HUYNH ANH DUY PHAN CST
NPI 1679376289
Technician/Technologist in Seattle, WA
NPI Status: Active since March 29, 2025
Contact Information
1660 S COLUMBIAN WAY
SEATTLE, WA
ZIP 98108
Phone: (206) 581-8602
- Individual
- Male
- Technician/Technologist
About HUYNH PHAN
This page provides the complete NPI Profile along with additional information for Huynh Phan, a provider established in Seattle, Washington with a medical specialization in Technician/technologist. The healthcare provider is registered in the NPI registry with number 1679376289 assigned on March 2025. The practitioner's primary taxonomy code is 156F00000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1679376289
- Provider Name
- HUYNH ANH DUY PHAN CST
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1660 S COLUMBIAN WAY SEATTLE, WA 98108
- Location Phone
- (206) 581-8602
- Mailing Address
- 1801 S 263RD PL DES MOINES, WA 98198
- Mailing Phone
- (206) 581-8602
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-29-2025
- Last Update Date
- 03-29-2025
- 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
Technician/Technologist
- Taxonomy Code
- 156F00000X
- Type
- Eye and Vision Services Providers
- Taxonomy Description
- A broad category grouping different kinds of technologists and technicians. See individual definitions.
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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 1679376289, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
SEATTLE, WA 98108
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1679376289, enumerated as an "individual" on March 29, 2025.
The provider is located at 1660 S COLUMBIAN WAY SEATTLE, WA 98108 and the phone number is (206) 581-8602.
Technician/Technologist with taxonomy code 156F00000X.
