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Roy Houlahan, MD

NPI 1720011752 · on the registry since 2006

Practice

Address: 80 Templeton Dr
Oswego, IL 60543
Phone: (630) 554-3456
Organisation at this address: Dreyer Clinic, Inc
Advocate Health And Hospitals Corporation
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 42

Registry record

Primary taxonomy: Family Medicine Physician
207Q00000X
Licence states on file: IL
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2025-06-17

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