Jason Ness, PH.D.
NPI 1922233717 · Clinical Psychologist · Lake Zurich, IL
Jason Ness, PH.D. is a Clinical Psychologist provider in Lake Zurich, IL (NPI 1922233717).
Provider details
- NPI number
- 1922233717
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2043438 (IL)
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
17 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
- 2009-05-21
- Last updated
- 2011-05-26
Frequently asked questions
- What is Jason Ness's NPI number?
- Jason Ness's National Provider Identifier (NPI) is 1922233717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Ness's specialty?
- Jason Ness is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Jason Ness located?
- Jason Ness's practice location on file with NPPES is 1232 Thorndale Ln, Lake Zurich, IL 60047-2763.
- What is Jason Ness's phone number?
- The practice phone number listed in the NPPES registry for Jason Ness is (847) 812-4215.
- Is Jason Ness's NPI active?
- Yes — Jason Ness's NPI (1922233717) is active in the NPPES registry as of the last update on 2011-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.