NPPES file of Aug 9, 2026

Kelley Callahan, PSY.D

Psychologist · Greenville, OH

Kelley Callahan, PSY.D is a psychologist with a practice address in Greenville, Ohio, and NPI 1780906206, issued on Feb 25, 2010. Check the license (Ohio 4466, as entered in NPPES) with the Ohio 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
1780906206
Name
Kelley Callahan
Credential
PSY.D
Primary taxonomy
Psychologist 103T00000X
License number
4466 OH
Self-reported in NPPES; status is on the state search
Practice location
212 E Main St, Greenville, OH 45331
Phone
(937) 548-1635
Enumerated
Feb 25, 2010
Record last updated
Oct 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(937) 548-1500
Medicare enrollment
Enrolled (PECOS I20231213001009); accepts Medicare assignment
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 psychologist records → All 1,529 in Ohio → Look up another NPI →

Also registered at 212 E Main St

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

  1. Joanne Beekhuizen, MSW, LISWClinical Social Worker1366595456
  2. Kathryn CampbellCase Manager/Care Coordinator1114747458
  3. Belinda Chaffins, PSY.D.Clinical Psychologist1528138302
  4. Layne ClaudySocial Worker1760215065
  5. Paul Czernik, LSWMental Health Counselor1598910739
  6. Sarah Depoy, LSWSocial Worker1780465310

Verify Kelley Callahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license 4466    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 Ohio 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. Layh And Associates IncYellow Springs, OH

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

Kelley Callahan among 1,529 psychologist records in Ohio

Kelley Callahan, PSY.D is one of 1,529 psychologist records with a practice address in Ohio. 18% 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 50% of them.

  • NPI issued2010 · 50% of these records are older, 48% newer
  • In a Medicare fileYes · 18% of these records are
  • In the CMS Doctors and Clinicians fileYes · 26% of these records are
  • Graduated1990 · median 2003 among the 393 with a school on file
  • Record last updated2020 · 67% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Ohio

There are 1,529 psychologist records in Ohio.

All 1,529 in Ohio → Every provider in Greenville → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Jeanna DavisGreenville, OH 453311447174198
  2. Marcia Emanuel, ED.D.Greenville, OH 453311699922500
  3. Megan GeorgeGreenville, OH 453311518367838
  4. Rachel Glass, M.ED.Greenville, OH 453311740680040
  5. David Lauffenburger, PSYCHOLOGISTGreenville, OH 453311497870430
  6. Jonathan DotiFairborn, OH 453241922317684
  7. Linda Hager, SCHOOL PSYCHOLOGISTEnglewood, OH 453221083039408
  8. Charles Dolph, PH.D.Cedarville, OH 453141598887994

Common questions

What is Kelley Callahan, PSY.D's NPI number?

Kelley Callahan, PSY.D's National Provider Identifier (NPI) is 1780906206, issued on Feb 25, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Kelley Callahan, PSY.D located?

The NPPES record lists a practice address at 212 E Main St, Greenville, OH, 45331. Phone: (937) 548-1635. Providers update this record themselves, so call before visiting.

How can I verify Kelley Callahan, PSY.D's license?

NPPES lists Ohio license number 4466, as entered by the provider. Search the Ohio 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.