MR. TED WAYNE HESKETT JR. R.D.O.
NPI 1154488427
Technician/Technologist - Contact Lens in San Francisco, CA

NPI Status: Active since January 03, 2007

Contact Information

500 SUTTER ST STE 222
SAN FRANCISCO, CA
ZIP 94102
Phone: (415) 982-8272
Fax: (415) 982-8664

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  • Individual
  • Male
  • Technician/Technologist
  • Contact Lens

About TED HESKETT

This page provides the complete NPI Profile along with additional information for Ted Heskett, a provider established in San Francisco, California with a medical specialization in Technician/technologist, focusing in contact lens . The healthcare provider is registered in the NPI registry with number 1154488427 assigned on January 2007. The practitioner's primary taxonomy code is 156FC0800X with license number CL 70 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1154488427
Provider Name
MR. TED WAYNE HESKETT JR. R.D.O.
Gender
Male
Entity Type
Individual
Location Address
500 SUTTER ST STE 222 SAN FRANCISCO, CA 94102
Location Phone
(415) 982-8272
Location Fax
(415) 982-8664
Mailing Address
500 SUTTER ST STE 222 SAN FRANCISCO, CA 94102
Mailing Phone
(415) 982-8272
Mailing Fax
(415) 982-8664
Is Sole Proprietor?
Yes
Enumeration Date
01-03-2007
Last Update Date
09-11-2025
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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 Contact Lens

Taxonomy Code
156FC0800X
Type
Eye and Vision Services Providers
License No.
CL 70
License State
CA
Taxonomy Description
A contact lens optician or other ancillary support staff person who, where authorized by state law and trained or certified to do so, may fit or dispense contact lenses to a patient based on the prescription of an optometrist or medical physician.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1156FX1800XEye and Vision Services Providers

Technician/Technologist
Optician

D-602 (CA)

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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 1154488427, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
7
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 5 → 10 → 1 4 → 8 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 0 + 4 + 8 + 8 + 1 + 6 + 4 + 4 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1154488427.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154488427, enumerated as an "individual" on January 03, 2007.

The provider is located at 500 SUTTER ST STE 222 SAN FRANCISCO, CA 94102 and the phone number is (415) 982-8272.

Technician/Technologist with taxonomy code 156FC0800X and a focus in Contact Lens.