DR. JENNIFER YAH-LEA TAM-JOHNSTON DDS
NPI 1306008594
Dentist - General Practice in San Mateo, CA
NPI Status: Active since June 27, 2008
Contact Information
644 CARIBBEAN WAY
SAN MATEO, CA
ZIP 94402
Phone: (917) 334-2272
- Individual
- Female
- Dentist
- General Practice
About JENNIFER TAM-JOHNSTON
This page provides the complete NPI Profile along with additional information for Jennifer Tam-johnston, a provider established in San Mateo, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1306008594 assigned on June 2008. The practitioner's primary taxonomy code is 1223G0001X with license number 055443 (NY). The provider is registered as an individual and her NPI record was last updated 10 years ago.
- NPI
- 1306008594
- Provider Name
- DR. JENNIFER YAH-LEA TAM-JOHNSTON DDS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 644 CARIBBEAN WAY SAN MATEO, CA 94402
- Location Phone
- (917) 334-2272
- Mailing Address
- 644 CARIBBEAN WAY SAN MATEO, CA 94402
- Mailing Phone
- (917) 334-2272
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-27-2008
- Last Update Date
- 08-30-2016
- Code Navigator
A dentist like Jennifer Tam-johnston 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.
- 055443
- License State
- NY
- 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.
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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 1306008594, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1306008594, enumerated as an "individual" on June 27, 2008.
The provider is located at 644 CARIBBEAN WAY SAN MATEO, CA 94402 and the phone number is (917) 334-2272.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
