MS. SUSAN CRISTINA SYKES OPTICIAN
NPI 1609723170
Technician/Technologist - Optician in Santa Monica, CA
NPI Status: Active since March 13, 2026
Contact Information
2716 MAIN ST
SANTA MONICA, CA
ZIP 90405
Phone: (310) 399-3302
Fax: (310) 399-7682
- Individual
- Female
- Technician/Technologist
- Optician
About SUSAN SYKES
This page provides the complete NPI Profile along with additional information for Susan Sykes, a provider established in Santa Monica, California with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1609723170 assigned on March 2026. The practitioner's primary taxonomy code is 156FX1800X with license number A0942329 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1609723170
- Provider Name
- MS. SUSAN CRISTINA SYKES OPTICIAN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2716 MAIN ST SANTA MONICA, CA 90405
- Location Phone
- (310) 399-3302
- Location Fax
- (310) 399-7682
- Mailing Address
- 2716 MAIN ST SANTA MONICA, CA 90405
- Mailing Phone
- (310) 399-3302
- Mailing Fax
- (310) 399-7682
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-13-2026
- Last Update Date
- 03-13-2026
- 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 Optician
- Taxonomy Code
- 156FX1800X
- Type
- Eye and Vision Services Providers
- License No.
- A0942329
- License State
- CA
- Taxonomy Description
- Opticians help fit eyeglasses and contact lenses, following prescriptions from Ophthalmologists and Optometrists. They also help customers decide which eyeglass frame or contact lenses to buy.
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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 1609723170, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609723170, enumerated as an "individual" on March 13, 2026.
The provider is located at 2716 MAIN ST SANTA MONICA, CA 90405 and the phone number is (310) 399-3302.
Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.
