Unknown Individual – Colon & Rectal Surgery Physician, NPI 1639276926

Unknown Individual is a healthcare provider. based in Chicago, Illinois. specializing in Colon & Rectal Surgery Physician. The NPI Number for Unknown Individual is 1639276926

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1639276926
Phone
(312) 864-5277
Address
1901 W HARRISON ST
Deactivation Date
10 September 2021
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience5
Completeness75
Years active:0State licenses:0Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • Fantus Health Center, 1901, West Harrison Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States

    JOHN STROGER HOSPITAL

    CHICAGO, IL 606123714

    Phone: (312) 864-5277

    Fax: (312) 864-9802

    Type: Location

  • 738, North Washington Avenue, Park Ridge, Maine Township, Cook County, Illinois, 60068, United States

    PARK RIDGE, IL 600682717

    Phone: (847) 825-3075

    Fax: (312) 864-9802

    Type: Mailing

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 60612)

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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 1639276926 for Unknown Individual.
Does inactive mean outdated data for Unknown Individual?
Inactive status means the NPI record is not marked active in the public file — verify before making care decisions.
What type of care does Unknown Individual provide?
Unknown Individual's profile centers on Colon & Rectal Surgery Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to Unknown Individual?
Unknown Individual shows a connection to Chicago, Illinois in registry-derived data.
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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