Unknown Individual – Internal Medicine Physician, NPI 1275519399

Unknown Individual is a healthcare provider. based in Chicago, Illinois. specializing in Internal Medicine Physician. They hold a License No. 036047397 (IL). The NPI Number for Unknown Individual is 1275519399

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1275519399
Phone
(708) 525-5008
Address
222 E PEARSON ST
Deactivation Date
14 August 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience24
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • Pearson on the Park, 222, East Pearson Street, Magnificent Mile, Near North Side, Chicago, Cook County, Illinois, 60611, United States

    UNIT 2705

    CHICAGO, IL 606117347

    Phone: (708) 525-5008

    Type: Mailing

  • 17850, Kedzie Avenue, Hazel Crest, Bremen Township, Cook County, Illinois, 60429, United States

    SUITE 3300

    HAZEL CREST, IL 604292058

    Phone: (708) 799-6055

    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 60611)

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Provider's Procedures

Unknown Individual performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PULMONARY DISEASEIL85610Blood test, clotting time11112

Reviews

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Frequently asked questions

Can I cross-check Unknown Individual using NPI 1275519399?
NPI 1275519399 belongs to Unknown Individual; compare other details if you need extra assurance.
Can Unknown Individual still bill if the NPI is inactive?
Do not rely on inactive status alone — contact the provider for confirmation.
What expertise is attributed to Unknown Individual?
Unknown Individual's specialty line reads Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with Unknown Individual?
Directory geography for Unknown Individual centers on Chicago, Illinois.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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