ASHRAF AHMED ABOU-ZAMZAM MD
NPI 1457442931
Pediatrics - Pediatric Critical Care Medicine in Los Angeles, CA
About Ashraf Ahmed Abou-zamzam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHRAF AHMED ABOU-ZAMZAM MD (NPI 1457442931) is an individual pediatric critical care medicine provider in Los Angeles, California, licensed in California (A65819) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Duarte, and is a graduate of Saint Louis University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ashraf Ahmed Abou-zamzam Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ashraf Abou-zamzam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Ashraf Abou-zamzam's NPI number?
The NPI number for Ashraf Abou-zamzam is 1457442931. It was assigned to this individual provider in the NPPES registry on September 27, 2006.
Where is Ashraf Abou-zamzam located?
Ashraf Abou-zamzam practices at 4650 W Sunset Blvd Ms#12, Los Angeles, CA 90027. The listed phone number is (323) 361-2557.
What is Ashraf Abou-zamzam's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Ashraf Abou-zamzam enrolled in Medicare?
Yes. Ashraf Abou-zamzam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ashraf Abou-zamzam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashraf Abou-zamzam reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). The 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 Ashraf Abou-zamzam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ashraf Abou-zamzam was last updated on August 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ashraf Ahmed Abou-Zamzam, MD · NPI 1457442931
Pediatric Critical Care Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 27, 2006.
## Identity
- **NPI:** 1457442931 (Entity type: Individual)
- **Enumerated:** September 27, 2006
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** A65819 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, MS#12, Los Angeles, CA 90027-6062
- **Phone:** (323) 361-2557 · **Fax:** (323) 361-0728
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** August 12, 2022
- **Other identifiers:** Medicaid 00A658190 (CA); Other 00A658190 851 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1457442931) · Data from the CMS NPPES public registry.