Unknown Individual – Internal Medicine Physician, NPI 1881664217

Unknown Individual is a healthcare provider. based in Wilbraham, Massachusetts. specializing in Internal Medicine Physician. They hold a License No. 42647 (MA). The NPI Number for Unknown Individual is 1881664217

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1881664217
Phone
(508) 595-0531
Address
PO BOX 925
Deactivation Date
23 April 2026
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience19
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • PO BOX 925

    JEFFREY KORFF MD

    WILBRAHAM, MA 010950925

    Phone: (508) 595-0531

    Fax: (508) 829-5367

    Type: Mailing

  • 264, Elm Street, Florence, Northampton, Hampshire, Massachusetts, 01063, United States

    JEFFREY KORFF MD

    NORTHAMPTON, MA 01060

    Phone: (413) 585-0039

    Fax: (413) 586-2148

    Type: Location

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 01095)

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Reviews

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Frequently asked questions

What number should I use to identify Unknown Individual for billing?
Administrative and clinical systems typically use NPI 1881664217 for Unknown Individual.
Should I call the clinic if Unknown Individual is inactive here?
If Unknown Individual looks inactive here, cross-check state licensing and the clinic website.
Which specialty label fits Unknown Individual?
NPPES ties Unknown Individual to Internal Medicine Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to Unknown Individual?
Unknown Individual is associated with Wilbraham, Massachusetts in the same public data insurers reference.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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