Paul Armstrong, MD
NPI 1265547590ActiveIndividual· Internal Medicine· Laurel, MD
Internal Medicine (MD) with Medstar Medical Group II LLC and 1 other group, practicing in Laurel, Maryland. Their prescriptions cost Medicare Part D more than their services did: $384,825 for 3,779 claims, against $92,874 paid for services in 2024. Stryker Corporation was the largest of 3 companies reporting payments in 2025, $115.05 in all, mostly food and beverage.
Overview
| NPI | 1265547590 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Aug 31, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D43237 | MD |
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 (DC); Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 347 |
|---|---|
| Services billed | 1,357 across 33 procedure codes |
| Paid by Medicare | $92,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,779 · 10,049 30-day fills |
|---|---|
| Patients | 412 |
| Total drug cost | $384,825 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Agape Physical Therapy and Sports Rehabilitation LPForest Hill, MD · 678 clinicians
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Towson, MD
Industry payments (Open Payments)
- 2025$115.05 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $68.90 | 1 |
| Progenics Pharmaceuticals, Inc. | $26.15 | 1 |
| Trice Medical, Inc. | $20.00 | 1 |
What the 2025 payments were for
- Food and Beverage$115.05 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 internal medicine physicians in Laurel · All internal medicine physicians in Maryland