TONY ZARZA NP
NPI 1083449177
Nurse Practitioner - Family in Upland, CA

NPI Status: Active since September 06, 2024

Contact Information

1042 N MOUNTAIN AVE # B233
UPLAND, CA
ZIP 91786
Phone: (931) 217-5313

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  • Individual
  • Male
  • Nurse Practitioner
  • Family

About TONY ZARZA

This page provides the complete NPI Profile along with additional information for Tony Zarza, a provider established in Upland, California with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1083449177 assigned on September 2024. The practitioner's primary taxonomy code is 363LF0000X with license number 95032062 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1083449177
Provider Name
TONY ZARZA NP
Gender
Male
Entity Type
Individual
Location Address
1042 N MOUNTAIN AVE # B233 UPLAND, CA 91786
Location Phone
(931) 217-5313
Mailing Address
1042 N MOUNTAIN AVE # B233 UPLAND, CA 91786
Mailing Phone
(931) 217-5313
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
09-06-2024
Last Update Date
12-08-2025
Code Navigator

A nurse practitioner (NP) like Tony Zarza 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.
95032062
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 1083449177, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 8 → 16 → 7 4 → 8 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 8 + 4 + 1 + 8 + 1 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1083449177.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Nurse Practitioner (Family)
1042 N MOUNTAIN AVE # B233
UPLAND, CA 91786

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083449177, enumerated as an "individual" on September 06, 2024.

The provider is located at 1042 N MOUNTAIN AVE # B233 UPLAND, CA 91786 and the phone number is (931) 217-5313.

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