MR. DAVID DENNY GOODYEAR BC-HIS
NPI 1093845950
Hearing Instrument Specialist in Saint Joseph, MI

NPI Status: Active since March 07, 2007

Contact Information

1000 MAIN SSTREET
SAINT JOSEPH, MI
ZIP 49085
Phone: (269) 983-4828
Fax: (269) 983-4292

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  • Individual
  • Male
  • Hearing Instrument Specialist

About DAVID GOODYEAR

This page provides the complete NPI Profile along with additional information for David Goodyear, a provider established in Saint Joseph, Michigan with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1093845950 assigned on March 2007. The practitioner's primary taxonomy code is 237700000X with license number 3501002334 (MI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1093845950
Provider Name
MR. DAVID DENNY GOODYEAR BC-HIS
Gender
Male
Entity Type
Individual
Location Address
1000 MAIN SSTREET SAINT JOSEPH, MI 49085
Location Phone
(269) 983-4828
Location Fax
(269) 983-4292
Mailing Address
2656 CARTER RD COLOMA, MI 49038
Mailing Phone
(269) 983-4828
Mailing Fax
(269) 983-4292
Is Sole Proprietor?
No
Enumeration Date
03-07-2007
Last Update Date
07-08-2007
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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.
3501002334
License State
MI
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 1093845950, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
0
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 9 → 18 → 9 8 → 16 → 7 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 1 + 6 + 4 + 1 + 0 + 9 + 1 + 0 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1093845950.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093845950, enumerated as an "individual" on March 07, 2007.

The provider is located at 1000 MAIN SSTREET SAINT JOSEPH, MI 49085 and the phone number is (269) 983-4828.

Hearing Instrument Specialist with taxonomy code 237700000X.