DIANA M OHANIAN PH.D.
NPI 1992578439
Psychologist in Chicago, IL

Active since November 06, 2023PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(888) 824-0200 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2024, Nov 6, 2023 (2 updates tracked since 2023).

About Diana M Ohanian Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA M OHANIAN PH.D. (NPI 1992578439) is an individual psychologist in Chicago, Illinois, licensed in Illinois (071021062) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Detroit, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1992578439
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDIANA M OHANIANCredential: PH.D.
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 6, 2023
Last NPPES UpdateJuly 15, 20252 updates tracked since enumeration
NPPES CertifiedJuly 15, 2025
NPI 1992578439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses Licensed in IL · 071021062 Licensed in MI · 6301019503
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedClinical NeuropsychologistTaxonomy 103G00000X
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X
Also ListedPsychologist · RehabilitationTaxonomy 103TR0400X
5841 S MARYLAND AVE, Chicago, IL 60637

Secondary Practice Location 1

Location 14201 Saint Antoine St Ste 4BDetroit, MI 48201-2153 · Phone (313) 745-4878 · Fax (313) 993-0282

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Diana M Ohanian Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5092253989
PECOS Enrollment IDI20250723002352
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Ohanian's NPI number?

The NPI number for Diana Ohanian is 1992578439. It was assigned to this individual provider in the NPPES registry on November 6, 2023.

Where is Diana Ohanian located?

Diana Ohanian practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (888) 824-0200.

What is Diana Ohanian's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Diana Ohanian enrolled in Medicare?

Yes. Diana Ohanian is registered in the Medicare PECOS enrollment system.

What insurance does Diana Ohanian accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and UnitedHealthcare list Diana Ohanian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diana Ohanian was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.