DR. DOUGLAS N WILLIAMS (PSY.D.) – Clinical Psychologist, NPI 1821087396

DR. DOUGLAS N WILLIAMS (PSY.D.) is a healthcare provider. based in West springfield, Massachusetts. specializing in Clinical Psychologist. They hold the professional credentials PSY.D.. They hold a License No. 4546 (MA). The NPI Number for DR. DOUGLAS N WILLIAMS (PSY.D.) is 1821087396

Main info

Male
Sole Proprietor
Name
DR. DOUGLAS N WILLIAMS (PSY.D.)
NPI
1821087396
Phone
(413) 734-2676
Address
380 UNION ST
Enumeration Date
18 October 2005
Last Update Date
9 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for DR. DOUGLAS N WILLIAMS (PSY.D.)

  • 380, Union Street, West Springfield, Hampden County, Massachusetts, 01107, United States

    SUITE 107

    WEST SPRINGFIELD, MA 010894123

    Phone: (413) 734-2676

    Fax: (413) 214-6400

    Type: Location

  • 9 ELLSWORTH RD

    BROAD BROOK, CT 060169682

    Phone: (413) 734-2676

    Fax: (413) 214-6400

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01089)

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Reviews

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Frequently asked questions

Can I verify DR. DOUGLAS N WILLIAMS (PSY.D.) with an NPI only?
You can start verification with NPI 1821087396 for DR. DOUGLAS N WILLIAMS (PSY.D.), then check state licensing separately.
Can I rely on DR. DOUGLAS N WILLIAMS (PSY.D.) being an active provider?
As of the registry snapshot, DR. DOUGLAS N WILLIAMS (PSY.D.) is marked active.
What healthcare role does DR. DOUGLAS N WILLIAMS (PSY.D.) hold?
Scheduling teams often label DR. DOUGLAS N WILLIAMS (PSY.D.) under Clinical Psychologist. Clinical services aligned with this taxonomy classification.
Where is DR. DOUGLAS N WILLIAMS (PSY.D.) based?
DR. DOUGLAS N WILLIAMS (PSY.D.) is tied to West Springfield, Massachusetts in the data we show; additional addresses may exist on the full record.
Is the information about DR. DOUGLAS N WILLIAMS (PSY.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."