John Ewing Harris, PHD
Psychologist · Springfield, IL
John Ewing Harris, PHD is a psychologist with a practice address in Springfield, Illinois, and NPI 1558359828, issued on Oct 11, 2005. Check the license (Illinois 071005273, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Ewing Harris
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 071005273 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2921 Greenbriar Dr Ste B1, Springfield, IL 62704
- Phone
- (217) 546-3118
- Enumerated
- Oct 11, 2005
- Record last updated
- Feb 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (217) 546-3184
- Medicare enrollment
- Enrolled (PECOS I20080609000496); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest psychologist records → All 1,011 in Illinois → Look up another NPI →
Also registered at 2921 Greenbriar Dr Ste B1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheryl Reminger, PH.D.Clinical Psychologist1861650525
- Alicia Shapinsky, PH.D.Clinical Psychologist1952652331
Verify John Ewing Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 071005273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Psychological Services OF Central Illinois PCSpringfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Ewing Harris among 1,011 psychologist records in Illinois
John Ewing Harris, PHD 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated1975 · median 2001 among the 201 with a school on file
- Record last updated2021 · 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.
All 1,011 in Illinois → Every provider in Springfield → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Araceli CabarcasSpringfield, IL 627031992732788
- Eva Muller, PHDSpringfield, IL 627031669594560
- Geunyeong Pyo, PH.D.Springfield, IL 627021457339962
- Clarissa Richardson, PH.D.Springfield, IL 627011649764713
- Beverly Matthews, PSYDSpringfield, IL 627121558463760
- Kelly Dill, MA, CAGS, NCCBenton, IL 628121922618362
- David Weis, LCPCForsyth, IL 625351861503864
- Kathryn Fair, PHDDecatur, IL 625261679675490
Common questions
What is John Ewing Harris, PHD's NPI number?
John Ewing Harris, PHD's National Provider Identifier (NPI) is 1558359828, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Ewing Harris, PHD located?
The NPPES record lists a practice address at 2921 Greenbriar Dr Ste B1, Springfield, IL, 62704. Phone: (217) 546-3118. Providers update this record themselves, so call before visiting.
How can I verify John Ewing Harris, PHD's license?
NPPES lists Illinois license number 071005273, 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.
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.