John Friedman, PH.D.
NPI 1053321836 · Clinical Psychologist · Chicago, IL
John Friedman, PH.D. is a Clinical Psychologist provider in Chicago, IL (NPI 1053321836).
Provider details
- NPI number
- 1053321836
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 071003076 (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
19 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
- 2006-08-08
- Last updated
- 2010-07-12
Frequently asked questions
- What is John Friedman's NPI number?
- John Friedman's National Provider Identifier (NPI) is 1053321836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Friedman's specialty?
- John Friedman is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Friedman located?
- John Friedman's practice location on file with NPPES is 30 N Michigan Ave, Chicago, IL 60602-3402.
- What is John Friedman's phone number?
- The practice phone number listed in the NPPES registry for John Friedman is (312) 750-9064.
- Is John Friedman's NPI active?
- Yes — John Friedman's NPI (1053321836) is active in the NPPES registry as of the last update on 2010-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.