IndividualActive
Louis Weiss, PH.D.
NPI 1023160819 · Clinical Psychologist · Winnetka, IL
Louis Weiss, PH.D. is a Clinical Psychologist provider in Winnetka, IL (NPI 1023160819).
Provider details
- NPI number
- 1023160819
- 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(83/100 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
545 Lincoln Ave
Suite 15
Winnetka, IL 60093-2349
Phone: (847) 441-8567
Fax: (847) 441-4993
Street-level locationGet directions
Mailing address
545 Lincoln Ave
Winnetka, IL 60093-2349
Registry dates
- Enumerated
- 2007-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Louis Weiss's NPI number?
- Louis Weiss's National Provider Identifier (NPI) is 1023160819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Weiss's specialty?
- Louis Weiss is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Louis Weiss located?
- Louis Weiss's practice location on file with NPPES is 545 Lincoln Ave, Winnetka, IL 60093-2349.
- What is Louis Weiss's phone number?
- The practice phone number listed in the NPPES registry for Louis Weiss is (847) 441-8567.
- Is Louis Weiss's NPI active?
- Yes — Louis Weiss's NPI (1023160819) 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.