MARK FARBER, M.D., INC.
NPI 1992253504
Clinic/Center in Sherman Oaks, CA
About Mark Farber, M.d., Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK FARBER, M.D., INC. (NPI 1992253504) is a healthcare organization registered as a clinic/center in Sherman Oaks, California and active in the NPI registry since September 2016. The organization lists Mark Farber, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Farber, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mark Farber, M.D., Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Farber, M.D., Inc.'s NPI number?
The NPI number for Mark Farber, M.D., Inc. is 1992253504. It was assigned to this organization in the NPPES registry on September 13, 2016.
Where is Mark Farber, M.D., Inc. located?
Mark Farber, M.D., Inc. is located at 4849 Van Nuys Blvd Ste 202, Sherman Oaks, CA 91403. The listed phone number is (818) 784-5300.
What is Mark Farber, M.D., Inc.'s specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Mark Farber, M.D., Inc. enrolled in Medicare?
Yes. Mark Farber, M.D., Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mark Farber, M.D., Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Mark Farber, M.D., Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mark Farber, M.D., Inc. was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark Farber, M.d., Inc. · NPI 1992253504
Clinic/Center organization in Sherman Oaks, California. Organization record, active in the CMS NPPES registry since September 13, 2016.
## Identity
- **NPI:** 1992253504 (Entity type: Organization)
- **Enumerated:** September 13, 2016
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Mark Farber, PRESIDENT
## Practice location
- **Address:** 4849 VAN NUYS BLVD STE 202, Sherman Oaks, CA 91403-2110
- **Phone:** (818) 784-5300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992253504) · Data from the CMS NPPES public registry.