ALEXANDER THOMAS ROOKEY HEARING AID DISPENSE
NPI 1861189276
Hearing Instrument Specialist in Albany, NY

NPI Status: Active since April 18, 2023

Contact Information

123 EVERETT RD
ALBANY, NY
ZIP 12205
Phone: (518) 512-8443
Fax: (518) 701-2139

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Hearing Instrument Specialist

About ALEXANDER ROOKEY

This page provides the complete NPI Profile along with additional information for Alexander Rookey, a provider established in Albany, New York with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1861189276 assigned on April 2023. The practitioner's primary taxonomy code is 237700000X with license number 14000071170 (NY). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1861189276
Provider Name: ALEXANDER THOMAS ROOKEY HEARING AID DISPENSE
Gender: Male
Entity Type: Individual
Location Address: 123 EVERETT RD ALBANY, NY 12205
Location Phone: (518) 512-8443
Location Fax: (518) 701-2139
Mailing Address: 123 EVERETT RD ALBANY, NY 12205
Mailing Phone: (518) 512-8443
Mailing Fax: (518) 701-2139
Is Sole Proprietor?: Yes
Enumeration Date: 04-18-2023
Last Update Date: 04-18-2023
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: Hearing Instrument Specialist
Taxonomy Code: 237700000X
Type: Speech, Language and Hearing Service Providers
License No.: 14000071170
License State: NY
Taxonomy Description: Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

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 1861189276, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 6 → 12 → 3 1 → 2 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 2 + 8 + 1 + 8 + 2 + 1 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1861189276.