IndividualActive
Diane Stephenson, PH D
NPI 1558415034 · Clinical Psychologist · Oak Park, IL
Diane Stephenson, PH D is a Clinical Psychologist provider in Oak Park, IL (NPI 1558415034).
Provider details
- NPI number
- 1558415034
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH D
- Sex
- Female
- Sole proprietor
- No
- License
- 071004319 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
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
1101 Lake St
Ste 405h
Oak Park, IL 60301-1071
Phone: (708) 524-9513
Fax: (630) 604-1115
Approximate (ZIP-level) locationGet directions
Mailing address
930 Ontario St
Oak Park, IL 60302-1938
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2016-05-17
Frequently asked questions
- What is Diane Stephenson's NPI number?
- Diane Stephenson's National Provider Identifier (NPI) is 1558415034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Stephenson's specialty?
- Diane Stephenson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Diane Stephenson located?
- Diane Stephenson's practice location on file with NPPES is 1101 Lake St, Oak Park, IL 60301-1071.
- What is Diane Stephenson's phone number?
- The practice phone number listed in the NPPES registry for Diane Stephenson is (708) 524-9513.
- Is Diane Stephenson's NPI active?
- Yes — Diane Stephenson's NPI (1558415034) is active in the NPPES registry as of the last update on 2016-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.