JOHN TOLSON III M.D.
NPI 1629340849
Specialist in Lafayette, LA
NPI Status: Active since February 03, 2012
Contact Information
1604 W PINHOOK RD
SUITE 309
LAFAYETTE, LA
ZIP 70508
Phone: (337) 232-4349
Fax: (337) 232-4791
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Specialist
About JOHN TOLSON
This page provides the complete NPI Profile along with additional information for John Tolson, a provider established in Lafayette, Louisiana with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1629340849 assigned on February 2012. The practitioner's primary taxonomy code is 174400000X with license number MD.010326 (LA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1629340849
- Provider Name
- JOHN TOLSON III M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1604 W PINHOOK RD SUITE 309 LAFAYETTE, LA 70508
- Location Phone
- (337) 232-4349
- Location Fax
- (337) 232-4791
- Mailing Address
- 1604 W PINHOOK RD SUITE 309 LAFAYETTE, LA 70508
- Mailing Phone
- (337) 232-4349
- Mailing Fax
- (337) 232-4791
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-03-2012
- Last Update Date
- 06-07-2026
- 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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- MD.010326
- License State
- LA
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
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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 1629340849, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1629340849, enumerated as an "individual" on February 03, 2012.
The provider is located at 1604 W PINHOOK RD SUITE 309 LAFAYETTE, LA 70508 and the phone number is (337) 232-4349.
Specialist with taxonomy code 174400000X.
