MARK MUSZYNSKI
NPI 1366898504
Hearing Instrument Specialist in Sterling Heights, MI

NPI Status: Active since May 06, 2016

Contact Information

44650 DELCO BLVD STE 100
STERLING HEIGHTS, MI
ZIP 48313
Phone: (586) 254-1770
Fax: (586) 254-3515

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  • Individual
  • Male
  • Hearing Instrument Specialist

About MARK MUSZYNSKI

This page provides the complete NPI Profile along with additional information for Mark Muszynski, a provider established in Sterling Heights, Michigan with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1366898504 assigned on May 2016. The practitioner's primary taxonomy code is 237700000X with license number 3501013959 (MI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1366898504
Provider Name
MARK MUSZYNSKI
Gender
Male
Entity Type
Individual
Location Address
44650 DELCO BLVD STE 100 STERLING HEIGHTS, MI 48313
Location Phone
(586) 254-1770
Location Fax
(586) 254-3515
Mailing Address
44650 DELCO BLVD STE 100 STERLING HEIGHTS, MI 48313
Mailing Phone
(586) 254-1770
Mailing Fax
(586) 254-3515
Is Sole Proprietor?
Yes
Enumeration Date
05-06-2016
Last Update Date
01-15-2025
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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.
3501013959
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

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1174400000XOther Service Providers

Specialist

3501013959 (MI)

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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 1366898504, 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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
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 8 → 16 → 7 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 6 + 9 + 1 + 6 + 5 + 0 + 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 1366898504.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Plastic Surgery
44650 DELCO BLVD STE 100
STERLING HEIGHTS, MI 48313
Ophthalmology
44650 DELCO BLVD STE 100
STERLING HEIGHTS, MI 48313

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366898504, enumerated as an "individual" on May 06, 2016.

The provider is located at 44650 DELCO BLVD STE 100 STERLING HEIGHTS, MI 48313 and the phone number is (586) 254-1770.

Hearing Instrument Specialist with taxonomy code 237700000X.