Illinois Department of Human Services
NPI 1083620827 · Psychiatric Hospital · Alton, IL
Enrolled with Medicare as Part a Provider - Hospital · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Illinois Department of Human Services is a Psychiatric Hospital organization in Alton, IL (NPI 1083620827).
Provider details
- NPI number
- 1083620827
- Entity type
- Organization
- Primary specialty
- Psychiatric HospitalHospitals
- Organization subpart
- No
- Authorized official
- Tonya Piephoff, Hospital Administrator(618) 474-3473
Specialties & taxonomies
Hospitals
Profile Score
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
Mailing address
Other names (DBA / former)
- Doing business as
- Alton Mental Health Center
- Doing business as
- Alton Mental Health Center
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2018-08-21
Frequently asked questions
- What is Illinois Department of Human Services's NPI number?
- Illinois Department of Human Services's National Provider Identifier (NPI) is 1083620827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Illinois Department of Human Services?
- Illinois Department of Human Services is classified in the NPPES registry as Psychiatric Hospital (Hospitals).
- Where is Illinois Department of Human Services located?
- Illinois Department of Human Services's practice location on file with NPPES is 4500 College Ave, Alton, IL 62002.
- What is Illinois Department of Human Services's phone number?
- The practice phone number listed in the NPPES registry for Illinois Department of Human Services is (618) 474-3800.
- Does Illinois Department of Human Services accept Medicare?
- Illinois Department of Human Services is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Illinois Department of Human Services?
- The authorized official listed on Illinois Department of Human Services's NPPES record is Tonya Piephoff, Hospital Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Illinois Department of Human Services's NPI active?
- Yes — Illinois Department of Human Services's NPI (1083620827) is active in the NPPES registry as of the last update on 2018-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.