DR. NGUYEN N THANG DMD
NPI 1063621688
Dentist - General Practice in Houston, TX

NPI Status: Active since May 21, 2007

Contact Information

8138 S. KIRKWOOD
SUITE A
HOUSTON, TX
ZIP 77072
Phone: (281) 568-4441
Fax: (281) 568-4463

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  • Individual
  • Male
  • Dentist
  • General Practice
  • CLIA Number: 45D0708227
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-17-2028

About NGUYEN THANG

This page provides the complete NPI Profile along with additional information for Nguyen Thang, a provider established in Houston, Texas with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1063621688 assigned on May 2007. The practitioner's primary taxonomy code is 1223G0001X with license number 12337 (TX). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1063621688
Provider Name
DR. NGUYEN N THANG DMD
Other Name
DR. JAMES N THANG DMD
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
8138 S. KIRKWOOD SUITE A HOUSTON, TX 77072
Location Phone
(281) 568-4441
Location Fax
(281) 568-4463
Mailing Address
8138 S. KIRKWOOD SUITE A HOUSTON, TX 77072
Mailing Phone
(281) 568-4441
Mailing Fax
(281) 568-4463
Is Sole Proprietor?
Yes
Enumeration Date
05-21-2007
Last Update Date
04-20-2009
Code Navigator

A dentist like Nguyen Thang 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.

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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 General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
12337
License State
TX
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
45D0708227
Facility Type
Physician Office
Certificate Effective Date
March 18, 2026
Certificate Expiration Date
March 17, 2028
Laboratory Director
NGUYEN D. PHUNG
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Nguyen Thang to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1063621688, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
8
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 6 → 12 → 3 6 → 12 → 3 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 2 + 3 + 1 + 2 + 2 + 2 + 6 + 1 + 6 + 24 = 52

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1063621688.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist (General Practice)
8138 S. KIRKWOOD, STE A
HOUSTON, TX 77072

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1063621688, enumerated as an "individual" on May 21, 2007.

The provider is located at 8138 S. KIRKWOOD SUITE A HOUSTON, TX 77072 and the phone number is (281) 568-4441.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.