Robert J. Warwar, M. D.
NPI 1518909548ActiveIndividual· Specialist· Ventura, CA
Specialist (M. D.) in Ventura, California, trained at Tulane University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $974,531 for 10,230 claims, against $390,443 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $372.64 in all, mostly food and beverage.
Overview
| NPI | 1518909548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A050352 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 636 |
|---|---|
| Services billed | 5,211 across 60 procedure codes |
| Paid by Medicare | $390,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,230 · 21,848 30-day fills |
|---|---|
| Patients | 612 |
| Total drug cost | $974,531 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Family Practice |
Medical group
- Warwar Medical Group IncVentura, CA · 2 clinicians
Hospital affiliations
- Community Memorial Hospital - OjaiOjai, CA
- Community Memorial Hospital - VenturaVentura, CA
Other facilities
- Assisted Home CareHome health agency · Ventura, CA
- Caremax Home HealthHome health agency · Simi Valley, CA
- Livingston Memorial Visiting Nurse AssociationHome health agency · Ventura, CA
- Los Robles HealthcareHome health agency · Thousand Oaks, CA
- Mission Home Health of Ventura, LLCHome health agency · Oxnard, CA
- Glenwood Care CenterNursing home · Oxnard, CA
Industry payments (Open Payments)
- 2025$372.64 · 5 payments from 5 companies
- 2024$22.18 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $116.32 | 1 |
| Glaxosmithkline, LLC. | $105.66 | 1 |
| Merck Sharp & Dohme LLC | $100.30 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $29.44 | 1 |
| Lilly USA, LLC | $20.92 | 1 |
What the 2025 payments were for
- Food and Beverage$372.64 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 Specialist providers in Ventura · All Specialist providers in California