Cean Mahmud, M.D.
NPI 1285165134ActiveIndividual· Family Medicine· Riverhead, NY
Family Medicine (M.D.) with North Shore-Lij Medical PC and 2 other groups, practicing in Riverhead, New York. Their prescriptions cost Medicare Part D more than their services did: $409,907 for 3,674 claims, against $150,548 paid for services in 2024. Lists Peconic Bay Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1285165134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 22, 2017 |
| Last updated in NPPES | Apr 18, 2026 |
| Certified by provider | Apr 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 305318 | NY |
| Pediatrics | 208000000X | 305318 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Family Practice (NY); Practitioner - Hospitalist (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 382 |
|---|---|
| Services billed | 1,974 across 61 procedure codes |
| Paid by Medicare | $150,548 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,674 · 7,731 30-day fills |
|---|---|
| Patients | 507 |
| Total drug cost | $409,907 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Hospitalist |
| Telehealth | Offers telehealth |
Medical groups
- North Shore-Lij Medical PCStaten Island, NY · 6,440 clinicians
- New York UniversityNew York, NY · 6,134 clinicians
- Peconic Bay Primary Medical CareRiverhead, NY · 71 clinicians
Hospital affiliations
- Peconic Bay Medical CenterRiverhead, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Extended Home CareHome health agency · Brooklyn, NY
- Peconic Bay Homehealth ServicesHome health agency · Riverhead, NY
- Tender Loving Care, An Amedisys CompanyHome health agency · Medford, NY
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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All 31 family medicine physicians in Riverhead · All family medicine physicians in New York