Unknown Individual – Psychologist, NPI 1871596445

Unknown Individual is a healthcare provider. based in Holliston, Massachusetts. specializing in Psychologist. They hold a License No. 6937 (MA). The NPI Number for Unknown Individual is 1871596445

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1871596445
Phone
(508) 429-5133
Address
23 WATER ST
Deactivation Date
17 April 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience14
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • 23, Water Street, Holliston, Middlesex County, Massachusetts, 01746, United States

    HOLLISTON, MA 017462364

    Phone: (508) 429-5133

    Fax: (508) 429-8790

    Mailing address matches the actual address.

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.

This can happen when there are no reportable CMS Open Payments records.

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.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 01746)

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Reviews

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Frequently asked questions

What is the standard ID for Unknown Individual in the U.S.?
In the U.S., Unknown Individual is identified by NPI 1871596445.
What does inactive NPI status mean for Unknown Individual?
Inactive status means the NPI record is not marked active in the public file — verify before making care decisions.
How should patients interpret Unknown Individual's specialty?
The extract shows Psychologist for Unknown Individual. Clinical services aligned with this taxonomy classification.
What geographic area is tied to Unknown Individual?
Unknown Individual is associated with Holliston, Massachusetts in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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