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MR. MOHAMMAD REZA AHMADINIA MD
NPI 1235243429
Obstetrics & Gynecology in Apple Valley, CA

Active since August 18, 2006PECOS EnrolledAccepts Medicare Assignment
18112 OUTER HIGHWAY 18, SUITE 101, APPLE VALLEY, CA 92307(760) 946-2243(866) 734-9830 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Mohammad Reza Ahmadinia Md NPPES

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

MR. MOHAMMAD REZA AHMADINIA MD (NPI 1235243429) is an individual obstetrics & gynecology provider in Apple Valley, California, licensed in California (A85204) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1235243429
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameMR. MOHAMMAD REZA AHMADINIACredential: MD
Location Address18112 OUTER HIGHWAY 18, SUITE 101Apple Valley, CA 92307-2211
Mailing Address18112 Outer Highway 18, Suite 101Apple Valley, CA 92307-2211 · (760) 946-2243 · Fax (760) 946-0348
Phone(760) 946-2243
Fax(866) 734-9830
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateAugust 18, 2006
Last NPPES UpdateJanuary 15, 2025
NPPES CertifiedJanuary 15, 2025
✔ NPI 1235243429 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 HIGHWAY 18, Apple Valley, CA 92307
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A852040CA

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

Mr. Mohammad Reza Ahmadinia Md 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 ID9830164391
PECOS Enrollment IDI20040827001064, I20250903004388
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

3

Medicare enrollment records show Mohammad Ahmadinia reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Reza Ahmadinia, M.D., Inc
0.1 mi
Obstetrics & Gynecology
18112 OUTER HWY 18 STE 101
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
NPI 1164566717 (760) 946-2243
Ridgecrest Regional Hospital
77 mi
Rural Health
1041 N CHINA LAKE BLVD
Ridgecrest, CA 93555
  • Reassigned Medicare billing, California enrollment
  • 143 clinicians in this Medicare group
NPI 1639448400 (760) 446-0121
California Laborist Group
79 mi
Obstetrics
1081 N CHINA LAKE BLVD
Ridgecrest, CA 93555
  • Reassigned Medicare billing, California enrollment
NPI 1053122465 (949) 382-4939

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 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services17 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92307 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mohammad Ahmadinia's NPI number?

The NPI number for Mohammad Ahmadinia is 1235243429. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is Mohammad Ahmadinia located?

Mohammad Ahmadinia practices at 18112 Outer Highway 18 Suite 101, Apple Valley, CA 92307. The listed phone number is (760) 946-2243.

What is Mohammad Ahmadinia's specialty?

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

Is Mohammad Ahmadinia enrolled in Medicare?

Yes. Mohammad Ahmadinia 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 Mohammad Ahmadinia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Ahmadinia reassigns Medicare benefits to 3 organizations: Reza Ahmadinia, M.D., Inc (Apple Valley, CA), Ridgecrest Regional Hospital (Ridgecrest, CA) and California Laborist Group (Ridgecrest, 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 Mohammad Ahmadinia'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 Mohammad Ahmadinia was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.