Unknown Individual – Internal Medicine Physician, NPI 1811984222

Unknown Individual is a healthcare provider. based in Elmhurst, Illinois. specializing in Internal Medicine Physician. They hold a License No. 036064806 (IL). The NPI Number for Unknown Individual is 1811984222

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1811984222
Phone
(331) 221-9001
Address
172 SCHILLER
Deactivation Date
4 June 2021
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

  • 172, Schiller Street, Elmhurst, DuPage County, Illinois, 60126, United States

    ELMHURST, IL 601262885

    Phone: (331) 221-9001

    Type: Mailing

  • 303, West Lake Street, Addison, Addison Township, DuPage County, Illinois, 60101, United States

    ADDISON, IL 60101

    Phone: (331) 221-9001

    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.

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 60126)

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Reviews

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Frequently asked questions

What NPI should I save for Unknown Individual?
Save NPI 1811984222 if you need a stable reference for Unknown Individual.
What is the next step if Unknown Individual is inactive?
Treat inactive as a signal to verify Unknown Individual through official channels.
Does Unknown Individual list a primary specialty?
If you are matching referrals, note Internal Medicine Physician for Unknown Individual. Clinical services aligned with this taxonomy classification.
What location shows for Unknown Individual?
We surface Elmhurst, Illinois for Unknown Individual based on available NPPES addresses.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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