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
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
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.
Practice location
Mailing address
Registry dates
- 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.