Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

TU HUU NGUYEN M.D
NPI 1982675138
Pathology - Dermatopathology in Fort Sam Houston, TX

Active since January 27, 2006
3851 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(210) 916-7148(210) 916-6127 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Pathology
  • Dermatopathology

About TU NGUYEN

This page provides the complete NPI Profile along with additional information for Tu Nguyen, a provider established in Fort Sam Houston, Texas with a medical specialization in Pathology, focusing in dermatopathology . The healthcare provider is registered in the NPI registry with number 1982675138 assigned on January 2006. The practitioner's primary taxonomy code is 207ZD0900X with license number G031300 (GA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1982675138
Provider Name
TU HUU NGUYEN M.D
Gender
Male
Entity Type
Individual
Location Address
3851 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234
Location Phone
(210) 916-7148
Location Fax
(210) 916-6127
Mailing Address
3851 ROGER BROOKE DR MCHE-QD(CREDS) FORT SAM HOUSTON, TX 78234
Mailing Phone
(210) 916-7148
Mailing Fax
(210) 916-6127
Is Sole Proprietor?
No
Enumeration Date
01-27-2006
Last Update Date
07-13-2026
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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

Pathology Dermatopathology

Taxonomy Code
207ZD0900X
Type
Allopathic & Osteopathic Physicians
License No.
G031300
License State
GA
Taxonomy Description
A dermatopathologist is an expert in diagnosing and monitoring diseases of the skin including infectious, immunologic, degenerative, and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings, and smears of skin lesions by means of light microscopy, electron microscopy, and fluorescence microscopy.

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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 1982675138, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
8
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 6 → 12 → 3 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 2 + 7 + 1 + 0 + 1 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1982675138.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Pediatrics
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
SAN ANTONIO, TX 78234
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
3851 ROGER BROOKE DR, MCHE-QD/CREDENTIALS
FORT SAM HOUSTON, TX 78234
Nurse Practitioner (Family)
3851 ROGER BROOKE DR, MCHE-QD/CREDENTIALS
FORT SAM HOUSTON, TX 78234
Dietitian, Registered
3851 ROGER BROOKE DR, MCHE-QF (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Physician Assistant (Medical)
3851 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Internal Medicine
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Nurse Anesthetist, Certified Registered
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
SAN ANTONIO, TX 78234
Anesthesiology
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Ophthalmology
3851 ROGER BROOKE DR, DEPT. OF OPHTHALMOLOGY
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3851 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Dietitian, Registered
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Nurse Anesthetist, Certified Registered
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Dietitian, Registered
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Obstetrics & Gynecology
3851 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Preventive Medicine (Occupational Medicine)
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982675138, enumerated as an "individual" on January 27, 2006.

The provider is located at 3851 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234 and the phone number is (210) 916-7148.

Pathology with taxonomy code 207ZD0900X and a focus in Dermatopathology.