Unknown Individual – Hospitalist Physician, NPI 1558324871

Unknown Individual is a healthcare provider. based in Naperville, Illinois. specializing in Hospitalist Physician. They hold a License No. 036-083801 (IL). The NPI Number for Unknown Individual is 1558324871

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1558324871
Phone
(630) 527-5359
Address
801 S WASHINGTON ST
Deactivation Date
21 October 2023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience23
Completeness75
Years active:0State licenses:2Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • Edward Hospital, 801, South Washington Street, Naperville, DuPage County, Illinois, 60540, United States

    3RD FLOOR

    NAPERVILLE, IL 605407430

    Phone: (630) 527-5359

    Fax: (630) 527-5526

    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 60540)

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Reviews

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Frequently asked questions

What identifier follows Unknown Individual across health systems?
The NPI 1558324871 uniquely identifies Unknown Individual in U.S. healthcare data.
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 Hospitalist Physician for Unknown Individual. Clinical services aligned with this taxonomy classification.
What geographic area is tied to Unknown Individual?
Unknown Individual is associated with Naperville, Illinois 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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