NPPES file of Aug 9, 2026

Wendy J. Terwilliger, MA PSYCHOLOGIST

Psychologist · Clarion, PA

Wendy J. Terwilliger, MA PSYCHOLOGIST is a psychologist with a practice address in Clarion, Pennsylvania, and NPI 1861564569, issued on Nov 15, 2006. Check the license (Pennsylvania PS006309L, as entered in NPPES) with the Pennsylvania 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
1861564569
Name
Wendy J. Terwilliger
Credential
MA PSYCHOLOGIST
Primary taxonomy
Psychologist 103T00000X
License number
PS006309L PA
Self-reported in NPPES; status is on the state search
Practice location
1008 S 5TH Ave, Clarion, PA 16214
Phone
(412) 370-4891
Enumerated
Nov 15, 2006
Record last updated
Feb 23, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid IDs
007071710 PA
2257883 OH
Medicare enrollment
Enrolled (PECOS I20100115000818); 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 2,687 in Pennsylvania → Look up another NPI →

Also registered at 1008 S 5TH Ave

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Verify Wendy J. Terwilliger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license PS006309L    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 Pennsylvania license search

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Wendy J. Terwilliger among 2,687 psychologist records in Pennsylvania

Wendy J. Terwilliger, MA PSYCHOLOGIST is one of 2,687 psychologist records with a practice address in Pennsylvania. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 67% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated1987 · median 2004 among the 585 with a school on file
  • Record last updated2012 · 70% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Pennsylvania

There are 2,687 psychologist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,687 in Pennsylvania → Every provider in Clarion → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Jeanne Slattery, PH.D.Clarion, PA 162141891716288
  2. Kathy Meley, PSY.D.Cooksburg, PA 162171932270337
  3. Paul Clifford, PSYDKittanning, PA 162011952000168
  4. Carole Murphy, PHDKittanning, PA 162011619965605
  5. Rachele Spataro, MSKittanning, PA 162011518930684
  6. James Evans, PHDSharpsville, PA 161501649322173
  7. Fred Gallo, PHDHermitage, PA 161481629132279
  8. Deborah Mikita, MAHermitage, PA 161481689688087

Common questions

What is Wendy J. Terwilliger, MA PSYCHOLOGIST's NPI number?

Wendy J. Terwilliger, MA PSYCHOLOGIST's National Provider Identifier (NPI) is 1861564569, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wendy J. Terwilliger, MA PSYCHOLOGIST located?

The NPPES record lists a practice address at 1008 S 5TH Ave, Clarion, PA, 16214. Phone: (412) 370-4891. Providers update this record themselves, so call before visiting.

How can I verify Wendy J. Terwilliger, MA PSYCHOLOGIST's license?

NPPES lists Pennsylvania license number PS006309L, as entered by the provider. Search the Pennsylvania 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.