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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. PETER CHARLES WILLIAMS, PH.D.

Active Sole Proprietor

DR. PETER CHARLES WILLIAMS, PH.D. is a Clinical Psychologist healthcare provider located in NEWBURYPORT, Massachusetts. NPI 1609926609 is currently active in the NPPES registry. Verify at CMS.

Clinical Psychologist · NEWBURYPORT, MA

Registration Details

NPI Number
1609926609
Provider Type
Individual
Gender
Male
NPI Issued
Jan 11, 2007 (19.561185810635 yrs)
Last Updated
Sep 11, 2025
Licenses
3525 (MA)
3525 (MA)
3525 (MA)
3525 (MA)
Sole Proprietor
Yes

Practice Information

Address
5 67TH ST
NEWBURYPORT, MA, 019504444
Browse MA providers · Browse ZIP 01950
Phone
9784653366
Fax
9784999922
Primary Specialty
Clinical Psychologist
103TC0700X
Additional Specialty
Clinical Neuropsychologist
Additional Specialty
Child, Clinical Psychologist
Additional Specialty
Clinical Psychologist

Other Clinical Psychologist Providers in NEWBURYPORT, MA

Name Credential NPI
DR. RUTH LESLIE FRITZ PSYD. 1033172697
DR. HOLLY R. COUNTS VANHOOSE PSY.D. 1659322949
DR. RONALD LONGPRE PSY.D. 1497797328
DONNA ROSEMARY MARKS PSY.D., R.N. 1376566919
DR. SUSAN E ALLEN ED.D. 1194820373
DR. HEIDI T. LILIENTHAL PSY.D. 1407912892
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.