ZAINAB MAHMOUD MD INC
NPI 1558840454
Clinic/Center - Primary Care in Sherman Oaks, CA
About Zainab Mahmoud Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZAINAB MAHMOUD MD INC (NPI 1558840454) is a healthcare organization registered as a primary care in Sherman Oaks, California and active in the NPI registry since August 2018. The organization lists Zainab Mahmoud, Family Physician/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Zainab Mahmoud Md 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 Zainab Mahmoud MD 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 Zainab Mahmoud MD Inc's NPI number?
The NPI number for Zainab Mahmoud MD Inc is 1558840454. It was assigned to this organization in the NPPES registry on August 10, 2018.
Where is Zainab Mahmoud MD Inc located?
Zainab Mahmoud MD Inc is located at 4910 Van Nuys Blvd Ste 102, Sherman Oaks, CA 91403. The listed phone number is (818) 789-6622.
What is Zainab Mahmoud MD Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Zainab Mahmoud MD Inc enrolled in Medicare?
Yes. Zainab Mahmoud MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Zainab Mahmoud MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Zainab Mahmoud MD 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 Zainab Mahmoud MD Inc was last updated on August 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Zainab Mahmoud Md Inc · NPI 1558840454
Primary Care organization in Sherman Oaks, California. Organization record, active in the CMS NPPES registry since August 10, 2018.
## Identity
- **NPI:** 1558840454 (Entity type: Organization)
- **Enumerated:** August 10, 2018
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Zainab Mahmoud, FAMILY PHYSICIAN/OWNER
## Practice location
- **Address:** 4910 VAN NUYS BLVD STE 102, Sherman Oaks, CA 91403-1752
- **Phone:** (818) 789-6622 · **Fax:** (818) 789-5833
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 10, 2018
- **Other identifiers:** Medicaid 1457547697 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1558840454) · Data from the CMS NPPES public registry.