KATRYN NATASHA BROWN
NPI 1609629922
Technician/Technologist - Optician in Topsfield, MA

NPI Status: Active since April 08, 2024

Contact Information

253 BOSTON ST
TOPSFIELD, MA
ZIP 01983
Phone: (978) 887-0068

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  • Individual
  • Female
  • Technician/Technologist
  • Optician

About KATRYN BROWN

This page provides the complete NPI Profile along with additional information for Katryn Brown, a provider established in Topsfield, Massachusetts with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1609629922 assigned on April 2024. The practitioner's primary taxonomy code is 156FX1800X with license number DOP6610 (MA). The provider is registered as an individual and her NPI record was last updated 2 years ago.

NPI
1609629922
Provider Name
KATRYN NATASHA BROWN
Gender
Female
Entity Type
Individual
Location Address
253 BOSTON ST TOPSFIELD, MA 01983
Location Phone
(978) 887-0068
Mailing Address
287 ANDOVER ST DANVERS, MA 01923
Mailing Phone
(978) 766-3789
Is Sole Proprietor?
Yes
Enumeration Date
04-08-2024
Last Update Date
11-20-2024
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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.
DOP6610
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 1609629922, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
2
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 0 → 0 6 → 12 → 3 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 2 + 2 + 1 + 8 + 9 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1609629922.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Optometrist
253 BOSTON ST
TOPSFIELD, MA 01983
Optometrist
253 BOSTON ST
TOPSFIELD, MA 01983
Optometrist
253 BOSTON ST
TOPSFIELD, MA 01983
Optometrist
253 BOSTON ST
TOPSFIELD, MA 01983
Optometrist
253 BOSTON ST
TOPSFIELD, MA 01983

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609629922, enumerated as an "individual" on April 08, 2024.

The provider is located at 253 BOSTON ST TOPSFIELD, MA 01983 and the phone number is (978) 887-0068.

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