STEPHEN BEYER
NPI 1861323644
Hearing Instrument Specialist in Waupun, WI

NPI Status: Active since May 28, 2026

Contact Information

1206 ANDY LN
WAUPUN, WI
ZIP 53963
Phone: (815) 953-2207

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  • Individual
  • Male
  • Hearing Instrument Specialist

About STEPHEN BEYER

This page provides the complete NPI Profile along with additional information for Stephen Beyer, a provider established in Waupun, Wisconsin with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1861323644 assigned on May 2026. The practitioner's primary taxonomy code is 237700000X with license number 2214-60 (WI). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1861323644
Provider Name
STEPHEN BEYER
Gender
Male
Entity Type
Individual
Location Address
1206 ANDY LN WAUPUN, WI 53963
Location Phone
(815) 953-2207
Mailing Address
1206 ANDY LN WAUPUN, WI 53963
Mailing Phone
(815) 953-2207
Is Sole Proprietor?
Yes
Enumeration Date
05-28-2026
Last Update Date
05-28-2026
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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

Hearing Instrument Specialist

Taxonomy Code
237700000X
Type
Speech, Language and Hearing Service Providers
License No.
2214-60
License State
WI
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

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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 1861323644, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

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 + 6 + 2 + 6 + 6 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1861323644.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861323644, enumerated as an "individual" on May 28, 2026.

The provider is located at 1206 ANDY LN WAUPUN, WI 53963 and the phone number is (815) 953-2207.

Hearing Instrument Specialist with taxonomy code 237700000X.