NPPES file of Aug 9, 2026

Diana M. Ohanian, PH.D.

Psychologist · Chicago, IL

Diana M. Ohanian, PH.D. is a psychologist with a practice address in Chicago, Illinois, and NPI 1992578439, issued on Nov 6, 2023. Check the license (Illinois 071021062, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992578439
Name
Diana M. Ohanian
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License numbers
071021062 IL
6301019503 MI
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
Nov 6, 2023
Record last updated
Jul 15, 2025
Medicare enrollment
Enrolled (PECOS I20250723002352); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychologist records → All 1,011 in Illinois → Look up another NPI →

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Verify Diana M. Ohanian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 071021062    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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Diana M. Ohanian among 1,011 psychologist records in Illinois

Diana M. Ohanian, PH.D. is one of 1,011 psychologist records with a practice address in Illinois. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2023, is newer than 85% of them.

  • NPI issued2023 · 85% of these records are older, 10% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated2022 · median 2001 among the 201 with a school on file
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Illinois

There are 1,011 psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,011 in Illinois → Every provider in Chicago → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Karuna Bahadur, LCSWChicago, IL 606371245359694
  2. Brian ColarChicago, IL 606371134879687
  3. Daniel FridbergChicago, IL 606371740691013
  4. Ilayna Mehrtens, PHDChicago, IL 606371548919632
  5. Jennifer WildesChicago, IL 606371437599636
  6. Pathia Williams, PH.D.Chicago, IL 606371316389760
  7. Mary Worden, PSYDChicago, IL 606371578546156
  8. Jennifer Vollman, PSYDChicago, IL 606381083137905

Common questions

What is Diana M. Ohanian, PH.D.'s NPI number?

Diana M. Ohanian, PH.D.'s National Provider Identifier (NPI) is 1992578439, issued on Nov 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Diana M. Ohanian, PH.D. located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Diana M. Ohanian, PH.D.'s license?

NPPES lists Illinois license number 071021062, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.