NPPES file of Aug 9, 2026

Gayle Vincent Callahan, PHD

School Psychologist · Peoria, IL

Gayle Vincent Callahan, PHD is a school psychologist with a practice address in Peoria, Illinois, and NPI 1538262191, issued on Sep 7, 2006. Check the license 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
1538262191
Name
Gayle Vincent Callahan
Credential
PHD
Primary taxonomy
School Psychologist 103TS0200X
Practice location
6615 N Big Hollow RD, Peoria, IL 61615
Phone
(309) 692-6622
Enumerated
Sep 7, 2006
Record last updated
Sep 11, 2025
Fax
(309) 692-6952
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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Also registered at 6615 N Big Hollow RD

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

  1. Valerie Arnett, LCPCCounselor1326141946
  2. Michelle Baker, LCPC CADCCounselor1063515682
  3. Victoria Barragan, LPCProfessional Counselor1881472181
  4. Rudolf Breitmeyer, PHDPsychologist1174626790
  5. Maggie Classen, LCSWSocial Worker1194973404
  6. Patricia Edwards, LCSWSocial Worker1356444913

Verify Gayle Vincent Callahan 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

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School Psychologist providers in Illinois

There are 647 school psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 647 in Illinois → Every provider in Peoria →

Other school psychologist records in Illinois

  1. Kelly AdamikBrookfield, IL1508374521
  2. Anthony Adamowski, M.ED.Chicago, IL1194236471
  3. John Adams, PHD, NCSPBourbonnais, IL1033091947
  4. Cesar AdrianzenChicago, IL1003321043
  5. Mariela Aguilera, ED.D.Chicago, IL1386019487
  6. Debra Alier, M.ED.Springfield, IL1902510902
  7. Cynthia AllamianLombard, IL1801314166
  8. Jeremy Allen, SSP, NCSPChicago, IL1114816626
  9. Yvette AllenChicago, IL1508538232
  10. Yositara AlmeidaChicago, IL1316451941

Common questions

What is Gayle Vincent Callahan, PHD's NPI number?

Gayle Vincent Callahan, PHD's National Provider Identifier (NPI) is 1538262191, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gayle Vincent Callahan, PHD located?

The NPPES record lists a practice address at 6615 N Big Hollow RD, Peoria, IL, 61615. Phone: (309) 692-6622. Providers update this record themselves, so call before visiting.

How can I verify Gayle Vincent Callahan, 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. 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.