NPPES file of Aug 9, 2026

Jeffrey Darrell Willard, PHD

Cognitive & Behavioral Psychologist · Lancaster, PA

Jeffrey Darrell Willard, PHD is a cognitive & behavioral psychologist with a practice address in Lancaster, Pennsylvania, and NPI 1336153154, issued on Jul 28, 2006. Check the license (Pennsylvania PS008966L, as entered in NPPES) with the Pennsylvania 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
1336153154
Name
Jeffrey Darrell Willard
Credential
PHD
Primary taxonomy
Cognitive & Behavioral Psychologist 103TB0200X
License number
PS008966L PA
Self-reported in NPPES; status is on the state search
Practice location
790 New Holland Ave, Lancaster, PA 17602
Phone
(717) 390-0353
Enumerated
Jul 28, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101101000591); 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 cognitive & behavioral psychologist records → All 99 in Pennsylvania → Look up another NPI →

Also registered at 790 New Holland Ave

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

  1. Tasneem Ali, MDChild & Adolescent Psychiatry Physician1215094685
  2. Koren Anderson, MA, LPCProfessional Counselor1184975161
  3. Joy Babil, BSCBehavior Analyst1710392766
  4. David Baker, PSYDPsychologist1861682072
  5. Marilyn Banks, MSW, CSWClinical Social Worker1326052432
  6. Debra BarrettMental Health Counselor1740846153

Verify Jeffrey Darrell Willard 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 PS008966L    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

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. Community Services Group IncHarrisburg, PA

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

Jeffrey Darrell Willard among 99 cognitive & behavioral psychologist records in Pennsylvania

Jeffrey Darrell Willard, PHD is one of 99 cognitive & behavioral psychologist records with a practice address in Pennsylvania. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 70% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated1999 · median 1989 among the 14 with a school on file
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TB0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cognitive & Behavioral Psychologist providers in Pennsylvania

There are 99 cognitive & behavioral psychologist records in Pennsylvania.

All 99 in Pennsylvania → Every provider in Lancaster → Cognitive & Behavioral Psychologist nationwide →

The 8 cognitive & behavioral psychologist records with the nearest ZIP codes

  1. Patti Fisher, PSYDLancaster, PA 176021508056706
  2. Barbara Kettering, PSYDLancaster, PA 176021235146788
  3. Anthony Marinucci, M.S.Lancaster, PA 176011396752853
  4. Jacqueline Sova, PHDLancaster, PA 176031518972058
  5. Kurt Olsen, PHDWilliamsport, PA 177011336155852
  6. Ardis Featherman, M.S.York, PA 174021134299597
  7. Debra Cole, PH.D.Danville, PA 178211922347590
  8. Kathryn Esquer, PSY.D.Lewisburg, PA 178371851600217

Common questions

What is Jeffrey Darrell Willard, PHD's NPI number?

Jeffrey Darrell Willard, PHD's National Provider Identifier (NPI) is 1336153154, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Darrell Willard, PHD located?

The NPPES record lists a practice address at 790 New Holland Ave, Lancaster, PA, 17602. Phone: (717) 390-0353. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Darrell Willard, PHD's license?

NPPES lists Pennsylvania license number PS008966L, 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. 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.