Martin Lee Chambers, MD
NPI 1235179540ActiveIndividual· Internal Medicine· Punxsutawney, PA
Internal Medicine (MD) in Punxsutawney, Pennsylvania, trained at Pennsylvania State University College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $524,477 for 6,146 claims, against $24,102 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $128.76 in all, mostly food and beverage.
Overview
| NPI | 1235179540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Mar 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD042709L | 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 | 75 |
|---|---|
| Services billed | 418 across 18 procedure codes |
| Paid by Medicare | $24,102 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,146 · 14,084 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $524,477 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
Medical group
- Keystone Rehabilitation Systems IncSeven Fields, PA · 776 clinicians
Hospital affiliations
- Penn Highlands DuboisDubois, PA
- Punxsutawney Area HospitalPunxsutawney, PA
Other facilities
- Punxsutawney Home Health CareHome health agency · Punxsutawney, PA
- 365 Hospice LLCHospice · Carrolltown, PA
Industry payments (Open Payments)
- 2025$128.76 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $56.54 | 1 |
| Abiomed | $38.98 | 1 |
| Heartflow, Inc. | $33.24 | 1 |
What the 2025 payments were for
- Food and Beverage$128.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Punxsutawney
- 1376530386
- 1750320628
- 1881689297