Mark Donald Hornstein, MD
NPI 1720038276ActiveIndividual· Obstetrics & Gynecology, Reproductive Endocrinology· Boston, MA
Obstetrics & Gynecology, Reproductive Endocrinology (MD) in Boston, Massachusetts, trained at University of Cincinnati College of Medicine (class of 1982). Part D covered 13 prescriptions written in 2024.
Overview
| NPI | 1720038276 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | Jun 11, 2024 |
| Certified by provider | Jun 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Reproductive Endocrinology Primary | 207VE0102X | 55051 | MA |
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 - Obstetrics/Gynecology (MA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 30 30-day fills |
|---|---|
| Total drug cost | $8,004 |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
Hospital affiliation
- Brigham and Women's HospitalBoston, MA
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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