DR. DOLLY B. TYAN PH.D.
NPI 1801936471
Specialist in Palo Alto, CA
NPI Status: Active since February 06, 2007
Contact Information
3373 HILLVIEW AVE
PALO ALTO, CA
ZIP 94304
Phone: (650) 736-8917
Fax: (650) 725-4470
- Individual
- Female
- Specialist
About DOLLY TYAN
This page provides the complete NPI Profile along with additional information for Dolly Tyan, a provider established in Palo Alto, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1801936471 assigned on February 2007. The practitioner's primary taxonomy code is 174400000X with license number DRK20 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.
- NPI
- 1801936471
- Provider Name
- DR. DOLLY B. TYAN PH.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3373 HILLVIEW AVE PALO ALTO, CA 94304
- Location Phone
- (650) 736-8917
- Location Fax
- (650) 725-4470
- Mailing Address
- 3373 HILLVIEW AVE PALO ALTO, CA 94304
- Mailing Phone
- (650) 736-8917
- Mailing Fax
- (650) 725-4470
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-06-2007
- Last Update Date
- 07-08-2007
- Code Navigator
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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- DRK20
- License State
- CA
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
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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 1801936471, 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 7 providers are registered at the same or a nearby location.
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1801936471, enumerated as an "individual" on February 06, 2007.
The provider is located at 3373 HILLVIEW AVE PALO ALTO, CA 94304 and the phone number is (650) 736-8917.
Specialist with taxonomy code 174400000X.
