Deepshikha Nag Chowdhury, M.D
NPI 1255643078ActiveIndividual· Internal Medicine, Gastroenterology· Albuquerque, NM
Internal Medicine, Gastroenterology (M.D) with Granite State Gastrointestinal Consultants PLLC, practicing in Albuquerque, New Mexico. Their prescriptions cost Medicare Part D more than their services did: $116,686 for 266 claims, against $39,177 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $571.47 in all, mostly food and beverage. Lists Catholic Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255643078 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 9, 2010 |
| Last updated in NPPES | Jun 23, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD2016-0067 | NM |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine | 207R00000X | MD2016-0067 | NM |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 350 across 28 procedure codes |
| Paid by Medicare | $39,177 |
Part D prescriptions in 2024
| Prescriptions (claims) | 266 · 505 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $116,686 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Granite State Gastrointestinal Consultants PLLCLondonderry, NH · 6 clinicians
Hospital affiliations
- Catholic Medical CenterManchester, NH
- Elliot HospitalManchester, NH
- Parkland Medical CenterDerry, NH
Industry payments (Open Payments)
- 2025$571.47 · 24 payments from 8 companies
- 2024$963.72 · 31 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $192.52 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $108.22 | 4 |
| Gilead Sciences, Inc. | $89.31 | 4 |
| Janssen Biotech, Inc. | $64.92 | 2 |
| Novo Nordisk Inc | $37.39 | 2 |
What the 2025 payments were for
- Food and Beverage$571.47 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 gastroenterologists in Albuquerque · All gastroenterologists in New Mexico