Unknown Individual – Clinical Genetics (M.D.) Physician, NPI 1639144900

Unknown Individual is a healthcare provider. based in Chicago, Illinois. specializing in Clinical Genetics (M.D.) Physician. The NPI Number for Unknown Individual is 1639144900

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1639144900
Phone
(312) 355-0732
Address
840 S WOOD ST
Deactivation Date
14 June 2021
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience15
Completeness75
Years active:0State licenses:0Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • 840, South Wood Street, Near West Side, Illinois Medical District, Chicago, Cook County, Illinois, 60608, United States

    12TH FLOOR, MC 856

    CHICAGO, IL 606124325

    Phone: (312) 355-0732

    Fax: (312) 355-0739

    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 60612)

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Reviews

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Frequently asked questions

What is the registry number for Unknown Individual?
The registry entry for Unknown Individual shows NPI 1639144900.
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.
What does the directory say Unknown Individual does?
Insurance directories may phrase it differently, but here Unknown Individual maps to Clinical Genetics (M.D.) 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.