Leena Shankar Nathan, M.D.
NPI 1417170523ActiveIndividual· Obstetrics & Gynecology· Westlake Village, CA
Obstetrics & Gynecology (M.D.) in Westlake Village, California, trained at Stanford University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $41,486 for 343 claims, against $19,900 paid for services in 2024.
Overview
| NPI | 1417170523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 10, 2007 |
| Last updated in NPPES | Mar 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A94923 | 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 | 168 |
|---|---|
| Services billed | 258 across 15 procedure codes |
| Paid by Medicare | $19,900 |
Part D prescriptions in 2024
| Prescriptions (claims) | 343 · 750 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $41,486 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Regents of the University of California Los AngelesSanta Monica, CA · 84 clinicians
Hospital affiliations
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- UCLA West Valley Medical CenterWest Hills, CA
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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