Mosumi Majumder, MD
NPI 1619216124ActiveIndividual· Internal Medicine· New Orleans, LA
Internal Medicine (MD) with Oak Mountain Group Services, LLC, practicing in New Orleans, Louisiana. In 2024 Medicare paid $62,119 for 279 patients, and Part D covered 424 of their prescriptions, 84% of them generic. Pfizer Inc. was the largest of 4 companies reporting payments in 2025, $191.32 in all, mostly food and beverage. Lists Grandview Medical Center as a hospital affiliation.
Overview
| NPI | 1619216124 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 4, 2013 |
| Last updated in NPPES | Nov 4, 2021 |
| Certified by provider | Nov 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 323962 | LA |
| Internal Medicine | 207R00000X | 50563 | KY |
| Internal Medicine | 207R00000X | 284848 | NY |
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 - Internal Medicine (AL); Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 279 |
|---|---|
| Services billed | 713 across 7 procedure codes |
| Paid by Medicare | $62,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 424 · 451 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $25,990 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Oak Mountain Group Services, LLCBirmingham, AL · 61 clinicians
Hospital affiliation
- Grandview Medical CenterBirmingham, AL
Industry payments (Open Payments)
- 2025$191.32 · 10 payments from 4 companies
- 2024$418.87 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $68.06 | 4 |
| Abbvie Inc. | $65.84 | 3 |
| Gilead Sciences, Inc. | $35.15 | 2 |
| Melinta Therapeutics, LLC | $22.27 | 1 |
What the 2025 payments were for
- Food and Beverage$191.32 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 460 internal medicine physicians in New Orleans · All internal medicine physicians in Louisiana