Nilima H. Mamtora, MD
NPI 1629019286ActiveIndividual· Obstetrics & Gynecology· Anaheim, CA
Obstetrics & Gynecology (MD) with Obhg California PC, practicing in Anaheim, California. Their prescriptions cost Medicare Part D more than their services did: $45,911 for 461 claims, against $12,152 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 5 companies reporting payments in 2025, $181.32 in all, mostly food and beverage. Lists Ahmc Anaheim Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1629019286 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Apr 28, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 00A505820 | 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 | 81 |
|---|---|
| Services billed | 204 across 15 procedure codes |
| Paid by Medicare | $12,152 |
Part D prescriptions in 2024
| Prescriptions (claims) | 461 · 669 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $45,911 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Obhg California PCPalmdale, CA · 94 clinicians
Hospital affiliation
- Ahmc Anaheim Regional Medical CenterAnaheim, CA
Industry payments (Open Payments)
- 2025$181.32 · 7 payments from 5 companies
- 2024$108.30 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $70.08 | 2 |
| Exeltis, USA Inc. | $49.08 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $25.53 | 1 |
| Millicent US Inc | $19.38 | 1 |
| Sumitomo Pharma America, Inc. | $17.25 | 1 |
What the 2025 payments were for
- Food and Beverage$181.32 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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