HANNA SEIDFATHI
NPI 1275402356
Assisted Living Facility in Pasadena, CA
NPI Status: Active since November 05, 2025
Contact Information
1625 BANCROFT WAY
PASADENA, CA
ZIP 91103
Phone: (818) 554-5047
- Individual
- Female
- Assisted Living Facility
About HANNA SEIDFATHI
This page provides the complete NPI Profile along with additional information for Hanna Seidfathi, a provider established in Pasadena, California with a medical specialization in Assisted Living Facility. The healthcare provider is registered in the NPI registry with number 1275402356 assigned on November 2025. The practitioner's primary taxonomy code is 310400000X with license number 198603921 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1275402356
- Provider Name
- HANNA SEIDFATHI
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1625 BANCROFT WAY PASADENA, CA 91103
- Location Phone
- (818) 554-5047
- Mailing Address
- 1625 BANCROFT WAY PASADENA, CA 91103
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-05-2025
- Last Update Date
- 11-05-2025
- Code Navigator
Location Map
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
Assisted Living Facility
- Taxonomy Code
- 310400000X
- Type
- Nursing & Custodial Care Facilities
- License No.
- 198603921
- License State
- CA
- Taxonomy Description
- A facility providing supportive services to individuals who can function independently in most areas of activity, but need assistance and/or monitoring to assure safety and well being.
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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 1275402356, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 54 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1275402356, enumerated as an "individual" on November 05, 2025.
The provider is located at 1625 BANCROFT WAY PASADENA, CA 91103 and the phone number is (818) 554-5047.
Assisted Living Facility with taxonomy code 310400000X.
