JOHN T NGUYEN DDS INC
NPI 1396196051
Dentist - General Practice in Costa Mesa, CA
NPI Status: Active since June 23, 2016
Contact Information
1175 BAKER ST
A4
COSTA MESA, CA
ZIP 92626
Phone: (714) 227-4477
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Organization
- Dentist
- General Practice
About JOHN T NGUYEN DDS INC
This page provides the complete NPI Profile along with additional information for John T Nguyen Dds Inc, a provider established in Costa Mesa, California operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1396196051 assigned on June 2016. The practitioner's primary taxonomy code is 1223G0001X with license number 61994 (CA). The provider is registered as an organization and their NPI record was last updated June 2026. John T Nguyen Dds Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. John Thai-huy Nguyen D.d.s. (Owner)
- NPI
- 1396196051
- Provider Name
- JOHN T NGUYEN DDS INC
- Entity Type
- Organization
- Location Address
- 1175 BAKER ST A4 COSTA MESA, CA 92626
- Location Phone
- (714) 227-4477
- Mailing Address
- 1175 BAKER ST A4 COSTA MESA, CA 92626
- Mailing Phone
- (714) 227-4477
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 06-23-2016
- Last Update Date
- 06-10-2026
- Code Navigator
A dentist like John T Nguyen Dds Inc 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 General Practice
- Taxonomy Code
- 1223G0001X
- Type
- Dental Providers
- License No.
- 61994
- License State
- CA
- 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.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1396196051, 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.
COSTA MESA, CA 92626
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1396196051, enumerated as an "organization" on June 23, 2016.
The provider is located at 1175 BAKER ST A4 COSTA MESA, CA 92626 and the phone number is (714) 227-4477.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
