KATHERINE STEPHANIE AYALA MSN
NPI 1609795020
Nurse Practitioner - Family in Huntington Park, CA

NPI Status: Active since July 10, 2026

Contact Information

6601 RUGBY AVE
HUNTINGTON PARK, CA
ZIP 90255
Phone: (323) 588-1177

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About KATHERINE AYALA

This page provides the complete NPI Profile along with additional information for Katherine Ayala, a provider established in Huntington Park, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1609795020 assigned on July 2026. The practitioner's primary taxonomy code is 363LF0000X with license number 95040464 (CA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1609795020
Provider Name
KATHERINE STEPHANIE AYALA MSN
Gender
Female
Entity Type
Individual
Location Address
6601 RUGBY AVE HUNTINGTON PARK, CA 90255
Location Phone
(323) 588-1177
Mailing Address
335 E COLDEN AVE LOS ANGELES, CA 90003
Mailing Phone
(323) 605-6727
Is Sole Proprietor?
No
Enumeration Date
07-10-2026
Last Update Date
07-10-2026
Code Navigator

A nurse practitioner (NP) like Katherine Ayala 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.
95040464
License State
CA

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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 1609795020, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 0 → 0 7 → 14 → 5 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 4 + 9 + 1 + 0 + 0 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1609795020.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Family Medicine
6601 RUGBY AVE, #300
HUNTINGTON PARK, CA 90255
Pediatrics
6601 RUGBY AVE, 300
HUNTINGTON PARK, CA 90255
Pediatrics
6601 RUGBY AVE, 300
HUNTINGTON PARK, CA 90255
Dentist
6601 RUGBY AVE, #400
HUNTINGTON PARK, CA 90255
Physical Medicine & Rehabilitation
6601 RUGBY AVE, 401
HUNTINGTON PARK, CA 90255
Family Medicine
6601 RUGBY AVE, # 300
HUNTINGTON PARK, CA 90255
Nurse Practitioner
6601 RUGBY AVE
HUNTINGTON PARK, CA 90255
Nurse Practitioner (Family)
6601 RUGBY AVE, STE 300
HUNTINGTON PARK, CA 90255
Marriage & Family Therapist
6601 RUGBY AVE
HUNTINGTON PARK, CA 90255

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609795020, enumerated as an "individual" on July 10, 2026.

The provider is located at 6601 RUGBY AVE HUNTINGTON PARK, CA 90255 and the phone number is (323) 588-1177.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.