DR. MALEK MAZZAWI M.D.
NPI 1124478391
Pediatrics - Pediatric Emergency Medicine in Los Angeles, CA
About Dr. Malek Mazzawi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MALEK MAZZAWI M.D. (NPI 1124478391) is an individual pediatric emergency medicine provider in Los Angeles, California, licensed in California (A187572) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of University Of Massachusetts Medical School (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Dr. Malek Mazzawi M.d. 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 Reassignments
2Medicare enrollment records show Malek Mazzawi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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 Malek Mazzawi's NPI number?
The NPI number for Malek Mazzawi is 1124478391. It was assigned to this individual provider in the NPPES registry on June 17, 2016.
Where is Malek Mazzawi located?
Malek Mazzawi practices at 4650 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (508) 577-6788.
What is Malek Mazzawi's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Malek Mazzawi enrolled in Medicare?
Yes. Malek Mazzawi 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 organizations bill Medicare for Malek Mazzawi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Malek Mazzawi reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Children's Hospital (Washington, DC). Each 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 Malek Mazzawi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Malek Mazzawi accept?
Health plans from Taro Health list Malek Mazzawi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Malek Mazzawi was last updated on June 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Malek Mazzawi, M.D. · NPI 1124478391
Pediatric Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 17, 2016.
## Identity
- **NPI:** 1124478391 (Entity type: Individual)
- **Enumerated:** June 17, 2016
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** A187572 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4650 W SUNSET BLVD, Los Angeles, CA 90027-6062
- **Phone:** (508) 577-6788
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Children's Hospital (NPI 1780800128, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 2016
## Record status
- **NPPES last updated:** June 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1124478391) · Data from the CMS NPPES public registry.