Abdol Memar-Zia, MD
NPI 1639122112ActiveIndividual· Internal Medicine· Simi Valley, CA
Internal Medicine (MD) in Simi Valley, California, licensed in CA, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $1,085,317 for 10,970 claims, against $206,359 paid for services in 2024. Glaxosmithkline, LLC. reported $19.61 in payments in 2025, mostly food and beverage. Lists Adventist Health Simi Valley and 1 other hospital as hospital affiliations.
Overview
| NPI | 1639122112 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Dec 31, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A33418 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 587 |
|---|---|
| Services billed | 3,044 across 34 procedure codes |
| Paid by Medicare | $206,359 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,970 · 19,829 30-day fills |
|---|---|
| Patients | 574 |
| Total drug cost | $1,085,317 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Simi Valley, CA
- Cedar Care Home Health, IncHome health agency · Tarzana, CA
- Dedicated Home Health CareHome health agency · San Fernando, CA
- Diamond Home Health, IncHome health agency · Tarzana, CA
- Horizon Health Care Systems, IncHome health agency · Simi Valley, CA
- Simi Healthcare CenterNursing home · Simi Valley, CA
Industry payments (Open Payments)
- 2025$19.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $19.61 | 1 |
What the 2025 payments were for
- Food and Beverage$19.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Simi Valley
- 1912250358
- 1457624124
- 1942960745
- 1790930402
- 1154633527
- 1194063529
- 1841354073
- 1023063492
- 1568373777
- 1356520266
- 1871682096
- 1487033213