Warren Jason Wisnoff, DO
NPI 1619956927ActiveIndividual· Internal Medicine· Bakersfield, CA
Internal Medicine (DO) with Kern County Hospital Authority and 2 other groups, practicing in Bakersfield, California. In 2024 Medicare paid $219,776 for 620 patients, and Part D covered 798 of their prescriptions, 83% of them generic. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $143.44 in all, mostly food and beverage. Lists Adventist Health Bakersfield and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1619956927 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jan 13, 2006 |
| Last updated in NPPES | Sep 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A9093 | CA |
| Emergency Medicine | 207P00000X | 20A9093 | CA |
| Internal Medicine, Hospice and Palliative Medicine | 207RH0002X | 20A9093 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 620 |
|---|---|
| Services billed | 3,008 across 44 procedure codes |
| Paid by Medicare | $219,776 |
Part D prescriptions in 2024
| Prescriptions (claims) | 798 · 1,037 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $75,271 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Kern County Hospital AuthorityBakersfield, CA · 266 clinicians
- Todd Farrer, M.D., Inc.Bakersfield, CA · 4 clinicians
- Apex Medical Clinics PCBakersfield, CA · 2 clinicians
Hospital affiliations
- Adventist Health BakersfieldBakersfield, CA
- Bakersfield Memorial HospitalBakersfield, CA
- Kern Medical CenterBakersfield, CA
- Mercy HospitalBakersfield, CA
Other facilities
- Around the Clock Home CareHome health agency · Bakersfield, CA
- Purpose Driven Home Health, LLCHome health agency · Bakersfield, CA
- Solace Home Health CareHome health agency · Bakersfield, CA
- Hoffmann HospiceHospice · Bakersfield, CA
Industry payments (Open Payments)
- 2025$143.44 · 7 payments from 4 companies
- 2024$315.69 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $53.25 | 3 |
| Teva Pharmaceuticals USA, Inc. | $46.26 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $22.05 | 1 |
| Abbvie Inc. | $21.88 | 1 |
What the 2025 payments were for
- Food and Beverage$143.44 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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