DR. JOHN DOUGLAS LEITCH JR. DDS
NPI 1821116369
Dentist - Endodontics in Hunt, TX
NPI Status: Active since March 26, 2007
Contact Information
380 FALLOW RUN
HUNT, TX
ZIP 78024
Phone: (830) 238-7654
Fax: (830) 238-7684
- Individual
- Male
- Dentist
- Endodontics
About JOHN LEITCH
This page provides the complete NPI Profile along with additional information for John Leitch, a provider established in Hunt, Texas with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1821116369 assigned on March 2007. The practitioner's primary taxonomy code is 1223E0200X with license number 14087 (TX). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1821116369
- Provider Name
- DR. JOHN DOUGLAS LEITCH JR. DDS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 380 FALLOW RUN HUNT, TX 78024
- Location Phone
- (830) 238-7654
- Location Fax
- (830) 238-7684
- Mailing Address
- PO BOX 380 HUNT, TX 78024
- Mailing Phone
- (830) 238-7654
- Mailing Fax
- (830) 238-7684
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-26-2007
- Last Update Date
- 07-08-2007
- Code Navigator
A dentist like John Leitch is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
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
Dentist Endodontics
- Taxonomy Code
- 1223E0200X
- Type
- Dental Providers
- License No.
- 14087
- License State
- TX
- Taxonomy Description
- The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
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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 1821116369, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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 51 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821116369, enumerated as an "individual" on March 26, 2007.
The provider is located at 380 FALLOW RUN HUNT, TX 78024 and the phone number is (830) 238-7654.
Dentist with taxonomy code 1223E0200X and a focus in Endodontics.
