Reezwana Chowdhury, M.D.
NPI 1316185341ActiveIndividual· Internal Medicine, Gastroenterology· Bethesda, MD
Internal Medicine, Gastroenterology (M.D.) in Bethesda, Maryland, trained at New York University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $349,873 for 136 claims, against $115,318 paid for services in 2024. Celltrion USA Inc. was the largest of 16 companies reporting payments in 2025, $27,912 in all, mostly honoraria.
Overview
| NPI | 1316185341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 29, 2009 |
| Last updated in NPPES | Oct 25, 2024 |
| Certified by provider | Oct 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D78438 | MD |
| Internal Medicine | 207R00000X | BP10024965 | TX |
| Internal Medicine, Gastroenterology | 207RG0100X | MD038206 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (DC); Practitioner - Gastroenterology (MD); Practitioner - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 5,981 across 41 procedure codes |
| Paid by Medicare | $115,318 |
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 253 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $349,873 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
- Johns Hopkins UniversityBaltimore, MD · 713 clinicians
Hospital affiliations
- Johns Hopkins Bayview Medical CenterBaltimore, MD
- Johns Hopkins Hospital, theBaltimore, MD
Industry payments (Open Payments)
- 2025$27,912 · 155 payments from 16 companies
- 2024$5,299 · 127 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion USA Inc. | $26,474 | 86 |
| Takeda Pharmaceuticals U.S.A., Inc. | $262.90 | 12 |
| Janssen Biotech, Inc. | $252.60 | 11 |
| Abbvie Inc. | $221.39 | 18 |
| Madrigal Pharmaceuticals | $153.60 | 2 |
What the 2025 payments were for
- Honoraria$18,764 · 3 payments
- Consulting Fee$5,298 · 2 payments
- Food and Beverage$2,388 · 146 payments
- Travel and Lodging$1,463 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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