Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARCO M ZAHEDI M.D., M.P.H.
NPI 1063779163
General Practice in Santa Ana, CA

Q: What is Marco Zahedi's NPI number?

The NPI number for Marco Zahedi is 1063779163. It was assigned to this individual provider in the NPPES registry on April 13, 2012.

Q: What is Marco Zahedi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marco Zahedi was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.

Active since April 13, 2012PECOS Enrolled

999 N TUSTIN AVE STE 222, SANTA ANA, CA 92705(949) 371-9862(866) 439-4879 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 7, 2021, Jun 21, 2017, May 9, 2017 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Marco M Zahedi M.d., M.p.h. NPPES

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

DR. MARCO M ZAHEDI M.D., M.P.H. (NPI 1063779163) is an individual general practice provider in Santa Ana, California, licensed in California (A138224) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Chicago College Of Medicine And Surgery (2012).

NPPES Registry Identity

NPI1063779163

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameDR. MARCO M ZAHEDICredential: M.D., M.P.H.

Location Address999 N TUSTIN AVE STE 222Santa Ana, CA 92705-6506

Mailing Address3972 Barranca Pkwy Ste J, Unit 490Irvine, CA 92606-8291

Phone(949) 371-9862

Fax(866) 439-4879

Sole ProprietorNo

Medical School CMSChicago College Of Medicine And SurgeryGraduated 2012

Enumeration DateApril 13, 2012

Last NPPES UpdateOctober 23, 20264 updates tracked since enumeration

NPPES CertifiedOctober 23, 2026

✔ NPI 1063779163 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 · A138224

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 ListedDermatologyTaxonomy 207N00000X · License A138224 (CA)

Also ListedFamily MedicineTaxonomy 207Q00000X · License A138224 (CA)

999 N TUSTIN AVE STE 222, Santa Ana, CA 92705

Open in Google Maps ↗

Secondary Practice Locations 3

Location 11830 Commercenter ESan Bernardino, CA 92408-3406 · Phone (909) 257-8796 · Fax (844) 706-2769

Location 216520 Bake Pkwy Ste 115Irvine, CA 92618-4688 · Phone (949) 857-4444 · Fax (877) 278-0279

Location 35240 E Beverly BlvdLos Angeles, CA 90022-2002 · Phone (310) 893-0942 · Fax (833) 472-1672

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. Marco M Zahedi M.d., M.p.h. 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.

PECOS PAC ID749590156

PECOS Enrollment IDI20151113001020

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 Reassignments

Medicare enrollment records show Marco Zahedi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marco M Zahedi MD A Medical Corporation

Same address

General Practice

999 N TUSTIN AVE STE 222
Santa Ana, CA 92705

Reassigned Medicare billing, California enrollment

NPI 1013454495 (949) 371-9862

Vmc Center For Regenerative Medicine Inc

62 mi

Clinic/Center

24159 MAGIC MOUNTAIN PKWY
Valencia, CA 91355

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1235935560 (661) 222-9117

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

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

11 services11 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARCO M ZAHEDI MD A MEDICAL CORPORATION

General Practice

999 N TUSTIN AVE STE 222
SANTA ANA, CA 92705

Orange County (949) 371-9862

DR. TIM LYNCH MD

Pain Medicine (Interventional Pain Medicine)

999 N TUSTIN AVE STE 222
SANTA ANA, CA 92705

Orange County (714) 991-7246

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 Marco Zahedi's NPI number?

The NPI number for Marco Zahedi is 1063779163. It was assigned to this individual provider in the NPPES registry on April 13, 2012.

Where is Marco Zahedi located?

Marco Zahedi practices at 999 N Tustin Ave Ste 222, Santa Ana, CA 92705. The listed phone number is (949) 371-9862.

What is Marco Zahedi's specialty?

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

Is Marco Zahedi enrolled in Medicare?

Yes. Marco Zahedi 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 Marco Zahedi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marco Zahedi reassigns Medicare benefits to 2 organizations: Marco M Zahedi MD A Medical Corporation (Santa Ana, CA) and Vmc Center For Regenerative Medicine Inc (Valencia, 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 Marco Zahedi'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 Marco Zahedi was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.