MR. CRAIG HERTZ BC-HIS, IHS
NPI 1457723728
Hearing Instrument Specialist in Monroe, WA
NPI Status: Active since October 27, 2015
Contact Information
15881 LORDS LAKE AVE SE
MONROE, WA
ZIP 98272
Phone: (360) 805-0654
- Individual
- Male
- Hearing Instrument Specialist
About CRAIG HERTZ
This page provides the complete NPI Profile along with additional information for Craig Hertz, a provider established in Monroe, Washington with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1457723728 assigned on October 2015. The practitioner's primary taxonomy code is 237700000X with license number 00000657 (WA). The provider is registered as an individual and his NPI record was last updated April 2025.
- NPI
- 1457723728
- Provider Name
- MR. CRAIG HERTZ BC-HIS, IHS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 15881 LORDS LAKE AVE SE MONROE, WA 98272
- Location Phone
- (360) 805-0654
- Mailing Address
- 15881 LORDS LAKE AVE SE MONROE, WA 98272
- Mailing Phone
- (360) 805-0654
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-27-2015
- Last Update Date
- 04-15-2025
- 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.
- 00000657
- License State
- WA
- 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 Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 4 | 5 | 7 | 7 | 2 | 3 | 7 | 2 | 8 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 4 | 10 | 7 | 14 | 2 | 6 | 7 | 4 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 4 + 1 + 0 + 7 + 1 + 4 + 2 + 6 + 7 + 4 + 24 = 62 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 62 = 8 | 8 | ||||||||
The NPI number 1457723728 is valid because the calculated check digit 8 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1457723728, enumerated as an "individual" on October 27, 2015.
The provider is located at 15881 LORDS LAKE AVE SE MONROE, WA 98272 and the phone number is (360) 805-0654.
Hearing Instrument Specialist with taxonomy code 237700000X.
