DR. MINA MASRI D.O.
NPI 1750390993
Emergency Medicine in Los Alamitos, CA
About Dr. Mina Masri D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MINA MASRI D.O. (NPI 1750390993) is an individual emergency medicine provider in Los Alamitos, California, licensed in California (20A8895) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2003).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Mina Masri D.o. 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 Mina Masri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1386750578 (California)
- 1,204 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 219 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 3
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 90720 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 ALAMITOS, CA 90720
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 Mina Masri's NPI number?
The NPI number for Mina Masri is 1750390993. It was assigned to this individual provider in the NPPES registry on August 5, 2006. The provider is also known as Dr. Mina Masri D.O..
Where is Mina Masri located?
Mina Masri practices at 3751 Katella Ave Dept Of Emergency Medicine, Los Alamitos, CA 90720. The listed phone number is (562) 598-2411.
What is Mina Masri's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mina Masri enrolled in Medicare?
Yes. Mina Masri 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 Mina Masri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mina Masri reassigns Medicare benefits to 2 organizations: Cep America-California (Los Alamitos, CA) and Regents Of The University Of (Orange, 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 Mina Masri'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 Mina Masri was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Mina Masri, D.O. · NPI 1750390993
Emergency Medicine physician in Los Alamitos, California. Individual provider, active in the CMS NPPES registry since August 5, 2006.
## Identity
- **NPI:** 1750390993 (Entity type: Individual)
- **Enumerated:** August 5, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 20A8895 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3751 KATELLA AVE, DEPT OF EMERGENCY MEDICINE, Los Alamitos, CA 90720-3113
- **Phone:** (562) 598-2411
## 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): Cep America-California (NPI 1497430870, Los Alamitos, CA); Regents Of The University Of (NPI 1154379394, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2003
## Record status
- **NPPES last updated:** March 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1750390993) · Data from the CMS NPPES public registry.