Unknown Individual – Internal Medicine Physician, NPI 1003837725

Internal Medicine Physician

Unknown Individual is a healthcare provider. based in Frankfort, Illinois. specializing in Internal Medicine Physician. They hold a License No. 036-096408 (IL). The NPI Number for Unknown Individual is 1003837725

Main info

Organization

Inactive

31 Years Of Experience

Accepts Medicare Assignment

Name

Unknown Individual

NPI

1003837725

Phone

Not provided

Address

21200 S LAGRANGE RD

Deactivation Date

10 July 2025

Doctor Profile

Medical School Name

CHICAGO COLLEGE OF OSTEOPATHY

Secondary Phone

Graduation Year

1995 (31 years ago)

PAC ID

7214944479

Professional Enrollment ID

I20060313000449

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

Provider Addresses for Unknown Individual

21200 S LAGRANGE RD
SUITE 305
FRANKFORT, IL 604232003
Phone:
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 60423)

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Reviews

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Frequently asked questions

What is the standard ID for Unknown Individual in the U.S.?

In the U.S., Unknown Individual is identified by NPI 1003837725.

What happens when Unknown Individual's NPI is not active?

Public data lists Unknown Individual outside the active bucket for this identifier.

What does the directory say Unknown Individual does?

Insurance directories may phrase it differently, but here Unknown Individual maps to Internal Medicine Physician. Clinical services aligned with this taxonomy classification.

What city is tied to Unknown Individual?

The directory associates Unknown Individual with Frankfort, Illinois. Check all listed addresses for suites or satellite offices.

Can I verify credentials using only NPI?

NPI confirms identity in the directory; licensure and board certification require separate checks.