Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diana M Ohanian, PHD

Individual provider Clinical Neuropsychologist · NPI 1992578439

Diana M Ohanian, PHD is a Clinical Psychologist in Chicago, Illinois. Qualified in 2022, 4 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in Illinois and Michigan.

Years since qualifying
4
Licensed in
IL, MI
In the registry since
2023
Specialties on file
5
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone: (888) 824-0200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4201 Saint Antoine St Ste 4b, Detroit, MI 48201-2153 — (313) 745-4878

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 071021062 (IL)
Clinical Neuropsychologist Taxonomy 103G00000X
Psychologist Taxonomy 103T00000X · Licence 6301019503 (MI)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X
Rehabilitation Psychologist Taxonomy 103TR0400X

Record details

NPI number1992578439
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 6, 2023
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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