NPPES file of Aug 9, 2026

Douglas N. Williams, PSY.D.

Clinical Psychologist · West Springfield, MA

Douglas N. Williams, PSY.D. is a clinical psychologist with a practice address in West Springfield, Massachusetts, and NPI 1821087396, issued on Oct 18, 2005. Check the license (Massachusetts 4546, as entered in NPPES) with the Massachusetts 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
1821087396
Name
Douglas N. Williams
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
4546 MA
002545 CT
Self-reported in NPPES; status is on the state search
Practice location
380 Union St, West Springfield, MA 01089
Phone
(413) 734-2676
Enumerated
Oct 18, 2005
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(413) 214-6400
Medicaid ID
0524727 MA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 3,185 in Massachusetts → Look up another NPI →

Also registered at 380 Union St

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

  1. Rebecca Ashe, LICSWClinical Social Worker1184781783
  2. Rita McKenzie-Anderson, PH.D.Psychologist1922187566
  3. Daniel Pilachowski, LICSWClinical Social Worker1154454536
  4. Stephen Simmer, LICSWClinical Social Worker1326051491
  5. Linda Spataro, LICSWClinical Social Worker1508913732

Verify Douglas N. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 4546    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 Massachusetts license search

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Douglas N. Williams among 3,185 clinical psychologist records in Massachusetts

Douglas N. Williams, PSY.D. is one of 3,185 clinical psychologist records with a practice address in Massachusetts. 12% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 24% of these records are
  • Record last updated2007 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 clinical psychologist records list a practice address in West Springfield

They are 9 of the 1,214 NPPES records with a practice address in West Springfield, and 3,185 clinical psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,185 in Massachusetts → Every provider in West Springfield → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Erin CurroWest Springfield, MA 010891962882712
  2. Robert Ferguson, PH.D.West Springfield, MA 010891437264850
  3. Louis Gentile, PHDWest Springfield, MA 010891780701037
  4. Walter Mitchell, PSY.D.West Springfield, MA 010891326302977
  5. Jean Pao Wilson, PH.D.West Springfield, MA 010891598210171
  6. Frederick Smith, PH.D.West Springfield, MA 010891437184264
  7. Eric Strauss, PH.D.West Springfield, MA 010891770640831
  8. Charles Zanor, PH.D.West Springfield, MA 010891649343435

Common questions

What is Douglas N. Williams, PSY.D.'s NPI number?

Douglas N. Williams, PSY.D.'s National Provider Identifier (NPI) is 1821087396, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Douglas N. Williams, PSY.D. located?

The NPPES record lists a practice address at 380 Union St, West Springfield, MA, 01089. Phone: (413) 734-2676. Providers update this record themselves, so call before visiting.

How can I verify Douglas N. Williams, PSY.D.'s license?

NPPES lists Massachusetts license number 4546, as entered by the provider. Search the Massachusetts 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.