Joseph Mammoun Qamar, M.D.
NPI 1275503492ActiveIndividual· Internal Medicine· Arlington, TX
Internal Medicine (M.D.) with Questcare Hospitalists PLLC and 1 other group, practicing in Arlington, Texas. In 2024 Medicare paid $92,316 for 249 patients, and Part D covered 492 of their prescriptions, 89% of them generic. Pfizer Inc. reported $54.45 in payments in 2025, mostly food and beverage. Lists Medical City Arlington and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1275503492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 23, 2006 |
| Last updated in NPPES | Sep 25, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M2622 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 988 across 11 procedure codes |
| Paid by Medicare | $92,316 |
Part D prescriptions in 2024
| Prescriptions (claims) | 492 · 532 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $21,097 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Questcare Hospitalists PLLCNorth Richland Hills, TX · 264 clinicians
- Lonestar Hospital Medicine Associates PAMansfield, TX · 138 clinicians
Hospital affiliations
- Medical City ArlingtonArlington, TX
- Medical City WeatherfordWeatherford, TX
- Methodist Charlton Medical CenterDallas, TX
Industry payments (Open Payments)
- 2025$54.45 · 3 payments from 1 company
- 2024$116.18 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $54.45 | 3 |
What the 2025 payments were for
- Food and Beverage$54.45 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 148 internal medicine physicians in Arlington · All internal medicine physicians in Texas