Fatima Tabassum Khan, M.D.
NPI 1174752760ActiveIndividual· Internal Medicine· Gaithersburg, MD
Internal Medicine (M.D.) with Usacs Integrated Acute Care Services of Maryland LLC, practicing in Gaithersburg, Maryland. 387 Medicare patients in 2024, $112,079 paid; nearly all of their 204 Part D prescriptions were generic (91%). Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $65.40 in all, mostly food and beverage. Lists Adventist Healthcare Shady Grove Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1174752760 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2009 |
| Last updated in NPPES | Sep 24, 2026 |
| Certified by provider | Sep 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D74622 | 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 | 387 |
|---|---|
| Services billed | 1,314 across 11 procedure codes |
| Paid by Medicare | $112,079 |
Part D prescriptions in 2024
| Prescriptions (claims) | 204 · 219 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $5,802 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Usacs Integrated Acute Care Services of Maryland LLCRockville, MD · 179 clinicians
Hospital affiliations
- Adventist Healthcare Shady Grove Medical CenterRockville, MD
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD
Industry payments (Open Payments)
- 2025$65.40 · 3 payments from 3 companies
- 2024$26.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $23.81 | 1 |
| Abbvie Inc. | $21.66 | 1 |
| Gilead Sciences, Inc. | $19.93 | 1 |
What the 2025 payments were for
- Food and Beverage$65.40 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 internal medicine physicians in Gaithersburg · All internal medicine physicians in Maryland