KATRINA DAVIS MD
NPI 1942156336
Military Health Care Provider in Jbsa Fort Sam Houston, TX

NPI Status: Active since March 07, 2026

Contact Information

3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX
ZIP 78234
Phone: (210) 916-8666

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  • Individual
  • Female
  • Military Health Care Provider

About KATRINA DAVIS

This page provides the complete NPI Profile along with additional information for Katrina Davis, a provider established in Jbsa Fort Sam Houston, Texas with a medical specialization in Military Health Care Provider. The healthcare provider is registered in the NPI registry with number 1942156336 assigned on March 2026. The practitioner's primary taxonomy code is 171000000X. The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1942156336
Provider Name
KATRINA DAVIS MD
Gender
Female
Entity Type
Individual
Location Address
3551 ROGER BROOKE DRIVE JBSA FORT SAM HOUSTON, TX 78234
Location Phone
(210) 916-8666
Mailing Address
3551 ROGER BROOKE DRIVE JBSA FORT SAM HOUSTON, TX 78234
Mailing Phone
(210) 916-8666
Is Sole Proprietor?
No
Enumeration Date
03-07-2026
Last Update Date
03-07-2026
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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 1942156336, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 4 → 8 1 → 2 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 2 + 5 + 1 + 2 + 3 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1942156336.

Other Providers at the Same Location


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

Occupational Therapist
3551 ROGER BROOKE DRIVE, MCHE QD
FORT SAM HOUSTON, TX 78234
Occupational Therapist
3551 ROGER BROOKE DRIVE, SAN ANTONIO MILITARY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DRIVE, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Internal Medicine (Hematology & Oncology)
3551 ROGER BROOKE DRIVE, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Physician Assistant
3551 ROGER BROOKE DRIVE, DEPARTMENT OF EMERGENCY MEDICINE
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3551 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3551 ROGER BROOKE DRIVE, MCHE/ME
JBSA FORT SAM HOUSTON, TX 78234
Internal Medicine (Rheumatology)
3551 ROGER BROOKE DRIVE, RHEUMATOLOGY CLINIC
FORT SAM HOUSTON, TX 78234
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
3551 ROGER BROOKE DRIVE, SAMMC
JBSA FORT SAM HOUSTON, TX 78234
Internal Medicine (Cardiovascular Disease)
3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234
Emergency Medicine
3551 ROGER BROOKE DRIVE, MCHE/ME
SAN ANTONIO, TX 78234
Internal Medicine (Interventional Cardiology)
3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234
General Practice
3551 ROGER BROOKE DRIVE, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Obstetrics & Gynecology
3551 ROGER BROOKE DRIVE, MCHE/ME
FORT SAM HOUSTON, TX 78234
Occupational Therapist (Hand)
3551 ROGER BROOKE DRIVE, QUALITY SERVICES, ATTN: MCHE-ZQQ
SAN ANTONIO, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3551 ROGER BROOKE DRIVE, MCHE/ME
JBSA FORT SAM HOUSTON, TX 78234
Ophthalmology
3551 ROGER BROOKE DRIVE, OPHTHALMOLOGY CLINIC, 2ND FLOOR MEDICAL MALL
FORT SAM HOUSTON, TX 78234
Pediatrics
3551 ROGER BROOKE DRIVE, SAN ANTONIO MILITARY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
General Practice
3551 ROGER BROOKE DRIVE, JBSA FORT SAM HOUSTON
SAN ANTONIO, TX 78234

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942156336, enumerated as an "individual" on March 07, 2026.

The provider is located at 3551 ROGER BROOKE DRIVE JBSA FORT SAM HOUSTON, TX 78234 and the phone number is (210) 916-8666.

Military Health Care Provider with taxonomy code 171000000X.