Ali Omar Maamar-Tayeb, M.D.
NPI 1184986770ActiveIndividual· Psychiatry & Neurology, Neurology· Ventura, CA
Psychiatry & Neurology, Neurology (M.D.) in Ventura, California, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $3,783,510 for 985 claims, against $18,539 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $1,114 in all, mostly food and beverage.
Overview
| NPI | 1184986770 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2012 |
| Last updated in NPPES | Jul 14, 2023 |
| Certified by provider | Jul 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A140078 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 228 across 14 procedure codes |
| Paid by Medicare | $18,539 |
Part D prescriptions in 2024
| Prescriptions (claims) | 985 · 1,830 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $3,783,510 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Neurology |
Medical group
- County of VenturaVentura, CA · 344 clinicians
Hospital affiliation
- Ventura County Medical CenterVentura, CA
Industry payments (Open Payments)
- 2025$1,114 · 53 payments from 8 companies
- 2024$1,593 · 91 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $554.74 | 24 |
| Ucb, Inc. | $218.60 | 9 |
| Pfizer Inc. | $186.84 | 15 |
| Emd Serono, Inc. | $44.17 | 1 |
| Alexion Pharmaceuticals, Inc. | $40.04 | 1 |
What the 2025 payments were for
- Food and Beverage$1,114 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 neurologists in Ventura · All neurologists in California