What is Chestnut Health Systems's NPI number?

Chestnut Health Systems's National Provider Identifier (NPI) is 1942576236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Chestnut Health Systems?

Chestnut Health Systems is classified in the NPPES registry as Substance Use Disorder Rehabilitation Clinic/Center (Ambulatory Health Care Facilities).

Where is Chestnut Health Systems located?

Chestnut Health Systems's practice location on file with NPPES is 50 Northgate Industrial Dr, Granite City, IL 62040-6805.

What is Chestnut Health Systems's phone number?

The practice phone number listed in the NPPES registry for Chestnut Health Systems is (618) 877-4420.

Who is the authorized official for Chestnut Health Systems?

The authorized official listed on Chestnut Health Systems's NPPES record is Gordon Anderson, Addictions Counselor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Chestnut Health Systems's NPI active?

Yes — Chestnut Health Systems's NPI (1942576236) is active in the NPPES registry as of the last update on 2012-03-30.

OrganizationActive

Chestnut Health Systems

NPI 1942576236 · Substance Use Disorder Rehabilitation Clinic/Center · Granite City, IL

Chestnut Health Systems is a Substance Use Disorder Rehabilitation Clinic/Center organization in Granite City, IL (NPI 1942576236).

Provider details

NPI number: 1942576236
Entity type: Organization
Primary specialty: Substance Use Disorder Rehabilitation Clinic/CenterAmbulatory Health Care Facilities
Organization subpart: No
Authorized official: Gordon Anderson, Addictions Counselor(618) 877-4420

Practice location

50 Northgate Industrial Dr

Granite City, IL 62040-6805

Phone: (618) 877-4420

Fax: (618) 877-9250

Street-level locationGet directions

More IL providers

Mailing address

50 Northgate Industrial Dr

Granite City, IL 62040-6805

Specialties & taxonomies

Substance Use Disorder Rehabilitation Clinic/CenterPrimary261QR0405X
Ambulatory Health Care Facilities

Profile Score

Detailed profile(80/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
14 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2012-03-30
Last updated: 2012-03-30

Frequently asked questions

What is Chestnut Health Systems's NPI number?: Chestnut Health Systems's National Provider Identifier (NPI) is 1942576236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Chestnut Health Systems?: Chestnut Health Systems is classified in the NPPES registry as Substance Use Disorder Rehabilitation Clinic/Center (Ambulatory Health Care Facilities).
Where is Chestnut Health Systems located?: Chestnut Health Systems's practice location on file with NPPES is 50 Northgate Industrial Dr, Granite City, IL 62040-6805.
What is Chestnut Health Systems's phone number?: The practice phone number listed in the NPPES registry for Chestnut Health Systems is (618) 877-4420.
Who is the authorized official for Chestnut Health Systems?: The authorized official listed on Chestnut Health Systems's NPPES record is Gordon Anderson, Addictions Counselor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Chestnut Health Systems's NPI active?: Yes — Chestnut Health Systems's NPI (1942576236) is active in the NPPES registry as of the last update on 2012-03-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions