NPPES file of Aug 9, 2026

Gregory Thomas Oswald, PSYD.

Clinical Psychologist · Plainfield, IL

Gregory Thomas Oswald, PSYD. is a clinical psychologist with a practice address in Plainfield, Illinois, and NPI 1770731119, issued on Aug 27, 2008. Check the license (Illinois 071.007747, 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
1770731119
Name
Gregory Thomas Oswald
Credential
PSYD.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
071.007747 IL
180.007747 IL
Self-reported in NPPES; status is on the state search
Practice location
24012 W Renwick RD, Plainfield, IL 60544
Phone
(815) 676-4688
Enumerated
Aug 27, 2008
Record last updated
Jan 6, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(815) 676-4498
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 24012 W Renwick RD

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

  1. Meghan CaringellaClinical Social Worker1134087018
  2. Lauren Harris, PSYDClinical Psychologist1750838629
  3. Clarice Jonela, M.S.S.A, L.C.S.W.Clinical Social Worker1477952836
  4. Sariette Ngandjo YepndjouoPsychiatric/Mental Health Nurse Practitioner1821680232
  5. Teresa Pecherek-Rogers, MDFamily Medicine Physician1114039831
  6. Michelle Peterson, PTPhysical Therapist1528203742

Verify Gregory Thomas Oswald 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 071.007747    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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Gregory Thomas Oswald among 3,947 clinical psychologist records in Illinois

Gregory Thomas Oswald, PSYD. 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 not. Its NPI, issued in 2008, is newer than 43% of them.

  • NPI issued2008 · 43% of these records are older, 53% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2015 · 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).

23 clinical psychologist records list a practice address in Plainfield

They are 23 of the 1,198 NPPES records with a practice address in Plainfield, and 3,947 clinical psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 clinical psychologist records with the nearest ZIP codes

  1. Robert Brucker, PSY.D.Plainfield, IL 605441841224748
  2. Kathleen Costello, PSY.DPlainfield, IL 605441437419371
  3. John Garlick, PSY. D.Plainfield, IL 605441174802417
  4. Kathryne Hatch, PSY.D.Plainfield, IL 605441508116658
  5. Matthew Lauer, PSY.D.Plainfield, IL 605441366775256
  6. Pamela Murphy, PSY.D.Plainfield, IL 605441598009425
  7. Charlene Pierce, PSYDPlainfield, IL 605441043383714
  8. Kelly Renzi, PSYDPlainfield, IL 605441912182304

Common questions

What is Gregory Thomas Oswald, PSYD.'s NPI number?

Gregory Thomas Oswald, PSYD.'s National Provider Identifier (NPI) is 1770731119, issued on Aug 27, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Thomas Oswald, PSYD. located?

The NPPES record lists a practice address at 24012 W Renwick RD, Plainfield, IL, 60544. Phone: (815) 676-4688. Providers update this record themselves, so call before visiting.

How can I verify Gregory Thomas Oswald, PSYD.'s license?

NPPES lists Illinois license number 071.007747, 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.