ISMAEL PEREZ
NPI 1245025444
Military Health Care Provider in Jbsa Lackland, TX
NPI Status: Active since April 10, 2025
Contact Information
1100 WILFORD HALL LOOP BLDG 455459
JBSA LACKLAND, TX
ZIP 78236
Phone: (210) 292-5972
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Military Health Care Provider
About ISMAEL PEREZ
This page provides the complete NPI Profile along with additional information for Ismael Perez, a provider established in Jbsa Lackland, Texas with a medical specialization in Military Health Care Provider. The healthcare provider is registered in the NPI registry with number 1245025444 assigned on April 2025. The practitioner's primary taxonomy code is 171000000X. The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1245025444
- Provider Name
- ISMAEL PEREZ
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1100 WILFORD HALL LOOP BLDG 455459 JBSA LACKLAND, TX 78236
- Location Phone
- (210) 292-5972
- Mailing Address
- 1100 WILFORD HALL LOOP BLDG 455459 JBSA LACKLAND, TX 78236
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-10-2025
- Last Update Date
- 06-26-2026
- 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
Military Health Care Provider
- Taxonomy Code
- 171000000X
- Type
- Other Service Providers
- Taxonomy Description
- Active duty military health care providers not otherwise classified who need to be separately identified for operational, clinical, or administrative processes.
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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 1245025444, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
SAN ANTONIO, TX 78236
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1245025444, enumerated as an "individual" on April 10, 2025.
The provider is located at 1100 WILFORD HALL LOOP BLDG 455459 JBSA LACKLAND, TX 78236 and the phone number is (210) 292-5972.
Military Health Care Provider with taxonomy code 171000000X.
