CHESTNUT HEALTH SYSTEMS, INC.
NPI 1992179642
Substance Abuse Rehabilitation Facility in Edwardsville, IL

NPI Status: Active since November 18, 2015

Contact Information

110 ROTTINGHAM CT
SUITE B
EDWARDSVILLE, IL
ZIP 62025
Phone: (618) 877-4420

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  • Organization
  • Substance Abuse Rehabilitation Facility

About CHESTNUT HEALTH SYSTEMS, INC.

This page provides the complete NPI Profile along with additional information for Chestnut Health Systems, Inc., a provider established in Edwardsville, Illinois operating as a Substance Abuse Rehabilitation Facility. The healthcare provider is registered in the NPI registry with number 1992179642 assigned on November 2015. The practitioner's primary taxonomy code is 324500000X. The provider is registered as an organization and their NPI record was last updated 11 years ago. The authorized official of this NPI record is Karen Rettick (Cfo)

NPI
1992179642
Provider Name
CHESTNUT HEALTH SYSTEMS, INC.
Entity Type
Organization
Location Address
110 ROTTINGHAM CT SUITE B EDWARDSVILLE, IL 62025
Location Phone
(618) 877-4420
Mailing Address
1003 MARTIN LUTHER KING DR BLOOMINGTON, IL 61701
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-18-2015
Last Update Date
11-18-2015
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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

Substance Abuse Rehabilitation Facility

Taxonomy Code
324500000X
Type
Residential Treatment Facilities
Taxonomy Description
A facility or distinct part of a facility that provides a 24 hr therapeutically planned living and rehabilitative intervention environment for the treatment of individuals with disorders in the abuse of drugs, alcohol, and other substances.

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

KAREN RETTICK

Authorized Official Title
CFO
Authorized Official Phone
(309) 827-6026

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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 1992179642, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
2
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 9 → 18 → 9 1 → 2 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 2 + 7 + 1 + 8 + 6 + 8 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1992179642.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992179642, enumerated as an "organization" on November 18, 2015.

The provider is located at 110 ROTTINGHAM CT SUITE B EDWARDSVILLE, IL 62025 and the phone number is (618) 877-4420.

Substance Abuse Rehabilitation Facility with taxonomy code 324500000X.