Maziar Zamani, M.D.
NPI 1518056027ActiveIndividual· Internal Medicine· Laguna Hills, CA
Internal Medicine (M.D.) in Laguna Hills, California, trained at University of Vermont College of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $942,509 for 11,566 claims, against $218,863 paid for services in 2024.
Overview
| NPI | 1518056027 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | May 22, 2026 |
| Certified by provider | May 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A64135 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 495 |
|---|---|
| Services billed | 2,430 across 63 procedure codes |
| Paid by Medicare | $218,863 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,566 · 26,228 30-day fills |
|---|---|
| Patients | 707 |
| Total drug cost | $942,509 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Other facilities
- Care Plus Home HealthHome health agency · Laguna Hills, CA
- Green Meadows Home Health Care, IncHome health agency · Santa Ana, CA
- Hoag Home HealthHome health agency · Newport Beach, CA
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
- Lake Forest HospiceHospice · Lake Forest, CA
- Freedom Village Healthcare CenterNursing home · Lake Forest, 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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