NPPES file of Aug 9, 2026

Gregory J. Harms, PSY.D., LCP

Clinical Psychologist · Chicago, IL

Gregory J. Harms, PSY.D., LCP is a clinical psychologist with a practice address in Chicago, Illinois, and NPI 1538579354, issued on May 1, 2014. Check the license (Illinois 071.009626, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1538579354
Name
Gregory J. Harms
Credential
PSY.D., LCP
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
071.009626 IL
180.008990 IL
20043088A IN
3500-57 WI
Self-reported in NPPES; status is on the state search
Practice location
655 W Irving Park RD, Chicago, IL 60613
Phone
(773) 528-1777
Enumerated
May 1, 2014
Record last updated
Jan 31, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20171025001982); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 clinical psychologist records → All 3,947 in Illinois → Look up another NPI →

Also registered at 655 W Irving Park RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shea AcottProfessional Counselor1134076268
  2. Gloria Arfelis, PSY.D.Psychologist1356378137
  3. Cyndy Boyd, PH.D.Clinical Psychologist1518082791
  4. Michael Bricker, PH.D., LCPClinical Psychologist1336305671
  5. Catherine Callahan, M.S., CCC-SLPSpeech-Language Pathologist1023135696
  6. Leigh Chethik, PHDClinical Psychologist1407973076

Verify Gregory J. Harms 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 071.009626    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Clarity Clinic LLCChicago, IL
  2. Davken Associates, P.C.Deerfield, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory J. Harms among 3,947 clinical psychologist records in Illinois

Gregory J. Harms, PSY.D., LCP is one of 3,947 clinical psychologist records with a practice address in Illinois. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 65% of them.

  • NPI issued2014 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2016 · median 2004 among the 1,081 with a school on file
  • Record last updated2019 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,478 clinical psychologist records list a practice address in Chicago

They are 1,478 of the 63,379 NPPES records with a practice address in Chicago, and 3,947 clinical psychologist records in Illinois.

All 3,947 in Illinois → Every provider in Chicago → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Laurie Belzer, PH.D.Chicago, IL 606131770606659
  2. Dianna Bolen, PSYDChicago, IL 606131417089293
  3. Cyndy Boyd, PH.D.Chicago, IL 606131518082791
  4. David Brooks, PH.D.Chicago, IL 606131174503403
  5. Nitaya Chawla, PSYDChicago, IL 606131184810186
  6. Leigh Chethik, PHDChicago, IL 606131407973076
  7. Nancy Curotto, PSY.DChicago, IL 606131144335571
  8. Kelly Ducheny, PSY.D.Chicago, IL 606131518173244

Common questions

What is Gregory J. Harms, PSY.D., LCP's NPI number?

Gregory J. Harms, PSY.D., LCP's National Provider Identifier (NPI) is 1538579354, issued on May 1, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gregory J. Harms, PSY.D., LCP located?

The NPPES record lists a practice address at 655 W Irving Park RD, Chicago, IL, 60613. Phone: (773) 528-1777. Providers update this record themselves, so call before visiting.

How can I verify Gregory J. Harms, PSY.D., LCP's license?

NPPES lists Illinois license number 071.009626, 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. Medicare files from data.cms.gov. 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.