Matthew K. Mukherjee, M.D.
NPI 1548439458ActiveIndividual· Internal Medicine, Gastroenterology· Pasadena, CA
Internal Medicine, Gastroenterology (M.D.) in Pasadena, California, trained at Wayne State University School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $627,176 for 657 claims, against $81,670 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $2,023 in all, mostly food and beverage.
Overview
| NPI | 1548439458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 25, 2008 |
| Last updated in NPPES | May 9, 2023 |
| Certified by provider | May 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A102444 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 320 |
|---|---|
| Services billed | 798 across 45 procedure codes |
| Paid by Medicare | $81,670 |
Part D prescriptions in 2024
| Prescriptions (claims) | 657 · 1,173 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $627,176 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$2,023 · 68 payments from 13 companies
- 2024$1,139 · 49 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $548.26 | 23 |
| Janssen Biotech, Inc. | $441.72 | 18 |
| Ardelyx, Inc. | $270.72 | 5 |
| Madrigal Pharmaceuticals | $251.78 | 5 |
| Regeneron Healthcare Solutions, Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$2,023 · 68 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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