Neil L. Markus, DO
NPI 1124106950ActiveIndividual· Emergency Medicine· Vallejo, CA
Emergency Medicine (DO) in Vallejo, California, trained at College of Osteo Med of the Pacific at Pomona (class of 1998). 52 Medicare patients in 2024, $6,472 paid; nearly all of their 243 Part D prescriptions were generic (93%).
Overview
| NPI | 1124106950 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A8151 | 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 | 52 |
|---|---|
| Services billed | 57 across 5 procedure codes |
| Paid by Medicare | $6,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 243 · 261 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $6,667 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | College of Osteo Med of the Pacific at Pomona |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Emergency Medicine |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliations
- Kaiser Foundation Hospital - VacavilleVacaville, CA
- Kaiser Foundation Hospital and Rehab CenterVallejo, 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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All 58 emergency medicine physicians in Vallejo · All emergency medicine physicians in California