Mahmood Ahmed Shamsi, M.D.
NPI 1437202561ActiveIndividual· Internal Medicine· Middlesex, NJ
Internal Medicine (M.D.) in Middlesex, New Jersey, licensed in NJ, with an NPI issued in January 2007. Their prescriptions cost Medicare Part D more than their services did: $55,986 for 842 claims, against $18,142 paid for services in 2024.
Overview
| NPI | 1437202561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 20, 2007 |
| Last updated in NPPES | Dec 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA5799400 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 322 across 15 procedure codes |
| Paid by Medicare | $18,142 |
Part D prescriptions in 2024
| Prescriptions (claims) | 842 · 1,969 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $55,986 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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