David Sisk, PHD, LCSW
NPI 1790096261 · Clinical Social Worker · Winnetka, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Sisk, PHD, LCSW is a Clinical Social Worker provider in Winnetka, IL (NPI 1790096261).
Provider details
- NPI number
- 1790096261
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD, LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 149-014323 (IL)
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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3033 W Touhy AveChicago, IL 60645-2833Phone: (773) 761-4550
Registry dates
- Enumerated
- 2010-06-29
- Last updated
- 2021-05-11
- Certified
- 2021-05-11
Frequently asked questions
- What is David Sisk's NPI number?
- David Sisk's National Provider Identifier (NPI) is 1790096261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sisk's specialty?
- David Sisk is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Sisk located?
- David Sisk's practice location on file with NPPES is 588 Lincoln Ave Ste 200, Winnetka, IL 60093-2308.
- What is David Sisk's phone number?
- The practice phone number listed in the NPPES registry for David Sisk is (773) 732-5073.
- Does David Sisk accept Medicare?
- David Sisk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Sisk's NPI active?
- Yes — David Sisk's NPI (1790096261) is active in the NPPES registry as of the last update on 2021-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.