IndividualActive
David Clark, PH.D.
NPI 1649383902 · Clinical Psychologist · Winnetka, IL
David Clark, PH.D. is a Clinical Psychologist provider in Winnetka, IL (NPI 1649383902).
Provider details
- NPI number
- 1649383902
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 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
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
552 Lincoln Ave Ste 205
Winnetka, IL 60093-2353
Phone: (312) 543-9987
Fax: (847) 501-3857
Street-level locationGet directions
Mailing address
1004 Ash St
Winnetka, IL 60093-2102
Registry dates
- Enumerated
- 2006-08-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Clark's NPI number?
- David Clark's National Provider Identifier (NPI) is 1649383902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Clark's specialty?
- David Clark is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is David Clark located?
- David Clark's practice location on file with NPPES is 552 Lincoln Ave Ste 205, Winnetka, IL 60093-2353.
- What is David Clark's phone number?
- The practice phone number listed in the NPPES registry for David Clark is (312) 543-9987.
- Is David Clark's NPI active?
- Yes — David Clark's NPI (1649383902) 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.