DR. CHARLES HENRY HANKS III
NPI 1043138654
Occupational Therapist - Mental Health in Kalamazoo, MI

NPI Status: Active since July 09, 2026

Contact Information

615 E CROSSTOWN PKWY
KALAMAZOO, MI
ZIP 49001
Phone: (269) 548-7747

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Occupational Therapist
Mental Health

About CHARLES HANKS

This page provides the complete NPI Profile along with additional information for Charles Hanks, a provider established in Kalamazoo, Michigan with a medical specialization in Occupational Therapist, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1043138654 assigned on July 2026. The practitioner's primary taxonomy code is 225XM0800X with license number 5201014659 (MI). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI: 1043138654
Provider Name: DR. CHARLES HENRY HANKS III
Gender: Male
Entity Type: Individual
Location Address: 615 E CROSSTOWN PKWY KALAMAZOO, MI 49001
Location Phone: (269) 548-7747
Mailing Address: 615 E CROSSTOWN PKWY KALAMAZOO, MI 49001
Mailing Phone: (269) 548-7747
Is Sole Proprietor?: No
Enumeration Date: 07-09-2026
Last Update Date: 07-09-2026
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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: Occupational Therapist Mental Health
Taxonomy Code: 225XM0800X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: 5201014659
License State: MI
Taxonomy Description: Occupational therapists provide treatment for people recovering from a mental or physical illness to regain their independence and stability and to engage in normal daily occupations (work, home, family life, school, leisure). Occupational therapists provide particular emphasis on interventions that result in improved quality of life and decrease hospitalization.

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 1043138654, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 4 → 8 1 → 2 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 2 + 3 + 1 + 6 + 6 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1043138654.