NPPES file of Aug 9, 2026

John P. Baker, PHD

Psychologist · Champaign, IL

John P. Baker, PHD is a psychologist with a practice address in Champaign, Illinois, and NPI 1053643064, issued on Feb 2, 2010. Check the license 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
1053643064
Name
John P. Baker
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
NO.2819-057 WI
Self-reported in NPPES; status is on the state search
Practice location
1802 S Mattis Ave, Champaign, IL 61821
Phone
(217) 365-2855
Enumerated
Feb 2, 2010
Record last updated
Jan 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110209000146); 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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Also registered at 1802 S Mattis Ave

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

  1. Kristine Anderson, PASurgical Physician Assistant1023037173
  2. Sari Aronson, M.D.Psychiatry Physician1750487179
  3. Melanie BaileyProfessional Counselor1639716624
  4. Jasmine Baines, LSWSocial Worker1629671508
  5. David Banayan, M.D.Psychiatry Physician1366883555
  6. Richard Blanks, M.D.Forensic Psychiatry Physician1669521480

Verify John P. Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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 one group practice

  1. Carle Health Care IncorporatedChampaign, IL

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

John P. Baker among 1,011 psychologist records in Illinois

John P. Baker, 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 2010, is newer than 44% of them.

  • NPI issued2010 · 44% of these records are older, 54% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated2006 · median 2001 among the 201 with a school on file
  • Record last updated2020 · 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).

23 psychologist records list a practice address in Champaign

They are 23 of the 2,445 NPPES records with a practice address in Champaign, and 1,011 psychologist records in Illinois.

The 8 psychologist records with the nearest ZIP codes

  1. Kimberly Collins, PH.D.Champaign, IL 618211568144111
  2. Muge DizenChampaign, IL 618211689018624
  3. Jacqueline EsslingerChampaign, IL 618211609456292
  4. Elaine Jacobson, PH.D.Champaign, IL 618211386777167
  5. Debra Jedd, PSYDChampaign, IL 618211659303063
  6. Phillipe Kleefield, MAChampaign, IL 618211740845585
  7. Dynesha Mason-Grissom, PH.D.Champaign, IL 618211043789688
  8. Rachael Rubin, PHDChampaign, IL 618211003456369

Common questions

What is John P. Baker, PHD's NPI number?

John P. Baker, PHD's National Provider Identifier (NPI) is 1053643064, issued on Feb 2, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John P. Baker, PHD located?

The NPPES record lists a practice address at 1802 S Mattis Ave, Champaign, IL, 61821. Phone: (217) 365-2855. Providers update this record themselves, so call before visiting.

How can I verify John P. Baker, PHD's license?

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.