ANTONY J MATHEW
NPI 1376172361
Internal Medicine - Gastroenterology in Southlake, TX
NPI Status: Active since April 02, 2020
Contact Information
421 E STATE HIGHWAY 114
SOUTHLAKE, TX
ZIP 76092
Phone: (682) 335-2000
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Internal Medicine
- Gastroenterology
About ANTONY MATHEW
This page provides the complete NPI Profile along with additional information for Antony Mathew, an internist established in Southlake, Texas with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1376172361 assigned on April 2020. The practitioner's primary taxonomy code is 207RG0100X with license number U3939 (TX). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1376172361
- Provider Name
- ANTONY J MATHEW
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 421 E STATE HIGHWAY 114 SOUTHLAKE, TX 76092
- Location Phone
- (682) 335-2000
- Mailing Address
- 421 E STATE HIGHWAY 114 SOUTHLAKE, TX 76092
- Mailing Phone
- (682) 335-2000
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-02-2020
- Last Update Date
- 06-24-2026
- Code Navigator
An internist like Antony Mathew is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Gastroenterology
- Taxonomy Code
- 207RG0100X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- U3939
- License State
- TX
- Taxonomy Description
- An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
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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 1376172361, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
SOUTHLAKE, TX 76092
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1376172361, enumerated as an "individual" on April 02, 2020.
The provider is located at 421 E STATE HIGHWAY 114 SOUTHLAKE, TX 76092 and the phone number is (682) 335-2000.
Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.
