OrganizationActive
Il Dept. of Human Services
NPI 1104951201 · Psychiatric Hospital Unit · Chester, IL
Il Dept. of Human Services is a Psychiatric Hospital Unit organization in Chester, IL (NPI 1104951201).
Provider details
- NPI number
- 1104951201
- Entity type
- Organization
- Primary specialty
- Psychiatric Hospital UnitHospital Units
- Organization subpart
- No
- Authorized official
- Michelle Zimmer, Patient Resource Unit Supervisor(618) 826-4571
Specialties & taxonomies
Hospital Units
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1315 Lehmen Dr
Chester, IL 62233-2542
Phone: (618) 826-4571
Fax: (618) 826-3229
Street-level locationGet directions
Mailing address
1315 Lehmen Dr
Chester, IL 62233-2542
Other names (DBA / former)
- Other name
- Chester Mental Health Center, Unit C (8661)
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2022-07-21
Frequently asked questions
- What is Il Dept. of Human Services's NPI number?
- Il Dept. of Human Services's National Provider Identifier (NPI) is 1104951201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Il Dept. of Human Services?
- Il Dept. of Human Services is classified in the NPPES registry as Psychiatric Hospital Unit (Hospital Units).
- Where is Il Dept. of Human Services located?
- Il Dept. of Human Services's practice location on file with NPPES is 1315 Lehmen Dr, Chester, IL 62233-2542.
- What is Il Dept. of Human Services's phone number?
- The practice phone number listed in the NPPES registry for Il Dept. of Human Services is (618) 826-4571.
- Who is the authorized official for Il Dept. of Human Services?
- The authorized official listed on Il Dept. of Human Services's NPPES record is Michelle Zimmer, Patient Resource Unit Supervisor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Il Dept. of Human Services's NPI active?
- Yes — Il Dept. of Human Services's NPI (1104951201) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.