Individual provider · Type 1 NPI

William Joseph Stephan, MD

Interventional Cardiology Physician · Naperville, IL

NPI number 1851344931 Active

Practice location

10 Martin Ave Ste 200
Naperville, IL 60540-6535

Call (630) 600-0700 Map

Fax (630) 600-0701

Specialties and licenses

TaxonomyCodeLicense
Cardiovascular Disease Physician 207RC0000X036.090607 (IL)
Interventional Cardiology Physician 207RI0011X036090607 (IL)
Interventional Cardiology Physician Primary 207RI0011X036.090607 (IL)

Interventional Cardiology Physician: An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

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About NPI 1851344931

William Joseph Stephan, MD's National Provider Identifier is 1851344931, issued on May 18, 2006. The primary taxonomy on file is Interventional Cardiology Physician (207RI0011X), and the practice location is in Naperville, IL. The record was last updated on Apr 24, 2025.