GREATER LAWN MENTAL HEALTH CENTER
NPI 1760474993
Clinic/Center - Mental Health (Including Community Mental Health Center) in Chicago, IL

NPI Status: Active since August 15, 2005

Contact Information

4150 W 55TH ST
GREATER LAWN MENTAL HEALTH CENTER
CHICAGO, IL
ZIP 60632
Phone: (312) 747-1020

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  • Organization
  • Clinic/Center
  • Mental Health (Including Community Menta...

About GREATER LAWN MENTAL HEALTH CENTER

This page provides the complete NPI Profile along with additional information for Greater Lawn Mental Health Center, a provider established in Chicago, Illinois operating as a Clinic/center, focusing in mental health (including community mental health center) . The healthcare provider is registered in the NPI registry with number 1760474993 assigned on August 2005. The practitioner's primary taxonomy code is 261QM0801X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Hillary Wang (Project Manager)

NPI
1760474993
Provider Legal Name
GREATER LAWN MENTAL HEALTH CENTER
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
4150 W 55TH ST GREATER LAWN MENTAL HEALTH CENTER CHICAGO, IL 60632
Location Phone
(312) 747-1020
Mailing Address
111 W WASHINGTON ST FL 4 CHICAGO, IL 60602
Mailing Phone
(312) 747-9443
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
08-15-2005
Last Update Date
04-03-2025
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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

Clinic/Center Mental Health (Including Community Mental Health Center)

Taxonomy Code
261QM0801X
Type
Ambulatory Health Care Facilities
License State
IL

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

HILLARY WANG

Authorized Official Title
PROJECT MANAGER
Authorized Official Phone
(312) 747-8878

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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 1760474993, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
7
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 4 → 8 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 2 + 0 + 8 + 7 + 8 + 9 + 1 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1760474993.

Other Providers at the Same Location


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

Counselor (Addiction (Substance Use Disorder))
4150 W 55TH ST
CHICAGO, IL 60632
Student in an Organized Health Care Education/Training Program
4150 W 55TH ST
CHICAGO, IL 60632
Community/Behavioral Health
4150 W 55TH ST
CHICAGO, IL 60632
Psychologist
4150 W 55TH ST
CHICAGO, IL 60632
Case Management
4150 W 55TH ST
CHICAGO, IL 60632
Counselor (Professional)
4150 W 55TH ST
CHICAGO, IL 60632
Counselor (Professional)
4150 W 55TH ST
CHICAGO, IL 60632
Social Worker
4150 W 55TH ST
CHICAGO, IL 60632

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1760474993, enumerated as an "organization" on August 15, 2005.

The provider is located at 4150 W 55TH ST GREATER LAWN MENTAL HEALTH CENTER CHICAGO, IL 60632 and the phone number is (312) 747-1020.

Clinic/Center with taxonomy code 261QM0801X and a focus in Mental Health (Including Community Mental Health Center).