Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Won K Lee, MD

Family Medicine Physician in Monmouth, IL · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1568520757

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Registry record

Entity type Individual (Type 1)

Name Won K Lee

Credential MD

Sex Male

Practice address 319 N Main St, Monmouth, IL, 61462

Phone (309) 734-3912

Fax (309) 734-4178

Enumeration date Dec 4, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1568520757 active?

Yes, as of the latest NPPES snapshot, NPI 1568520757 is active (record last updated 2025-09-11).

How do I verify Won Lee's NPI record?

Cross-check NPI 1568520757 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.