David Zarian, MD
NPI 1629179288ActiveIndividual· Internal Medicine· Encino, CA
Internal Medicine (MD) in Encino, California, licensed in CA, with an NPI issued in September 2006. Their prescriptions cost Medicare Part D more than their services did: $2,804,251 for 18,422 claims, against $701,759 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 27 companies reporting payments in 2025, $3,102 in all, mostly food and beverage. Lists Cedars-Sinai Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1629179288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 26, 2006 |
| Last updated in NPPES | Dec 17, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A43580 | 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 | 517 |
|---|---|
| Services billed | 10,226 across 66 procedure codes |
| Paid by Medicare | $701,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,422 · 24,825 30-day fills |
|---|---|
| Patients | 502 |
| Total drug cost | $2,804,251 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Northridge Hospital Medical CenterNorthridge, CA
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA
- UCLA West Valley Medical CenterWest Hills, CA
Other facilities
- Care 4u Home Health Services, Inc.Home health agency · Westlake Village, CA
- Eden Home Health, Inc.Home health agency · Woodland Hills, CA
- Livlife Home Health, IncHome health agency · Woodland Hills, CA
- Loyal Home Health ServicesHome health agency · Encino, CA
- White Orchid Home HealthHome health agency · Encino, CA
- Tarzana Health and Rehabilitation CenterNursing home · Tarzana, CA
Industry payments (Open Payments)
- 2025$3,102 · 140 payments from 27 companies
- 2024$2,220 · 88 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $490.54 | 20 |
| Abbvie Inc. | $435.30 | 20 |
| Amgen Inc. | $243.60 | 13 |
| Glaxosmithkline, LLC. | $222.12 | 11 |
| Ardelyx, Inc. | $219.51 | 12 |
What the 2025 payments were for
- Food and Beverage$3,102 · 140 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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