NPPES file of Aug 9, 2026

Lynne Allison Williams, PHD

Psychologist · Lancaster, PA

Lynne Allison Williams, PHD is a psychologist with a practice address in Lancaster, Pennsylvania, and NPI 1619297181, issued on Jun 8, 2010. Check the license (Pennsylvania PS005083L, 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
1619297181
Name
Lynne Allison Williams
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
PS005083L PA
Self-reported in NPPES; status is on the state search
Practice location
1803 Oregon Pike, Lancaster, PA 17601
Phone
(717) 560-9969
Enumerated
Jun 8, 2010
Record last updated
Jun 8, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(717) 560-9553
Medicare enrollment
Enrolled (PECOS I20130426000067); 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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Also registered at 1803 Oregon Pike

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

  1. Anne Allgyer, LPCProfessional Counselor1720494123
  2. Bridget Asempapa, PHDProfessional Counselor1285418939
  3. Kristen Bascelli, MS, LPCProfessional Counselor1689987174
  4. Anne Beecher, LSWSocial Worker1174341630
  5. Andrew Bland, PHDPsychologist1417200817
  6. Melissa Boas, EDDCounselor1013800655

Verify Lynne Allison Williams 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 PS005083L
    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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Lynne Allison Williams among 2,687 psychologist records in Pennsylvania

Lynne Allison Williams, PHD 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 2010, is newer than 59% of them.

  • NPI issued2010 · 59% of these records are older, 39% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated1984 · median 2004 among the 585 with a school on file
  • Record last updated2010 · 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).

59 psychologist records list a practice address in Lancaster

They are 59 of the 5,378 NPPES records with a practice address in Lancaster, and 2,687 psychologist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Thomas Bartlett, PHDLancaster, PA 176011730163049
  2. Michael Boerger, MSLancaster, PA 176011720067184
  3. Janine Castle, PH.D.Lancaster, PA 176011780657502
  4. Bruce Eyer, MSLancaster, PA 176011740230937
  5. Jean Ferguson, MSLancaster, PA 176011093766123
  6. Elizabeth Hosterman, MALancaster, PA 176011720039852
  7. Robert Justice, PSYDLancaster, PA 176011265414445
  8. Ruth Kauffman, PHDLancaster, PA 176011578577342

Common questions

What is Lynne Allison Williams, PHD's NPI number?

Lynne Allison Williams, PHD's National Provider Identifier (NPI) is 1619297181, issued on Jun 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Lynne Allison Williams, PHD located?

The NPPES record lists a practice address at 1803 Oregon Pike, Lancaster, PA, 17601. Phone: (717) 560-9969. Providers update this record themselves, so call before visiting.

How can I verify Lynne Allison Williams, PHD's license?

NPPES lists Pennsylvania license number PS005083L, 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.

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.