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Our
Physicians

The physicians on staff at St. Joseph's Hospital are specialty trained in a wide array of medical fields. In addition to having exceptional clinical skills and qualifications, our doctors are patient-focused. They not only care for patients— they care about them.

To search by physician's name, enter the last name below.

ANESTHESIOLOGY

David Johnson, MD
Phone: 715-726-4160

Roman Witkowsky, MD
Phone: 715-726-4160

CARDIOLOGY

Mahmoud Sharaf, MD
Phone: 715-831-4444

EMERGENCY MEDICINE

Infinity Healthcare Group, MD
Phone: 715-726-3220

FAMILY PRACTICE
FAMILY MEDICINE

Stephen F. Carlson, MD
Phone: 715-726-4100

Erik J. Dickson, MD
Phone: 715-239-6344

Kristie L. Gering, MD
Phone: 715-723-9138

Jill A. Hasenberg, DO
Phone: 715-723-9138

Paul M. Ippel, MD
Phone: 715-723-9138

Amrish Joseph, MD
Phone: 715-289-3102

Mary L. Landwehr, MD
Phone: 715-723-9138

Robert S. Lea, MD
Phone: 715-723-9138

Reynaldo Maniquiz, MD
Phone: 715-726-4100

Stacey J. Sperlingas, MD
Phone: 715-738-3700

Steven Steinmetz, MD
Phone: 715-723-9138

Elena Stringer, MD
Phone: 715-568-6220

Anna Francesca Valerio, MD
Phone: 715-289-3102

GENERAL SURGERY

Peter J. Cochrane, MD
Phone: 715-726-4100

Caesar R. Gonzaga, MD
Phone: 715-858-4747

William McDougall, MD
Phone: 715-726-4100

Subramanian Natarajan, MD
Phone: 715-726-4100

INTERNAL MEDICINE

Terry Benson, MD
Phone: 715-552-9796

James K. Bieging, MD
Phone: 715-726-4100

Edward Ebert, DO
Phone: 715-726-4100

Sandra J. Frohling, MD
Phone: 715-568-6220

OBSTETRICS AND GYNECOLOGY

Sara Cochrane, MD
Phone: 715-726-4163

Scott Julian, MD
Phone: 715-726-4163

Sharlene Kreitlow, MD
Phone: 715-726-4163

Robert Maslonkowski, MD
Phone: 715-726-4163

OCCUPATIONAL HEALTH
AND MEDICINE

Terry Neff, MD
Phone: 715-717-4944

Larry Studt, MD
Phone: 715-717-4944

Suzanne Wolf, NP
Phone: 715-717-4944

OPTHALMOLOGY

Jeffrey F. Brown, MD
Phone: 715-723-9375

Peter W. Holm, MD
Phone: 715-723-9375

Terrence D. McCanna, MD
Phone: 715-723-9375

ORTHOPEDICS AND
ORTHOPEDIC SURGERY

Brent Carlson, MD
Phone: 715-723-8514

Nathaniel Stewart, MD
Phone: 715-723-8514 & 715-832-1400

OTOLARYNGOLOGY

Rima DeFatta, MD
Phone: 715-717-6885

Robert DeFatta, MD
Phone: 715-717-6885

PATHOLOGY

David Durnick, MD
Phone: 715-717-7260

Greg C. Heiler, MD
Phone: 715-717-7260

Mark W. Hofer, MD
Phone: 715-717-7260

Robert V. Ridenour, III, MD
Phone: 715-717-7260

Robert V. Ridenour, Jr., MD
Phone: 715-717-7260

PEDIATRICS

Sharon Barkley, MD
Phone: 715-726-2131

William J. Barkley, MD
Phone: 715-726-2131

Jeremy Forster, MD
Phone: 715-726-2131

Kathryn K. Schaus, MD
Phone: 715-726-2131

Jenalin Uy, MD
Phone: 715-726-2131

Margaret A. Zander, MD
Phone: 715-726-2131

PULMONARY MEDICINE

Edward Ebert, DO
Phone: 715-726-4100

RADIOLOGY

Alicia Arnold, MD
Phone: 715-717-7280

Mark Augustyn, MD
Phone: 715-717-7280

M. Thomas Edwards, Jr., MD
Phone: 715-717-7280

John E. Feldmeier, MD
Phone: 715-717-7280

James J. Geraghty, MD
Phone: 715-717-7280

Peter Hanson, MD
Phone: 715-717-7280

Mark R. Southard, MD
Phone: 715-717-7280

Jan Stauss, MD
Phone: 715-717-7280

John C. Stien, MD
Phone: 715-717-7280

Karl E. Stien, MD
Phone: 715-717-7280

Jacques Tham, MD
Phone: 715-717-7280

Benjamin Whitis, MD
Phone: 715-717-7280

UROLOGY

James S. Iwakiri, MD
Phone: 715-835-6548

 

ABOUT OUR PHYSICIANS

More than 135 physicians round out our active, courtesy and consulting medical staff, although the specialists treating the majority of our patients are in the disciplines of family practice, internal medicine, general surgery, orthopedics, otolaryngology, pediatrics, emergency services, ophthalmology, urology and obstetrics-gynecology.

We are affiliated with Marshfield Clinic, one of the country's largest comprehensive medical systems, and OakLeaf Medical Network, a physician-directed health services network providing care in small, personalized settings throughout northwestern Wisconsin. Physicians from both organizations regularly admit, treat and consult at St. Joseph's Hospital. We hold contracts with physicians from other organizations as well, including those who provide our pathology services, emergency services and consultative psychiatric services.

We pride ourselves on delivering personalized, quality health care in a close-knit community. Our physicians also appreciate the size of our facility, which allows for more intimacy and time spent with patients.

FOR MORE
INFORMATION

Send us an email

COURTESY & CONSULTING MEDICAL STAFF

View our courtesy and consulting medical staff.