Gagan Paul Singh, M.D.
Student in an Organized Health Care Education/Training Program (M.D.) with Usacs Integrated Acute Care Services of Maryland LLC, practicing in Washington, District of Columbia. 98 Medicare patients in 2024, $21,436 paid; nearly all of their 96 Part D prescriptions were generic (90%). Glaukos Corporation was the largest of 5 companies reporting payments in 2025, $263.97 in all, mostly food and beverage. Lists Adventist Healthcare White Oak Medical Center as a hospital affiliation.
Overview
| NPI | 1861076036 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2021 |
| Last updated in NPPES | Sep 11, 2024 |
| Certified by provider | Sep 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | — |
| Internal Medicine | 207R00000X | D0100564 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 204 across 8 procedure codes |
| Paid by Medicare | $21,436 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 174 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $3,270 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Usacs Integrated Acute Care Services of Maryland LLCRockville, MD · 179 clinicians
Hospital affiliation
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD
Industry payments (Open Payments)
- 2025$263.97 · 8 payments from 5 companies
- 2024$57.57 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $115.30 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $66.83 | 3 |
| Abbvie Inc. | $35.02 | 2 |
| Astrazeneca Pharmaceuticals LP | $28.16 | 1 |
| Merck Sharp & Dohme LLC | $18.66 | 1 |
What the 2025 payments were for
- Food and Beverage$263.97 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 2,302 Student in an Organized Health Care Education/Training Program providers in Washington · All Student in an Organized Health Care Education/Training Program providers in District of Columbia