JOSEPHINE M CASTANEDA-DIFFENDERFFER
NPI 1255534806
Rehabilitation Practitioner in San Diego, CA
NPI Status: Active since June 08, 2007
Contact Information
1940 MARKET ST
SAN DIEGO, CA
ZIP 92102
Phone: (619) 233-3381
Fax: (619) 236-8240
- Individual
- Female
- Rehabilitation Practitioner
About JOSEPHINE CASTANEDA-DIFFENDERFFER
This page provides the complete NPI Profile along with additional information for Josephine Castaneda-diffenderffer, a provider established in San Diego, California with a medical specialization in Rehabilitation Practitioner. The healthcare provider is registered in the NPI registry with number 1255534806 assigned on June 2007. The practitioner's primary taxonomy code is 225400000X. The provider is registered as an individual and her NPI record was last updated 19 years ago.
- NPI
- 1255534806
- Provider Name
- JOSEPHINE M CASTANEDA-DIFFENDERFFER
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1940 MARKET ST SAN DIEGO, CA 92102
- Location Phone
- (619) 233-3381
- Location Fax
- (619) 236-8240
- Mailing Address
- 447 N EL MOLINO AVE PASADENA, CA 91101
- Mailing Phone
- (626) 577-8480
- Mailing Fax
- (619) 236-8240
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-08-2007
- Last Update Date
- 07-08-2007
- 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
Rehabilitation Practitioner
- Taxonomy Code
- 225400000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Taxonomy Description
- A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.
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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 1255534806, 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.
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The following 15 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255534806, enumerated as an "individual" on June 08, 2007.
The provider is located at 1940 MARKET ST SAN DIEGO, CA 92102 and the phone number is (619) 233-3381.
Rehabilitation Practitioner with taxonomy code 225400000X.
