MR. WILLIAM R IRVIN M. ED., LPCC, LMHC
NPI 1902881600
Counselor - Mental Health in Louisville, KY
NPI Status: Active since December 14, 2005
Contact Information
7321 NEW LAGRANGE RD
SUITE 203
LOUISVILLE, KY
ZIP 40222
Phone: (502) 426-5106
Fax: (603) 457-2407
- Individual
- Male
- Counselor
- Mental Health
About WILLIAM IRVIN
This page provides the complete NPI Profile along with additional information for William Irvin, a provider established in Louisville, Kentucky with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1902881600 assigned on December 2005. The practitioner's primary taxonomy code is 101YM0800X with license number 39000072A (IN). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1902881600
- Provider Name
- MR. WILLIAM R IRVIN M. ED., LPCC, LMHC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 7321 NEW LAGRANGE RD SUITE 203 LOUISVILLE, KY 40222
- Location Phone
- (502) 426-5106
- Location Fax
- (603) 457-2407
- Mailing Address
- PO BOX 22578 LOUISVILLE, KY 40252
- Mailing Phone
- (502) 426-5106
- Mailing Fax
- (603) 457-2407
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-14-2005
- Last Update Date
- 09-11-2025
- Code Navigator
A mental health counselor like William Irvin provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.
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
Counselor Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 39000072A
- License State
- IN
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) |
|---|---|---|---|---|
| 1 | 101YP2500X | Behavioral Health & Social Service Providers | Counselor | KY-0017 (KY) |
Reviews for MR. WILLIAM R IRVIN M. ED., LPCC, LMHC
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1902881600, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
LOUISVILLE, KY 40222
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902881600, enumerated as an "individual" on December 14, 2005.
The provider is located at 7321 NEW LAGRANGE RD SUITE 203 LOUISVILLE, KY 40222 and the phone number is (502) 426-5106.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
