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DR. REZA FAZL ALIZADEH MD
NPI 1336643550
General Practice in Orange, CA

Active since March 21, 2018PECOS Enrolled
333 CITY BLVD W STE 1600, ORANGE, CA 92868(714) 456-5532 Get Directions Write a Review

NPPES record last updated: December 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 18, 2025, Jul 20, 2023, Mar 21, 2018 (3 updates tracked since 2018).

About Dr. Reza Fazl Alizadeh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. REZA FAZL ALIZADEH MD (NPI 1336643550) is an individual general practice provider in Orange, California, licensed in California (A183634) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336643550
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. REZA FAZL ALIZADEHCredential: MD
Location Address333 CITY BLVD W STE 1600Orange, CA 92868-5903
Mailing Address333 City Blvd W Ste 1600Orange, CA 92868-5903 · (714) 456-5532
Phone(714) 456-5532
Sole ProprietorNo
Enumeration DateMarch 21, 2018
Last NPPES UpdateDecember 18, 20253 updates tracked since enumeration
NPPES CertifiedDecember 18, 2025
✔ NPI 1336643550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · A183634
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedSurgeryTaxonomy 208600000X · License A183634 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
333 CITY BLVD W STE 1600, Orange, CA 92868
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Reza Fazl Alizadeh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Reza Fazl Alizadeh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

American Current Care Of California, A Medical Corporation
9.5 mi
Urgent Care
40 CENTERPOINTE DR
La Palma, CA 90623
  • Reassigned Medicare billing, California enrollment
  • 304 clinicians in this Medicare group
NPI 1932534609 (714) 522-8020

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.

ZACHARY NATHAN LU
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 456-6262
SHAINA SEDIGHIM MD
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 509-2377
DR. THANH-LAN BUI MD
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 509-2377
FARIBA JAFARI
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 456-5532
ALICE MARTINO
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 509-2377
JEFFREY WALTER SANTOS MD
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 456-5532
LISA ANNE SINGER MSN, AGACNP-BC
Nurse Practitioner
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 456-5890
FURKAN TORLAK
Student in an Organized Health Care Education/Training Program
333 CITY BLVD W STE 1600
ORANGE, CA 92868
Orange County (714) 509-2377

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 Reza Fazl Alizadeh's NPI number?

The NPI number for Reza Fazl Alizadeh is 1336643550. It was assigned to this individual provider in the NPPES registry on March 21, 2018.

Where is Reza Fazl Alizadeh located?

Reza Fazl Alizadeh practices at 333 City Blvd W Ste 1600, Orange, CA 92868. The listed phone number is (714) 456-5532.

What is Reza Fazl Alizadeh's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Reza Fazl Alizadeh enrolled in Medicare?

Yes. Reza Fazl Alizadeh is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Reza Fazl Alizadeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Reza Fazl Alizadeh reassigns Medicare benefits to American Current Care Of California, A Medical Corporation (La Palma, 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 Reza Fazl Alizadeh'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 Reza Fazl Alizadeh was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.