John R. Walsh, DO
NPI 1649271180ActiveIndividual· Internal Medicine· West Chester, PA
Internal Medicine (DO) in West Chester, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $836,086 for 10,991 claims, against $91,938 paid for services in 2024. Pfizer Inc. reported $21.45 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1649271180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 9, 2005 |
| Last updated in NPPES | Jan 31, 2025 |
| Certified by provider | Jan 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS006953L | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 468 |
|---|---|
| Services billed | 2,259 across 35 procedure codes |
| Paid by Medicare | $91,938 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,991 · 26,376 30-day fills |
|---|---|
| Patients | 964 |
| Total drug cost | $836,086 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Clinical Care Associates of the University of Pennsylvania Health.Philadelphia, PA · 598 clinicians
- Novacare Outpatient Rehabilitation East, Inc.Collegeville, PA · 503 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PA
- Paoli HospitalPaoli, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Exton, PA
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
- Penn Medicine HospiceHospice · Bala Cynwyd, PA
Industry payments (Open Payments)
- 2025$21.45 · 1 payment from 1 company
- 2024$40.95 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $21.45 | 1 |
What the 2025 payments were for
- Food and Beverage$21.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 internal medicine physicians in West Chester · All internal medicine physicians in Pennsylvania