TWO IS BETTER OPTOMETRY
NPI 1053742965
Clinic/Center - Health Service in Redwood City, CA
NPI Status: Active since December 02, 2013
Contact Information
1391 WOODSIDE RD
SUITE 218
REDWOOD CITY, CA
ZIP 94061
Phone: (408) 209-6808
- Organization
- Clinic/Center
- Health Service
About TWO IS BETTER OPTOMETRY
This page provides the complete NPI Profile along with additional information for Two Is Better Optometry, a provider established in Redwood City, California operating as a Clinic/center, focusing in health service . The healthcare provider is registered in the NPI registry with number 1053742965 assigned on December 2013. The practitioner's primary taxonomy code is 261QH0100X. The provider is registered as an organization and their NPI record was last updated 13 years ago. The provider's is doing business as Two Is Better Optometry. The authorized official of this NPI record is Johanna Poon Od (President)
- NPI
- 1053742965
- Provider Legal Name
- JOHANNA POON OD A PROFESSIONAL CORPORATION
- Other Organization Name
- TWO IS BETTER OPTOMETRY
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 1391 WOODSIDE RD SUITE 218 REDWOOD CITY, CA 94061
- Location Phone
- (408) 209-6808
- Mailing Address
- 1391 WOODSIDE RD SUITE 218 REDWOOD CITY, CA 94061
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 12-02-2013
- Last Update Date
- 12-02-2013
- 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
Clinic/Center Health Service
- Taxonomy Code
- 261QH0100X
- Type
- Ambulatory Health Care Facilities
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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 1053742965, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1053742965, enumerated as an "organization" on December 02, 2013.
The provider is located at 1391 WOODSIDE RD SUITE 218 REDWOOD CITY, CA 94061 and the phone number is (408) 209-6808.
Clinic/Center with taxonomy code 261QH0100X and a focus in Health Service.
