Mahsa Hosseini, MD
NPI 1255533063ActiveIndividual· Obstetrics & Gynecology· Brooklyn, NY
Obstetrics & Gynecology (MD) with Mmc OB/GYN Faculty Practice Plan, practicing in Brooklyn, New York. Their prescriptions cost Medicare Part D more than their services did: $16,264 for 140 claims, against $5,225 paid for services in 2024. Astellas Pharma US Inc was the largest of 7 companies reporting payments in 2025, $402.57 in all, mostly food and beverage. Lists Maimonides Medical Center as a hospital affiliation.
Overview
| NPI | 1255533063 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2007 |
| Last updated in NPPES | Feb 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 244463 | NY |
| Obstetrics & Gynecology | 207V00000X | A92638 | CA |
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 - Obstetrics/Gynecology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 94 across 11 procedure codes |
| Paid by Medicare | $5,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 140 · 253 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $16,264 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Mmc OB/GYN Faculty Practice PlanBrooklyn, NY · 32 clinicians
Hospital affiliation
- Maimonides Medical CenterBrooklyn, NY
Industry payments (Open Payments)
- 2025$402.57 · 16 payments from 7 companies
- 2024$242.41 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $112.42 | 4 |
| Coopersurgical, Inc. | $86.94 | 3 |
| Biogen, Inc. | $73.88 | 3 |
| Shield Therapeutics Inc | $59.07 | 3 |
| Organon LLC | $26.60 | 1 |
What the 2025 payments were for
- Food and Beverage$402.57 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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