Gary Ristau, LCSW
NPI 1679691257 · Clinical Social Worker · Oakbrook Terrace, IL
Gary Ristau, LCSW is a Clinical Social Worker provider in Oakbrook Terrace, IL (NPI 1679691257).
Provider details
- NPI number
- 1679691257
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
83% 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
- 2007-03-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Ristau's NPI number?
- Gary Ristau's National Provider Identifier (NPI) is 1679691257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Ristau's specialty?
- Gary Ristau is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gary Ristau located?
- Gary Ristau's practice location on file with NPPES is 17w705 Butterfield Rd Ste B, Oakbrook Terrace, IL 60181-4363.
- What is Gary Ristau's phone number?
- The practice phone number listed in the NPPES registry for Gary Ristau is (630) 620-8322.
- Is Gary Ristau's NPI active?
- Yes — Gary Ristau's NPI (1679691257) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.