DR. LARRY LEE GRABHORN M.D.
NPI 1902859234
Preventive Medicine - Aerospace Medicine in Fort Sam Houston, TX
NPI Status: Active since May 18, 2006
Contact Information
BAMC
3851 ROGER BROOKE DRIVE MCHE-QD (CREDS)
FORT SAM HOUSTON, TX
ZIP 78234
Phone: (361) 961-3151
Fax: (361) 961-4823
- Individual
- Male
- Preventive Medicine
- Aerospace Medicine
About LARRY GRABHORN
This page provides the complete NPI Profile along with additional information for Larry Grabhorn, a provider established in Fort Sam Houston, Texas with a medical specialization in Preventive Medicine, focusing in aerospace medicine . The healthcare provider is registered in the NPI registry with number 1902859234 assigned on May 2006. The practitioner's primary taxonomy code is 2083A0100X with license number J3485 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1902859234
- Provider Name
- DR. LARRY LEE GRABHORN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- BAMC 3851 ROGER BROOKE DRIVE MCHE-QD (CREDS) FORT SAM HOUSTON, TX 78234
- Location Phone
- (361) 961-3151
- Location Fax
- (361) 961-4823
- Mailing Address
- 15338 BOUNTY AVE CORPUS CHRISTI, TX 78418
- Mailing Phone
- (361) 949-4615
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-18-2006
- Last Update Date
- 09-11-2025
- 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
Preventive Medicine Aerospace Medicine
- Taxonomy Code
- 2083A0100X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- J3485
- License State
- TX
- Taxonomy Description
- Aerospace medicine focuses on the clinical care, research, and operational support of the health, safety, and performance of crewmembers and passengers of air and space vehicles, together with the support personnel who assist operation of such vehicles. This population often works and lives in remote, isolated, extreme, or enclosed environments under conditions of physical and psychological stress. Practitioners strive for an optimal human-machine match in occupational settings rich with environmental hazards and engineering countermeasures.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 2083X0100X | Allopathic & Osteopathic Physicians | Preventive Medicine | J3485 (TX) |
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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 1902859234, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
FORT SAM HOUSTON, TX 78234
FORT SAM HOUSTON, TX 78234
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902859234, enumerated as an "individual" on May 18, 2006.
The provider is located at BAMC 3851 ROGER BROOKE DRIVE MCHE-QD (CREDS) FORT SAM HOUSTON, TX 78234 and the phone number is (361) 961-3151.
Preventive Medicine with taxonomy code 2083A0100X and a focus in Aerospace Medicine.
