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

NPI Status: Active since February 16, 2007

Contact Information

18112 OUTER HWY 18 STE 101
APPLE VALLEY, CA
ZIP 92307
Phone: (760) 946-2243
Fax: (760) 946-0348

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  • Organization
  • Obstetrics & Gynecology
  • CLIA Number: 05D1030499
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-08-2025

About REZA AHMADINIA, M.D., INC

This page provides the complete NPI Profile along with additional information for Reza Ahmadinia, M.d., Inc, a women's health care provider established in Apple Valley, California operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1164566717 assigned on February 2007. The practitioner's primary taxonomy code is 207V00000X with license number A85204 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mr. Mohammad Reza Ahmadinia M.d. (Owner)

NPI
1164566717
Provider Name
REZA AHMADINIA, M.D., INC
Entity Type
Organization
Location Address
18112 OUTER HWY 18 STE 101 APPLE VALLEY, CA 92307
Location Phone
(760) 946-2243
Location Fax
(760) 946-0348
Mailing Address
18112 OUTER HWY 18 STE 101 APPLE VALLEY, CA 92307
Mailing Phone
(760) 946-2243
Mailing Fax
(760) 946-0348
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-16-2007
Last Update Date
09-10-2025
Code Navigator

Women's health care providers like Reza Ahmadinia, M.d., Inc treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

Location Map

Secondary Locations

  • 10565 Civic Center Dr
    Rancho Cucamonga, CA 91730
    (909) 527-3585

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
A85204
License State
CA
Taxonomy Description
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. MOHAMMAD REZA AHMADINIA M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(760) 946-2243

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D1030499
Facility Type
Physician Office
Certificate Effective Date
November 09, 2023
Certificate Expiration Date
November 08, 2025
Laboratory Director
MOHAMMAD R. AHMADINIA MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Reza Ahmadinia, M.d., Inc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1164566717, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
1
Doubled → 2
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 5 → 10 → 1 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 2 + 4 + 1 + 0 + 6 + 1 + 2 + 7 + 2 + 24 = 53

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1164566717.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164566717, enumerated as an "organization" on February 16, 2007.

The provider is located at 18112 OUTER HWY 18 STE 101 APPLE VALLEY, CA 92307 and the phone number is (760) 946-2243.

Obstetrics & Gynecology with taxonomy code 207V00000X.