NPPES file of Aug 9, 2026

Karen J. Regan, PSY.D.

Clinical Psychologist · Leeds, MA

Karen J. Regan, PSY.D. is a clinical psychologist with a practice address in Leeds, Massachusetts, and NPI 1144576281, issued on Jul 26, 2012. Check the license (Massachusetts 10348, as entered in NPPES) with the Massachusetts 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
1144576281
Name
Karen J. Regan
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
10348 MA
003930 CT
023462-01 NY
Self-reported in NPPES; status is on the state search
Practice location
421 N Main St, Leeds, MA 01053
Phone
(413) 584-4040
Enumerated
Jul 26, 2012
Record last updated
Aug 12, 2025
Medicare enrollment
Enrolled (PECOS I20161017000935); 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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8 nearest clinical psychologist records → All 3,185 in Massachusetts → Look up another NPI →

Also registered at 421 N Main St

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

  1. Alice Abbott, MDEndocrinology, Diabetes & Metabolism Physician1922096205
  2. Mohammed Ahmed, M.DInternal Medicine Physician1992734305
  3. Jacob Allen, PTPhysical Therapist1972013944
  4. James Ando, AU.D.Audiologist1093167785
  5. Callan AngrisaniSocial Worker1134805732
  6. Roselyne AruseiPsychiatric/Mental Health Nurse Practitioner1669228896

Verify Karen J. Regan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 10348    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 Massachusetts 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. Servicenet IncGreenfield, MA

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

Karen J. Regan among 3,185 clinical psychologist records in Massachusetts

Karen J. Regan, PSY.D. is one of 3,185 clinical psychologist records with a practice address in Massachusetts. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated2009 · median 2000 among the 777 with a school on file
  • Record last updated2025 · 71% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 clinical psychologist records list a practice address in Leeds

They are 21 of the 376 NPPES records with a practice address in Leeds, and 3,185 clinical psychologist records in Massachusetts.

All 3,185 in Massachusetts → Every provider in Leeds → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Alan Bernhardt, PH.D.Leeds, MA 010531508877044
  2. Emily Britton, PSY.D.Leeds, MA 010531831381912
  3. Scott Cornelius, PSY.D.Leeds, MA 010531770560104
  4. Ronald Delamater, PH.D.Leeds, MA 010531134229479
  5. Christoffer Grant, PHDLeeds, MA 010531194076588
  6. Jennifer Joyce, PSY. D.Leeds, MA 010531861793580
  7. Wendy LavalleyLeeds, MA 010531114038502
  8. Michelle Mattison, PSY.D.Leeds, MA 010531700990389

Common questions

What is Karen J. Regan, PSY.D.'s NPI number?

Karen J. Regan, PSY.D.'s National Provider Identifier (NPI) is 1144576281, issued on Jul 26, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karen J. Regan, PSY.D. located?

The NPPES record lists a practice address at 421 N Main St, Leeds, MA, 01053. Phone: (413) 584-4040. Providers update this record themselves, so call before visiting.

How can I verify Karen J. Regan, PSY.D.'s license?

NPPES lists Massachusetts license number 10348, as entered by the provider. Search the Massachusetts 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.