DR. JUSTIN TOWNSEND MARTIN DMD
NPI 1730061441
Dentist - Oral and Maxillofacial Radiology in Chapel Hill, NC

NPI Status: Active since July 23, 2025

Contact Information

385 S COLUMBIA ST
CHAPEL HILL, NC
ZIP 27514
Phone: (919) 537-3737

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Dentist
Oral and Maxillofacial Radiology

About JUSTIN MARTIN

This page provides the complete NPI Profile along with additional information for Justin Martin, a provider established in Chapel Hill, North Carolina with a medical specialization in Dentist, focusing in oral and maxillofacial radiology . The healthcare provider is registered in the NPI registry with number 1730061441 assigned on July 2025. The practitioner's primary taxonomy code is 1223X0008X with license number DDS-10244 (IA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1730061441
Provider Name: DR. JUSTIN TOWNSEND MARTIN DMD
Gender: Male
Entity Type: Individual
Location Address: 385 S COLUMBIA ST CHAPEL HILL, NC 27514
Location Phone: (919) 537-3737
Mailing Address: 79 TARWICK AVE CHAPEL HILL, NC 27516
Mailing Phone: (630) 328-9989
Is Sole Proprietor?: No
Enumeration Date: 07-23-2025
Last Update Date: 07-23-2025
Code Navigator

A dentist like Justin Martin 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 Oral and Maxillofacial Radiology
Taxonomy Code: 1223X0008X
Type: Dental Providers
License No.: DDS-10244
License State: IA
Taxonomy Description: The specialty of dentistry and discipline of radiology concerned with the production and interpretation of images and data produced by all modalities of radiant energy that are used for the diagnosis and management of diseases, disorders and conditions of the oral and maxillofacial region.

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 1730061441, 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

Target digit

Regular digit Doubled digit Check digit

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.

1 → 2 3 → 6 0 → 0 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 6 + 0 + 0 + 6 + 2 + 4 + 8 + 24 = 59

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.

60 - 59 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1730061441.