Mariann Alperin, M.D., M.S.
NPI 1033266879ActiveIndividual· Obstetrics & Gynecology, Urogynecology and Reconstructive Pelvic Surgery· Encinitas, CA
Obstetrics & Gynecology, Urogynecology and Reconstructive Pelvic Surgery (M.D., M.S.) in Encinitas, California, trained at Saint Louis University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $112,460 for 379 claims, against $57,878 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $217.10 in all, mostly food and beverage.
Overview
| NPI | 1033266879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Nov 21, 2025 |
| Certified by provider | Nov 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Urogynecology and Reconstructive Pelvic Surgery Primary | 207VF0040X | A102879 | CA |
| Obstetrics & Gynecology | 207V00000X | A102879 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 2,233 across 39 procedure codes |
| Paid by Medicare | $57,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 379 · 854 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $112,460 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$217.10 · 8 payments from 3 companies
- 2024$104.19 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $125.28 | 5 |
| Medtronic, Inc. | $68.80 | 2 |
| Boston Scientific Corporation | $23.02 | 1 |
What the 2025 payments were for
- Food and Beverage$217.10 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records