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Meet Our Doctors

CiC provides experienced, innovative, highly trained, caring physicians to serve the community.

Joel R. Rainwater, MD

Chief Medical Officer
Fellowship: M.D. Anderson Cancer Center (Houston) – Vascular Interventional Radiology, Interventional Oncology
Residency: Duke University Medical Center – Radiology
Internship: Parkland Memorial Hospital – Internal Medicine
Medical School: University of Texas – Southwestern
Undergraduate: Baylor University


Aaron Frodsham, MD

Vascular & Interventional Radiology
Fellowship: Brown University
Residency: Yale-New Haven Hospital
Internship:Yale-New Haven Hospital
Medical School: University of Vermont College of Medicine


David Lopresti, MD

Vascular and Interventional Radiologist
Fellowship: University of California San Diego, Vascular and Interventional Radiology
Residency: Naval Medical Center, Radiology
Medical School: University of Colorado School of Medicine at Denver


Karen B. Garby, MD

Director of Venous Research and Treatment
Fellowship: Case Western Reserve University – Vascular Interventional Radiology
Residency: University of Missouri – Kansas City – Radiology
Medical School: Medical College of Georgia
Undergraduate: University of Georgia


Mathew Benjamin, MD

Internal Medicine
Residency: John H. Stroger Hospital of Cook County
Chief Residency: Mt Sinai Hospital – Medical Center
Medical School: Kottayam Medical College


Carl E. Ferguson, DO

Family and Internal Medicine
Fellowship: United States Air Force
Residency: Riverside Medical Group
Medical School: University of Oklahoma College of Medicine in Oklahoma City,


Michael Barry, DO, FACC

Interventional Cardiology
Fellowship: Good Samaritan Regional Medical School
Residency: University of Iowa Genetics
Medical School: University of Iowa Genetics
Undergraduate: Baylor University


CiC physicians are proud to be multiyear recipients of
Phoenix Magazine’s prestigious Top Doctor Award.

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