KATHY CALNAN OPTICIAN
NPI 1437316775
Technician/Technologist - Optician in Hingham, MA

NPI Status: Active since May 22, 2008

Contact Information

195 WHITING ST
HINGHAM, MA
ZIP 02043
Phone: (781) 749-9133

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  • Individual
  • Female
  • Technician/Technologist
  • Optician

About KATHY CALNAN

This page provides the complete NPI Profile along with additional information for Kathy Calnan, a provider established in Hingham, Massachusetts with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1437316775 assigned on May 2008. The practitioner's primary taxonomy code is 156FX1800X with license number 4149 (MA). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1437316775
Provider Name
KATHY CALNAN OPTICIAN
Gender
Female
Entity Type
Individual
Location Address
195 WHITING ST HINGHAM, MA 02043
Location Phone
(781) 749-9133
Mailing Address
195 WHITING ST HINGHAM, MA 02043
Mailing Phone
(781) 749-9133
Is Sole Proprietor?
Yes
Enumeration Date
05-22-2008
Last Update Date
05-22-2008
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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 Optician

Taxonomy Code
156FX1800X
Type
Eye and Vision Services Providers
License No.
4149
License State
MA
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 1437316775, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 3 → 6 3 → 6 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 6 + 1 + 1 + 2 + 7 + 1 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1437316775.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Acupuncturist
195 WHITING ST, #4A
HINGHAM, MA 02043
Chiropractor
195 WHITING ST, SUITE 3
HINGHAM, MA 02043
Psychologist (Counseling)
195 WHITING ST, SUITE 4B
HINGHAM, MA 02043
Chiropractor
195 WHITING ST, SUITE 3A
HINGHAM, MA 02043

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437316775, enumerated as an "individual" on May 22, 2008.

The provider is located at 195 WHITING ST HINGHAM, MA 02043 and the phone number is (781) 749-9133.

Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.