MARK ALAN HEISER HIS
NPI 1619449477
Hearing Instrument Specialist in Lake Havasu City, AZ

NPI Status: Active since December 18, 2018

Contact Information

1930 MESQUITE AVE
LAKE HAVASU CITY, AZ
ZIP 86403
Phone: (928) 855-5252
Fax: (928) 855-5283

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  • Individual
  • Male
  • Hearing Instrument Specialist

About MARK HEISER

This page provides the complete NPI Profile along with additional information for Mark Heiser, a provider established in Lake Havasu City, Arizona with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1619449477 assigned on December 2018. The practitioner's primary taxonomy code is 237700000X with license number HADE9721 (AZ). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1619449477
Provider Name
MARK ALAN HEISER HIS
Gender
Male
Entity Type
Individual
Location Address
1930 MESQUITE AVE LAKE HAVASU CITY, AZ 86403
Location Phone
(928) 855-5252
Location Fax
(928) 855-5283
Mailing Address
1930 MESQUITE AVE LAKE HAVASU CITY, AZ 86403
Mailing Phone
(928) 855-5252
Mailing Fax
(928) 855-5283
Is Sole Proprietor?
No
Enumeration Date
12-18-2018
Last Update Date
12-18-2018
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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.
HADE9721
License State
AZ
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 1619449477, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 1 → 2 4 → 8 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 + 6 + 2 + 9 + 8 + 4 + 1 + 8 + 4 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1619449477.

Other Providers at the Same Location


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

Dentist (General Practice)
1930 MESQUITE AVE, STE. 8
LAKE HAVASU CITY, AZ 86403
Social Worker (Clinical)
1930 MESQUITE AVE, STE 7
LAKE HAVASU CITY, AZ 86403
Community/Behavioral Health
1930 MESQUITE AVE, #1A
LAKE HAVASU CITY, AZ 86403
Counselor (Professional)
1930 MESQUITE AVE, SUITE # 1A
LAKE HAVASU CITY, AZ 86403
Hearing Instrument Specialist
1930 MESQUITE AVE, SUITE 5
LAKE HAVASU CITY, AZ 86403

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619449477, enumerated as an "individual" on December 18, 2018.

The provider is located at 1930 MESQUITE AVE LAKE HAVASU CITY, AZ 86403 and the phone number is (928) 855-5252.

Hearing Instrument Specialist with taxonomy code 237700000X.