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 1619921665

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 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

50 Northgate Industrial Dr
Granite City, IL 62040-6805
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

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X · Licence 04023 (IL)

Record details

NPI number1619921665
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Megan Taylor — Managed Care Supervisor · (888) 924-3786
NPI enumeratedMay 22, 2006
Last updated in NPPESMarch 16, 2023
Certification dateMarch 16, 2023
Mailing address1003 Martin Luther King Dr, Bloomington, IL 61701-1429

Other providers in Granite City