Ellen Diamond, PSY. D.
NPI 1285744078 · Clinical Psychologist · Highland Park, IL
Ellen Diamond, PSY. D. is a Clinical Psychologist provider in Highland Park, IL (NPI 1285744078).
Provider details
- NPI number
- 1285744078
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY. D.
- Sex
- Female
- Sole proprietor
- Yes
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
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
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ellen Diamond's NPI number?
- Ellen Diamond's National Provider Identifier (NPI) is 1285744078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Diamond's specialty?
- Ellen Diamond is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ellen Diamond located?
- Ellen Diamond's practice location on file with NPPES is 1866 Sheridan Rd, Highland Park, IL 60035-2547.
- What is Ellen Diamond's phone number?
- The practice phone number listed in the NPPES registry for Ellen Diamond is (847) 433-3815.
- Is Ellen Diamond's NPI active?
- Yes — Ellen Diamond's NPI (1285744078) 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.