Unknown Individual – Internal Medicine Physician, NPI 1841266897

Unknown Individual is a healthcare provider. based in Deerfield, Illinois. specializing in Internal Medicine Physician. They hold a License No. 036071997 (IL). The NPI Number for Unknown Individual is 1841266897

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1841266897
Phone
(847) 444-0486
Address
420 LAKE COOK RD
Deactivation Date
21 July 2022
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

  • 420, Lake Cook Road, Deerfield, Lake County, Illinois, 60015, United States

    STE 106

    DEERFIELD, IL 600154914

    Phone: (847) 444-0486

    Fax: (847) 444-0487

    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.

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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 60015)

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Reviews

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Frequently asked questions

Can I use this page to confirm Unknown Individual's NPI?
Yes. Unknown Individual is listed with NPI 1841266897 in the public NPI dataset.
Is Unknown Individual excluded from programs when inactive?
The public NPI listing for Unknown Individual is not currently active; confirm directly with the practice or licensing boards.
What is Unknown Individual's specialty?
The listing groups Unknown Individual with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is Unknown Individual based?
Unknown Individual is tied to Deerfield, Illinois in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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