Amzad Khan, M.D.
NPI 1790945996ActiveIndividual· Internal Medicine, Gastroenterology· New London, CT
Internal Medicine, Gastroenterology (M.D.) in New London, Connecticut, trained at State University of New York Downstate Medical Center (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $949,564 for 1,128 claims, against $97,828 paid for services in 2024. Gilead Sciences, Inc. was the largest of 19 companies reporting payments in 2025, $2,450 in all, mostly food and beverage.
Overview
| NPI | 1790945996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2008 |
| Last updated in NPPES | Dec 17, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 049522 | CT |
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 - Gastroenterology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 355 |
|---|---|
| Services billed | 1,341 across 39 procedure codes |
| Paid by Medicare | $97,828 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,128 · 2,096 30-day fills |
|---|---|
| Patients | 353 |
| Total drug cost | $949,564 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Lawrence & Memorial HospitalNew London, CT
- Westerly HospitalWesterly, RI
Industry payments (Open Payments)
- 2025$2,450 · 109 payments from 19 companies
- 2024$2,165 · 103 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $450.78 | 22 |
| Abbvie Inc. | $428.70 | 23 |
| Phathom Pharmaceuticals, Inc. | $356.98 | 17 |
| Ardelyx, Inc. | $230.71 | 9 |
| Takeda Pharmaceuticals U.S.A., Inc. | $151.06 | 5 |
What the 2025 payments were for
- Food and Beverage$2,450 · 109 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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