MICHAEL DIRMISH AUD
NPI 1861325433
Audiologist in Crown Point, IN

NPI Status: Active since June 04, 2026

Contact Information

10855 VIRGINIA ST
CROWN POINT, IN
ZIP 46307
Phone: (773) 702-1865

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  • Individual
  • Male
  • Audiologist

About MICHAEL DIRMISH

This page provides the complete NPI Profile along with additional information for Michael Dirmish, a provider established in Crown Point, Indiana with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1861325433 assigned on June 2026. The practitioner's primary taxonomy code is 231H00000X with license number 23002959A (IN). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1861325433
Provider Name
MICHAEL DIRMISH AUD
Gender
Male
Entity Type
Individual
Location Address
10855 VIRGINIA ST CROWN POINT, IN 46307
Location Phone
(773) 702-1865
Mailing Address
236 N ADDISON AVE ELMHURST, IL 60126
Mailing Phone
(630) 303-1893
Is Sole Proprietor?
No
Enumeration Date
06-04-2026
Last Update Date
06-04-2026
Code Navigator

Audiologists like Michael Dirmish are experts in diagnosing issues related to various parts of the ear, including the outer, middle, and inner ear. They can identify conditions like vertigo, balance issues, hearing loss, and tinnitus, offering treatments based on a patient’s specific condition and severity. These specialists use specialized equipment to assess the cause and extent of hearing impairments, employing tools like audiometers to evaluate the range of frequencies and volumes a person can hear. In addition, audiologists counsel patients and their families, providing advice on managing and adapting to hearing loss.

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

Audiologist

Taxonomy Code
231H00000X
Type
Speech, Language and Hearing Service Providers
License No.
23002959A
License State
IN
Taxonomy Description
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

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)
1231H00000XSpeech, Language and Hearing Service Providers

Audiologist

147.012350 (IL)

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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 1861325433, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

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 + 1 + 0 + 4 + 6 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1861325433.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Physician Assistant
10855 VIRGINIA ST
CROWN POINT, IN 46307
Dietitian, Registered
10855 VIRGINIA ST
CROWN POINT, IN 46307
Emergency Medicine
10855 VIRGINIA ST
CROWN POINT, IN 46307
Internal Medicine (Gastroenterology)
10855 VIRGINIA ST
CROWN POINT, IN 46307
Physician Assistant
10855 VIRGINIA ST
CROWN POINT, IN 46307
Audiologist
10855 VIRGINIA ST
CROWN POINT, IN 46307
Internal Medicine (Cardiovascular Disease)
10855 VIRGINIA ST
CROWN POINT, IN 46307
Family Medicine
10855 VIRGINIA ST
CROWN POINT, IN 46307
Dietitian, Registered
10855 VIRGINIA ST
CROWN POINT, IN 46307
General Acute Care Hospital
10855 VIRGINIA ST
CROWN POINT, IN 46307
Radiology (Radiation Oncology)
10855 VIRGINIA ST
CROWN POINT, IN 46307

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861325433, enumerated as an "individual" on June 04, 2026.

The provider is located at 10855 VIRGINIA ST CROWN POINT, IN 46307 and the phone number is (773) 702-1865.

Audiologist with taxonomy code 231H00000X.