GERARDO ALVARADO MD
NPI 1164225546
Military Health Care Provider in Fort Belvoir, VA
NPI Status: Active since March 31, 2025
Contact Information
9300 DEWITT LOOP
FORT BELVOIR, VA
ZIP 22060
Phone: (571) 231-1803
Fax: (571) 231-6616
- Individual
- Military Health Care Provider
About GERARDO ALVARADO
This page provides the complete NPI Profile along with additional information for Gerardo Alvarado, a provider established in Fort Belvoir, Virginia operating as a Military Health Care Provider. The healthcare provider is registered in the NPI registry with number 1164225546 assigned on March 2025. The practitioner's primary taxonomy code is 171000000X. The provider is registered as an individual and their NPI record was last updated one year ago.
- NPI
- 1164225546
- Provider Name
- GERARDO ALVARADO MD
- Gender
- Entity Type
- Individual
- Location Address
- 9300 DEWITT LOOP FORT BELVOIR, VA 22060
- Location Phone
- (571) 231-1803
- Location Fax
- (571) 231-6616
- Mailing Address
- 9300 DEWITT LOOP FORT BELVOIR, VA 22060
- Mailing Phone
- (571) 231-1803
- Mailing Fax
- (571) 231-6616
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-31-2025
- Last Update Date
- 05-29-2025
- 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
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 1164225546, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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.
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 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
FORT BELVOIR, VA 22060
FT BELVOIR, VA 22060
FT. BELVOIR, VA 22060
FT BELVOIR, VA 22060
FORT BELVOIOR, VA 22060
FORT BELVOIR, VA 22060
FORT BELVOIR, VA 22060
FORT BELVOIR, VA 22060
FT BELVOIR, VA 22060
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1164225546, enumerated as an "individual" on March 31, 2025.
The provider is located at 9300 DEWITT LOOP FORT BELVOIR, VA 22060 and the phone number is (571) 231-1803.
Military Health Care Provider with taxonomy code 171000000X.
