Individual provider · Type 1 NPI

Howard K. O'Neil, MD

Diagnostic Radiology Physician · Downers Grove, IL

NPI number 1194701730 Active

Practice location

3815 Highland Ave, Radiology Department
Downers Grove, IL 60515-1500

Mailing address

520 E 22nd St
Lombard, IL 60148-6110

Specialties and licenses

TaxonomyCodeLicense
Diagnostic Radiology Physician Primary 2085R0202XNone listed

Diagnostic Radiology Physician: A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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About NPI 1194701730

Howard K. O'Neil, MD's National Provider Identifier is 1194701730, issued on Dec 15, 2005. The primary taxonomy on file is Diagnostic Radiology Physician (2085R0202X), and the practice location is in Downers Grove, IL. The record was last updated on Jul 13, 2026.