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REZA AHMADINIA, M.D., INC
NPI 1164566717
Obstetrics & Gynecology in Apple Valley, CA

Active since February 16, 2007
18112 OUTER HWY 18 STE 101, APPLE VALLEY, CA 92307(760) 946-2243(760) 946-0348 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Reza Ahmadinia, M.d., Inc NPPES

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

REZA AHMADINIA, M.D., INC (NPI 1164566717) is a healthcare organization registered as an obstetrics & gynecology in Apple Valley, California and active in the NPI registry since February 2007. The organization maintains a secondary practice location in Rancho Cucamonga and lists Mohammad Reza Ahmadinia, Owner, as its authorized official.

NPPES Registry Identity

NPI1164566717
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameREZA AHMADINIA, M.D., INC
Location Address18112 OUTER HWY 18 STE 101Apple Valley, CA 92307-2211
Mailing Address18112 Outer Hwy 18 Ste 101Apple Valley, CA 92307-2211 · (760) 946-2243 · Fax (760) 946-0348
Phone(760) 946-2243
Fax(760) 946-0348
Organization SubpartNo
Authorized OfficialMohammad Reza AhmadiniaOwner · (760) 946-2243
Enumeration DateFebruary 16, 2007
Last NPPES UpdateSeptember 10, 2025
NPPES CertifiedSeptember 10, 2025
✔ NPI 1164566717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A85204
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
18112 OUTER HWY 18 STE 101, Apple Valley, CA 92307
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Secondary Practice Location 1

Location 110565 Civic Center DrRancho Cucamonga, CA 91730-3853 · Phone (909) 527-3585 · Fax (909) 527-3627

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Reza Ahmadinia, M.d., Inc 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 Reza Ahmadinia, M.D., Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mohammad Ahmadinia, MD
Obstetrics/Gynecology
NPI 1235243429
18112 OUTER HIGHWAY 18 SUITE 101
Apple Valley, CA 92307
(760) 946-2243
✔ PECOS✔ Accepts Medicare0.1 mi

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 Reza Ahmadinia, M.D., Inc's NPI number?

The NPI number for Reza Ahmadinia, M.D., Inc is 1164566717. It was assigned to this organization in the NPPES registry on February 16, 2007.

Where is Reza Ahmadinia, M.D., Inc located?

Reza Ahmadinia, M.D., Inc is located at 18112 Outer Hwy 18 Ste 101, Apple Valley, CA 92307. The listed phone number is (760) 946-2243.

What is Reza Ahmadinia, M.D., Inc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Reza Ahmadinia, M.D., Inc enrolled in Medicare?

Yes. Reza Ahmadinia, M.D., Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Reza Ahmadinia, M.D., Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Reza Ahmadinia, M.D., Inc. 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 Reza Ahmadinia, M.D., Inc was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.