIndividual· Internal Medicine, Gastroenterology· Bend, OR
Internal Medicine, Gastroenterology (MD) in Bend, Oregon, trained at University of Texas Southwestern Medical School at Dallas (class of 1973). In 2024 Medicare paid $40,918 for 224 patients, and Part D covered 78 of their prescriptions, 77% of them generic. Janssen Biotech, Inc. reported $13.24 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1346210994 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Jul 12, 2022 |
| Certified by provider | Jul 12, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD10503 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 308 across 16 procedure codes |
| Paid by Medicare | $40,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 78 · 110 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $7,291 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Gastroenterology |
Medical group
- Centennial Medical Group IncRoseburg, OR · 59 clinicians
Hospital affiliation
- Mercy Medical CenterRoseburg, OR
Industry payments (Open Payments)
- 2024$13.24 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $13.24 | 1 |
What the 2024 payments were for
- Food and Beverage$13.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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