JOUJOU DI-SON NGUYENPHUC DDS
NPI 1194454678
Dentist - Endodontics in Sunnyvale, CA
NPI Status: Active since June 09, 2022
Contact Information
1565 HOLLENBECK AVE
SUNNYVALE, CA
ZIP 94087
Phone: (408) 774-9198
- Individual
- Male
- Dentist
- Endodontics
About JOUJOU NGUYENPHUC
This page provides the complete NPI Profile along with additional information for Joujou Nguyenphuc, a provider established in Sunnyvale, California with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1194454678 assigned on June 2022. The practitioner's primary taxonomy code is 1223E0200X with license number DS044536 (PA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1194454678
- Provider Name
- JOUJOU DI-SON NGUYENPHUC DDS
- Other Name
- DI-SON NGUYEN
- Other Name Type
- Former Name (1)
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1565 HOLLENBECK AVE SUNNYVALE, CA 94087
- Location Phone
- (408) 774-9198
- Mailing Address
- 3927 PINE ST APT 102 PHILADELPHIA, PA 19104
- Mailing Phone
- (213) 545-6707
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-09-2022
- Last Update Date
- 05-21-2025
- Code Navigator
A dentist like Joujou Nguyenphuc 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
Secondary Locations
- 714 Tiverton Ave
Los Angeles, CA 90095
(310) 825-9789 - 39835 Paseo Padre Pkwy
Fremont, CA 94538
(510) 683-8900
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.
- DS044536
- License State
- PA
- 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.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program | (CA) |
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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 1194454678, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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.
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 72 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 11 providers are registered at the same or a nearby location.
SUNNYVALE, CA 94087
SUNNYVALE, CA 94087
SUNNYVALE, CA 94087
SUNNYVALE, CA 94087
SUNNYVALE, CA 94087
SUNNYVALE, CA 94087
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194454678, enumerated as an "individual" on June 09, 2022.
The provider is located at 1565 HOLLENBECK AVE SUNNYVALE, CA 94087 and the phone number is (408) 774-9198.
Dentist with taxonomy code 1223E0200X and a focus in Endodontics.
