Stephanie J. Mandelman, M D
NPI 1851315196ActiveIndividual· Obstetrics & Gynecology· Westlake Village, CA
Obstetrics & Gynecology (M D) in Westlake Village, California, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1995). In 2024 Medicare paid $73,613 for 477 patients, and Part D covered 491 of their prescriptions, 87% of them generic. Astellas Pharma US Inc was the largest of 5 companies reporting payments in 2025, $328.56 in all, mostly food and beverage.
Overview
| NPI | 1851315196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M D |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Aug 20, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A68965 | 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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 477 |
|---|---|
| Services billed | 926 across 16 procedure codes |
| Paid by Medicare | $73,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 491 · 1,080 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $44,945 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- UCLA West Valley Medical CenterWest Hills, CA
Industry payments (Open Payments)
- 2025$328.56 · 15 payments from 5 companies
- 2024$1,301 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $117.84 | 2 |
| Mayne Pharma Commercial LLC | $107.64 | 8 |
| Sage Therapeutics, LLC | $51.25 | 3 |
| Abbvie Inc. | $27.05 | 1 |
| Millicent US Inc | $24.78 | 1 |
What the 2025 payments were for
- Food and Beverage$243.57 · 14 payments
- Education$84.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 OB-GYNs in Westlake Village · All OB-GYNs in California