Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Lee Anthony Dudley, DO

Emergency Medicine Physician in Chicago, IL · enumerated 2006.

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

National Provider Identifier

1215960026

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Registry record

Entity type Individual (Type 1)

Name Dr. Lee Anthony Dudley

Credential DO

Sex Male

Practice address Chicago, IL, 60615

Phone (773) 983-1635

Enumeration date Jul 8, 2006

Last updated in NPPES Nov 17, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 336.091115 (IL) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License Q5791 (TX) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 34008088 (OH) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 2012-02286 (NC) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License DO.1490 (AL) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License DO034849 (DC) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 2010025333 (MO) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 057958 (GA) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License H0064685 (MD) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License DOS-1111 (HI) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License DO0000001892 (TN) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036.129640 (IL) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

What specialty is Lee Dudley?

Lee Dudley is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-17.