DR. MICHAEL JOHN CLATCH PSY. D.
NPI 1720425044
Psychologist - Clinical in Glenview, IL

NPI Status: Active since May 28, 2013

Contact Information

2400 RAVINE WAY
SUITE 600
GLENVIEW, IL
ZIP 60025
Phone: (847) 730-3042
Fax: (847) 730-3382

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  • Individual
  • Male
  • Psychologist
  • Clinical

About MICHAEL CLATCH

This page provides the complete NPI Profile along with additional information for Michael Clatch, a provider established in Glenview, Illinois with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1720425044 assigned on May 2013. The practitioner's primary taxonomy code is 103TC0700X with license number 071.008602 (IL). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1720425044
Provider Name
DR. MICHAEL JOHN CLATCH PSY. D.
Gender
Male
Entity Type
Individual
Location Address
2400 RAVINE WAY SUITE 600 GLENVIEW, IL 60025
Location Phone
(847) 730-3042
Location Fax
(847) 730-3382
Mailing Address
2400 RAVINE WAY STE 600 GLENVIEW, IL 60025
Mailing Phone
(847) 730-3042
Mailing Fax
(847) 730-3382
Is Sole Proprietor?
Yes
Enumeration Date
05-28-2013
Last Update Date
05-13-2026
Code Navigator

A clinical psychologist like Michael Clatch assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
071.008602
License State
IL
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1720425044, 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
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
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 2 → 4 4 → 8 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 8 + 2 + 1 + 0 + 0 + 8 + 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 1720425044.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Dermatology
2400 RAVINE WAY, SUITE#400
GLENVIEW, IL 60025
Chiropractor
2400 RAVINE WAY, SUITE 300
GLENVIEW, IL 60025
Counselor (Professional)
2400 RAVINE WAY, SUITE 600
GLENVIEW, IL 60025
Chiropractor
2400 RAVINE WAY, SUITE 300
GLENVIEW, IL 60025
Counselor (Professional)
2400 RAVINE WAY
GLENVIEW, IL 60025
Counselor (Mental Health)
2400 RAVINE WAY, SUITE 600
GLENVIEW, IL 60025
Dentist
2400 RAVINE WAY, STE 500
GLENVIEW, IL 60025
Psychologist (Clinical)
2400 RAVINE WAY, SUITE 600
GLENVIEW, IL 60025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720425044, enumerated as an "individual" on May 28, 2013.

The provider is located at 2400 RAVINE WAY SUITE 600 GLENVIEW, IL 60025 and the phone number is (847) 730-3042.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.