Vanessa Isiaka, M.D.
NPI 1316336969ActiveIndividual· Obstetrics & Gynecology· Pasadena, CA
Obstetrics & Gynecology (M.D.) in Pasadena, California, trained at University of California, Geffen School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $21,819 for 116 claims, against $10,453 paid for services in 2024. Sage Therapeutics, LLC was the largest of 12 companies reporting payments in 2025, $523.26 in all, mostly food and beverage.
Overview
| NPI | 1316336969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 21, 2015 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A133905 | 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 | 71 |
|---|---|
| Services billed | 174 across 15 procedure codes |
| Paid by Medicare | $10,453 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 252 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $21,819 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$523.26 · 23 payments from 12 companies
- 2024$398.41 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $90.51 | 3 |
| Astellas Pharma US Inc | $85.83 | 3 |
| Mayne Pharma Commercial LLC | $79.38 | 5 |
| Exeltis, USA Inc. | $67.43 | 3 |
| Evofem Biosciences, Inc. | $33.19 | 2 |
What the 2025 payments were for
- Food and Beverage$523.26 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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