John Donald Williams, PH.D.
Clinical Psychologist · State College, PA
John Donald Williams, PH.D. is a clinical psychologist with a practice address in State College, Pennsylvania, and NPI 1467787093, issued on Oct 15, 2009. Check the license (Pennsylvania PS004377L, 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.
- Name
- John Donald Williams
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PS004377L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1315 W College Ave, State College, PA 16801
- Phone
- (814) 441-5738
- Enumerated
- Oct 15, 2009
- Record last updated
- Jun 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (814) 861-5163
- Entity
- Type 1 · individual
Also registered at 1315 W College Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Boswell, M.D.Child & Adolescent Psychiatry Physician1720085228
- Madeline HertzbergProfessional Counselor1437745544
- Courtney Kriley, LSWSocial Worker1003004458
- Marolyn Morford, PH.D.Clinical Child & Adolescent Psychologist1700883378
Verify John Donald Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license PS004377LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40 clinical psychologist records list a practice address in State College
They are 40 of the 1,543 NPPES records with a practice address in State College, and 2,597 clinical psychologist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 40 in State College → All 2,597 in Pennsylvania → Every provider in State College →
Other clinical psychologist records in Pennsylvania
- Sabra Abboud, PSY.D.York, PA1144406695
- David Abelsohn, PHDPlymouth Meeting, PA1467660589
- James Abiola, PSY.DHavertown, PA1255062048
- Darren Aboyoun, PHDEaston, PA1497718779
- Allison Abraham, PSY.D.Southampton, PA1164016929
- Allison Abrahamson, PSYDKing Of Prussia, PA1083100952
- Scott Abrams, PHDNew Hope, PA1801077011
- Iris Abreu, PH.D.Philadelphia, PA1760711147
- Erin Abrigo, PH.D.Philadelphia, PA1710380290
- Glenn Acker, M.S.Mount Gretna, PA1942451471
Common questions
What is John Donald Williams, PH.D.'s NPI number?
John Donald Williams, PH.D.'s National Provider Identifier (NPI) is 1467787093, issued on Oct 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Donald Williams, PH.D. located?
The NPPES record lists a practice address at 1315 W College Ave, State College, PA, 16801. Phone: (814) 441-5738. Providers update this record themselves, so call before visiting.
How can I verify John Donald Williams, PH.D.'s license?
NPPES lists Pennsylvania license number PS004377L, 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.