Hassan Adrian Hassan, MD
NPI 1154313377ActiveIndividual· Internal Medicine, Gastroenterology· Hampton, VA
Internal Medicine, Gastroenterology (MD) with Hampton Roads Gastroenterology PC, practicing in Hampton, Virginia. Their prescriptions cost Medicare Part D more than their services did: $230,325 for 818 claims, against $143,224 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $2,122 in all, mostly food and beverage. Lists Riverside Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1154313377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 16, 2005 |
| Last updated in NPPES | Aug 26, 2026 |
| Certified by provider | Aug 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0101232664 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 335 |
|---|---|
| Services billed | 531 across 14 procedure codes |
| Paid by Medicare | $143,224 |
Part D prescriptions in 2024
| Prescriptions (claims) | 818 · 1,381 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $230,325 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Hampton Roads Gastroenterology PCHampton, VA · 10 clinicians
Hospital affiliations
- Riverside Regional Medical CenterNewport News, VA
- Sentara Careplex HospitalHampton, VA
- Sentara Obici HospitalSuffolk, VA
Industry payments (Open Payments)
- 2025$2,122 · 94 payments from 13 companies
- 2024$2,348 · 118 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $503.20 | 23 |
| Takeda Pharmaceuticals U.S.A., Inc. | $451.53 | 19 |
| Janssen Biotech, Inc. | $225.16 | 12 |
| Ardelyx, Inc. | $193.37 | 9 |
| Celltrion USA Inc. | $181.85 | 7 |
What the 2025 payments were for
- Food and Beverage$2,122 · 94 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Hampton
- 1114008299
- 1871684563
- 1265453823
- 1275528044
- 1427441930
- 1235121369
- 1053303180
- 1033320403
- 1174532733
All Internal Medicine, Gastroenterology providers in Virginia →