MS. KATHRYN ROENE STEFFEN F.N.P.
NPI 1194726893
Nurse Practitioner - Family in San Fernando, CA
- Individual
- Female
- Nurse Practitioner
- Family
About KATHRYN STEFFEN
This page provides the complete NPI Profile along with additional information for Kathryn Steffen, a provider established in San Fernando, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1194726893 assigned on August 2005. The practitioner's primary taxonomy code is 363LF0000X with license number 119 (CA). The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1194726893
- Provider Name
- MS. KATHRYN ROENE STEFFEN F.N.P.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1600 SAN FERNANDO RD. SAN FERNANDO, CA 91340
- Location Phone
- (818) 365-8086
- Location Fax
- (818) 898-4826
- Mailing Address
- 1172 N. MACLAY AVE. SAN FERNANDO, CA 91340
- Mailing Phone
- (818) 898-1388
- Mailing Fax
- (818) 365-4031
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-03-2005
- Last Update Date
- 07-13-2026
- Code Navigator
A nurse practitioner (NP) like Kathryn Steffen is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
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
Nurse Practitioner Family
- Taxonomy Code
- 363LF0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 119
- License State
- CA
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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 1194726893, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
SAN FERNANDO, CA 91340
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194726893, enumerated as an "individual" on August 03, 2005.
The provider is located at 1600 SAN FERNANDO RD. SAN FERNANDO, CA 91340 and the phone number is (818) 365-8086.
Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.
