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

MARCO M ZAHEDI MD A MEDICAL CORPORATION
NPI 1013454495
General Practice in Santa Ana, CA

Q: What is Marco M Zahedi MD A Medical Corporation's specialty?

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

Active since January 24, 2017

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: October 25, 2026.

Record update history: Apr 24, 2024, Jul 21, 2022, Jul 25, 2017 and 5 more (8 updates tracked since 2017).

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About Marco M Zahedi Md A Medical Corporation NPPES

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

MARCO M ZAHEDI MD A MEDICAL CORPORATION (NPI 1013454495) is a healthcare organization registered as a general practice in Santa Ana, California and active in the NPI registry since January 2017. The organization maintains 3 additional practice locations and lists Marco M Zahedi, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1013454495

Entity TypeOrganization

Primary Taxonomy208D00000X

Legal Business NameMARCO M ZAHEDI MD A MEDICAL CORPORATION

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

Mailing Address3972 Barranca Pkwy Ste JIrvine, CA 92606-8291 · (949) 371-9862 · Fax (866) 439-4879

Phone(949) 371-9862

Fax(866) 439-4879

Organization SubpartNo

Authorized OfficialMarco M ZahediMedical Director · (949) 371-9862

Enumeration DateJanuary 24, 2017

Last NPPES UpdateOctober 23, 20268 updates tracked since enumeration

NPPES CertifiedOctober 23, 2026

✔ NPI 1013454495 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

Also ListedFamily MedicineTaxonomy 207Q00000X

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

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Secondary Practice Locations 3

Location 116520 Bake Pkwy Ste 115Irvine, CA 92618-4688 · Phone (949) 857-4444 · Fax (877) 278-0279

Location 21830 Commercenter ESan Bernardino, CA 92408-3406 · Phone (909) 257-8796 · Fax (844) 706-2769

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marco M Zahedi Md A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Marco M Zahedi MD A Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Marco Zahedi, M.D., M.P.H.

General Practice

NPI 1063779163

999 N TUSTIN AVE STE 222
Santa Ana, CA 92705

(949) 371-9862

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 M Zahedi MD A Medical Corporation's NPI number?

The NPI number for Marco M Zahedi MD A Medical Corporation is 1013454495. It was assigned to this organization in the NPPES registry on January 24, 2017.

Where is Marco M Zahedi MD A Medical Corporation located?

Marco M Zahedi MD A Medical Corporation is located at 999 N Tustin Ave Ste 222, Santa Ana, CA 92705. The listed phone number is (949) 371-9862.

What is Marco M Zahedi MD A Medical Corporation's specialty?

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

Is Marco M Zahedi MD A Medical Corporation enrolled in Medicare?

Yes. Marco M Zahedi MD A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marco M Zahedi MD A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Marco M Zahedi MD A Medical Corporation. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Marco M Zahedi MD A Medical Corporation 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 7 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.