MAZIN ELHADARY MD
NPI 1538554548
Family Medicine in Pasadena, CA
About Mazin Elhadary Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAZIN ELHADARY MD (NPI 1538554548) is an individual family medicine provider in Pasadena, California, licensed in California (A151384) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
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
Mazin Elhadary 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 Reassignments
4Medicare enrollment records show Mazin Elhadary reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Montebello, CA 90640
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
Los Angeles, CA 90045
- Reassigned Medicare billing, California enrollment
- 304 clinicians in this Medicare group
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 62 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91101
PASADENA, CA 91101
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 Mazin Elhadary's NPI number?
The NPI number for Mazin Elhadary is 1538554548. It was assigned to this individual provider in the NPPES registry on April 6, 2015.
Where is Mazin Elhadary located?
Mazin Elhadary practices at 260 S Los Robles Ave Ste 102, Pasadena, CA 91101. The listed phone number is (818) 395-6257.
What is Mazin Elhadary's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mazin Elhadary enrolled in Medicare?
Yes. Mazin Elhadary 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 Mazin Elhadary's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mazin Elhadary reassigns Medicare benefits to 4 organizations: Pih Health Physicians (Montebello, CA), American Current Care Of California, A Medical Corporation (Los Angeles, CA), Pinnacle Medical Group, Inc (Fontana, CA) and Drh Medical Group (Oakland, CA). 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 Mazin Elhadary'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 Mazin Elhadary was last updated on August 13, 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.
# Mazin Elhadary, MD · NPI 1538554548
Family Medicine physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since April 6, 2015.
## Identity
- **NPI:** 1538554548 (Entity type: Individual)
- **Enumerated:** April 6, 2015
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A151384 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 260 S LOS ROBLES AVE STE 102, Pasadena, CA 91101-2869
- **Phone:** (818) 395-6257
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Pih Health Physicians (NPI 1316341530, Montebello, CA); American Current Care Of California, A Medical Corporation (NPI 1750573622, Los Angeles, CA); Pinnacle Medical Group, Inc (NPI 1376876912, Fontana, CA); Drh Medical Group (NPI 1790560225, Oakland, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** August 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1538554548) · Data from the CMS NPPES public registry.