Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Roy F Houlahan, MD

Individual provider Family Medicine Physician · NPI 1720011752

Roy F Houlahan, MD is a Family Practice in Oswego, Illinois. Graduated from Rush Medical College of Rush University in 1999, 27 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
27
Trained at
Rush Medical College of Rush University
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

80 Templeton Dr
Oswego, IL 60543-7000
Phone: (630) 554-3456
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036-107473 (IL)

Record details

NPI number1720011752
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESJune 17, 2025
Certification dateJune 17, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1999 (27 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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