Mark Farber, MD, PHD
NPI 1033552187ActiveIndividual· Internal Medicine· Sherman Oaks, CA
Internal Medicine (MD, PHD) in Sherman Oaks, California, licensed in CA, with an NPI issued in April 2013. Their prescriptions cost Medicare Part D more than their services did: $1,253,525 for 9,685 claims, against $241,510 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,094 in all, mostly food and beverage. Lists Cedars-Sinai Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033552187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Apr 8, 2013 |
| Last updated in NPPES | Aug 4, 2025 |
| Certified by provider | Aug 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A141401 | 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 | 371 |
|---|---|
| Services billed | 4,277 across 69 procedure codes |
| Paid by Medicare | $241,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,685 · 14,514 30-day fills |
|---|---|
| Patients | 355 |
| Total drug cost | $1,253,525 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Providence Saint Joseph Medical CtrBurbank, CA
Other facilities
- A & A Home Health Care ServicesHome health agency · Tarzana, CA
- Easy Choice Home Health Care Inc.Home health agency · Canoga Park, CA
- Xl Care, IncHome health agency · Woodland Hills, CA
Industry payments (Open Payments)
- 2025$1,094 · 49 payments from 12 companies
- 2024$948.02 · 41 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $284.21 | 13 |
| Bayer Healthcare Pharmaceuticals Inc. | $226.88 | 10 |
| Astrazeneca Pharmaceuticals LP | $180.56 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $75.08 | 3 |
| Pfizer Inc. | $71.26 | 3 |
What the 2025 payments were for
- Food and Beverage$1,094 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Sherman Oaks
- 1114258944
- 1154584316
- 1184948119
- 1225488851
- 1366477333
- 1427006824
- 1497807853
- 1518992585
- 1700945417
- 1790832111
- 1972023778
- 1992886618
All 45 internal medicine physicians in Sherman Oaks · All internal medicine physicians in California