Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Chestnut Health Systems Inc

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1609144815

Chestnut Health Systems Inc is a Mental Health Clinic/Center (Including Community Mental Health Center) in Granite City, Illinois. Licensed in Illinois. Registered with an NPI since 2011.

Licensed in
IL
In the registry since
2011
Specialties on file
3
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

50 Northgate Industrial Dr
Granite City, IL 62040
Phone: (618) 877-4420
Fax: (618) 877-0904
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Substance Abuse Rehabilitation Facility (primary) Taxonomy 324500000X · Licence A-0126-0001-A (IL)
Mental Health Clinic/Center (Including Community Mental Health Center) Taxonomy 261QM0801X
Adult Mental Health Clinic/Center Taxonomy 261QM0850X

Record details

NPI number1609144815
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Megan Taylor — Managed Care Supervisor · (888) 924-3786
NPI enumeratedDecember 2, 2011
Last updated in NPPESMarch 16, 2023
Certification dateMarch 16, 2023
Mailing address1003 Martin Luther King Dr, Bloomington, IL 61701-1429

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