FATEMEH DEHDAR
NPI 1669341921
Radiologic Technologist - Mammography in Sacramento, CA

NPI Status: Active since November 04, 2025

Contact Information

1765 CHALLENGE WAY
SACRAMENTO, CA
ZIP 95815
Phone: (916) 905-5636

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  • Individual
  • Female
  • Radiologic Technologist
  • Mammography

About FATEMEH DEHDAR

This page provides the complete NPI Profile along with additional information for Fatemeh Dehdar, a provider established in Sacramento, California with a medical specialization in Radiologic Technologist, focusing in mammography . The healthcare provider is registered in the NPI registry with number 1669341921 assigned on November 2025. The practitioner's primary taxonomy code is 2471M2300X with license number RHM00078688 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1669341921
Provider Name
FATEMEH DEHDAR
Other Name
FARZANEH DEHDAR
Other Name Type
Other Name (5)
Gender
Female
Entity Type
Individual
Location Address
1765 CHALLENGE WAY SACRAMENTO, CA 95815
Location Phone
(916) 905-5636
Mailing Address
1000 MAMBO WAY ROSEVILLE, CA 95747
Mailing Phone
(510) 305-1319
Is Sole Proprietor?
No
Enumeration Date
11-04-2025
Last Update Date
11-04-2025
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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

Radiologic Technologist Mammography

Taxonomy Code
2471M2300X
Type
Technologists, Technicians & Other Technical Service Providers
License No.
RHM00078688
License State
CA
Taxonomy Description
A radiologic technologist who specializes in mammography and is appropriately educated and trained, consistent with nationally recognized standards, state statute, and facility policy in performance of mammogram imaging, exam techniques, equipment protocols, radiation safety, and patient care.

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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 1669341921, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 3 → 6 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 6 + 4 + 2 + 9 + 4 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1669341921.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Optometrist
1765 CHALLENGE WAY, SUITE 200
SACRAMENTO, CA 95815
Optometrist
1765 CHALLENGE WAY, SUITE 200
SACRAMENTO, CA 95815
Chiropractor
1765 CHALLENGE WAY, STE 105
SACRAMENTO, CA 95815
Optometrist
1765 CHALLENGE WAY, SUITE 200
SACRAMENTO, CA 95815

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669341921, enumerated as an "individual" on November 04, 2025.

The provider is located at 1765 CHALLENGE WAY SACRAMENTO, CA 95815 and the phone number is (916) 905-5636.

Radiologic Technologist with taxonomy code 2471M2300X and a focus in Mammography.