ALICIA PEREZ VARELA AGPCNP
NPI 1104788553
Nurse Practitioner - Gerontology in Fullerton, CA

NPI Status: Active since November 24, 2025

Contact Information

101 E VALENCIA MESA DR
FULLERTON, CA
ZIP 92835
Phone: (714) 992-3000

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  • Individual
  • Female
  • Nurse Practitioner
  • Gerontology

About ALICIA PEREZ VARELA

This page provides the complete NPI Profile along with additional information for Alicia Perez Varela, a provider established in Fullerton, California with a medical specialization in Nurse Practitioner, focusing in gerontology . The healthcare provider is registered in the NPI registry with number 1104788553 assigned on November 2025. The practitioner's primary taxonomy code is 363LG0600X with license number 2025041449 (CA). The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1104788553
Provider Name
ALICIA PEREZ VARELA AGPCNP
Gender
Female
Entity Type
Individual
Location Address
101 E VALENCIA MESA DR FULLERTON, CA 92835
Location Phone
(714) 992-3000
Mailing Address
101 E VALENCIA MESA DR FULLERTON, CA 92835
Mailing Phone
(714) 992-3000
Is Sole Proprietor?
Yes
Enumeration Date
11-24-2025
Last Update Date
12-16-2025
Code Navigator

A nurse practitioner (NP) like Alicia Perez Varela 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 Gerontology

Taxonomy Code
363LG0600X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
2025041449
License State
CA

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1104788553, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 4 + 8 + 1 + 6 + 5 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1104788553.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Emergency Medicine
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Specialist
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Emergency Medicine (Emergency Medical Services)
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Physician Assistant
101 E VALENCIA MESA DR, EM DEPT
FULLERTON, CA 92835
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Nurse Practitioner (Pediatrics)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Radiology (Diagnostic Radiology)
101 E VALENCIA MESA DR, ST JUDE MEDICAL CENTER
FULLERTON, CA 92835

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104788553, enumerated as an "individual" on November 24, 2025.

The provider is located at 101 E VALENCIA MESA DR FULLERTON, CA 92835 and the phone number is (714) 992-3000.

Nurse Practitioner with taxonomy code 363LG0600X and a focus in Gerontology.