KHOSROW MAHDAVI, M.D., INC
NPI 1124229554
Clinic/Center - Oncology in Newport Beach, CA

Q: What is Khosrow Mahdavi, M.D., Inc's NPI number?

The NPI number for Khosrow Mahdavi, M.D., Inc is 1124229554. It was assigned to this organization in the NPPES registry on May 31, 2007.

Q: What is Khosrow Mahdavi, M.D., Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Oncology, with taxonomy code 261QX0200X.

Active since May 31, 2007

4000 W COAST HWY, SUITE 3D, NEWPORT BEACH, CA 92663(949) 642-8566(949) 642-0746 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Khosrow Mahdavi, M.d., Inc NPPES

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

KHOSROW MAHDAVI, M.D., INC (NPI 1124229554) is a healthcare organization registered as an oncology in Newport Beach, California and active in the NPI registry since May 2007. The organization lists Khosrow Mahdavi, President, as its authorized official.

NPPES Registry Identity

NPI1124229554

Entity TypeOrganization

Primary Taxonomy261QX0200X

Legal Business NameKHOSROW MAHDAVI, M.D., INC

Location Address4000 W COAST HWY, SUITE 3DNewport Beach, CA 92663-2695

Mailing Address4000 W Coast Hwy, Suite 3dNewport Beach, CA 92663-2695 · (949) 642-8566 · Fax (949) 642-0746

Phone(949) 642-8566

Fax(949) 642-0746

Organization SubpartNo

Authorized OfficialKhosrow MahdaviPresident · (949) 642-8566

Enumeration DateMay 31, 2007

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1124229554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · OncologyAmbulatory Health Care Facilities

Taxonomy Code261QX0200X

License✔ Licensed in CA · A33589

Definition

An entity, facility, or distinct part of a facility providing diagnostic, treatment and prescriptive services related to cancerous conditions. Services include chemotherapy infusions and monitoring of implanted chemotherapeutic agents.

Also ListedClinic/Center · Infusion TherapyTaxonomy 261QI0500X · License A33589 (CA)

4000 W COAST HWY, Newport Beach, CA 92663

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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 Khosrow Mahdavi, M.D., Inc's NPI number?

The NPI number for Khosrow Mahdavi, M.D., Inc is 1124229554. It was assigned to this organization in the NPPES registry on May 31, 2007.

Where is Khosrow Mahdavi, M.D., Inc located?

Khosrow Mahdavi, M.D., Inc is located at 4000 W Coast Hwy Suite 3D, Newport Beach, CA 92663. The listed phone number is (949) 642-8566.

What is Khosrow Mahdavi, M.D., Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Oncology, with taxonomy code 261QX0200X.

When was this NPI record last updated?

The NPPES record for Khosrow Mahdavi, M.D., Inc was last updated on September 11, 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.