Roger Gronau, PHD
NPI 1992704225 · Psychologist · Woodstock, IL
Roger Gronau, PHD is a Psychologist provider in Woodstock, IL (NPI 1992704225).
Provider details
- NPI number
- 1992704225
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 1957-057 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
- 2005-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Roger Gronau's NPI number?
- Roger Gronau's National Provider Identifier (NPI) is 1992704225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Gronau's specialty?
- Roger Gronau is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Roger Gronau located?
- Roger Gronau's practice location on file with NPPES is 527 W South St, Woodstock, IL 60098-3756.
- What is Roger Gronau's phone number?
- The practice phone number listed in the NPPES registry for Roger Gronau is (815) 338-9199.
- Is Roger Gronau's NPI active?
- Yes — Roger Gronau's NPI (1992704225) 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.