Our Physicians

Center for Imaging

Meet Our Physicians

At Sacred Heart Hospital’s Center for Imaging, we have board-certified radiologists, a board-certified interventional radiologist, a board-certified neuroradiologist and a board-certified interventional neurosurgeon.

Our Radiologists

Alicia Arnold, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: University of Michigan – Ann Arbor
Residency: Brigham and Women’s Hospital, Harvard Medical School – Boston, Resurrection Health Care - Chicago
Appointment Phone: (715) 717-4151

Mark Augustyn, MD

Medical X-Ray Consultants
Board Certified: Radiology and Neuroradiology
Medical School: Michigan State University
Residency: Ohio State University
Appointment Phone: (715) 717-4151

M. Thomas Edwards, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: University of Iowa
Residency: University of Iowa
Appointment Phone: (715) 717-4151

John Feldmeier, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: University of Wisconsin
Residency: St. Luke’s Medical Center, Milwaukee
Appointment Phone: (715) 717-4151

James Geraghty, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: University of Iowa
Residency: University of Iowa
Appointment Phone: (715) 717-4151

Peter Hanson, MD

Medical X-Ray Consultants
Board Certified: Radiology and Interventional Radiology
Medical School: University of Iowa
Residency: University of Utah
Appointment Phone: (715) 717-4151

Mark Southard, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: Medical College of Wisconsin, Milwaukee
Residency: St. Luke’s Medical Center, Milwaukee
Appointment Phone: (715) 717-4151

Michael Spak, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: Loyola University, Chicago
Residency: Loyola University, Chicago
Appointment Phone: (715) 717-4151

John Stien, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: Medical College of Wisconsin
Residency: Michigan State University
Appointment Phone: (715) 717-4151

Karl Stien, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: University of Michigan Medical School, Ann Arbor, MI
Residency: Eastern Virginia Medical School, Norfolk, VA and Brigham and Women’s Hospital, Boston, Massachusetts, an affiliate of Harvard Medical School
Appointment Phone: (715) 717-4151

Jacques Tham, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: Vanderbilt University, Nashville, TN
Residency: Beth Israel Deaconess Medical Center, Boston, MA
Fellowship: Interventional Radiology, Beth Israel Deaconess Medical Center
Appointment Phone: (715) 717-4151

Benjamin Whitis, MD

Medical X-Ray Consultants
Board Certified: Radiology
Medical School: University of Iowa
Residency: University of Utah
Appointment Phone: (715) 717-4151

Our Interventional Neurosurgeon

Phillip Porter, MD

Brain & Spine Institute
Board Certified: Neurosurgery
Medical School: University of Toronto
Residency: University of Toronto, Western Division Hospital
Appointment Phone: (715) 858-1777 or Toll Free: 1-866-39BRAIN