Search › Illinois › Diagnostic Radiology Physician
Howard O'Neil, M.D
NPI 1194701730 · on the registry since 2005
Practice
- Address
- 3815 Highland Ave
Radiology Department
Downers Grove, IL 60515 - Phone
- (630) 275-5900
- Organisation at this address
- Walgreen Co
Advocate Healthcare
Advocate Health Care
Good Samaritan Hospital
Anesthesiologists, Ltd.Inferred from a shared address, not stated in the registry. - Clinicians at this address
- 126
Registry record
- Primary taxonomy
- Diagnostic Radiology Physician
2085R0202X
- Licence states on file
- IL
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-07-13
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois