Our Doctors

Allergy

• Michael McCubbin, M.D.

Cardiology

• Dirk Versteeg, M.D.
• William Wickemeyer, M.D.

Dermatology

• Jennifer Palmer, M.D.

Diabetes Education

• Marsha Collins, PA-C, CDE

Ear-Nose-Throat

• Heidi Close, M.D.

Endocrinology

• Jaspreet Chahal, M.D.
• Thomas O'Dorisio, M.D.

Family Practice

• Mitch Blom, D.O.
• Rob Bruxvoort, M.D.
• Spencer Carlstone, MD
• Danielle Clark, D.O.
• David Fredrickson, M.D.
• Anne Hellbusch, D.O.
• John Kanis, D.O.
• Kevin Mace, D.O.
• Richard Posthuma, M.D.
• Todd Treimer, D.O.
• Galyn Vande Zande, D.O.
• Nancy Vander Broek, D.O.
• Craig Wittenberg, M.D.

General Surgery

• Matt Morgan, D.O.
• Mike Thompson, D.O.

Gynecology

• Dale Lensing, M.D., FACOG

Internal Medicine

• Ron Childerston, D.O.
• Doug Kanis, D.O.
• Robin Vande Voort, MD
• Dale Vander Broek, D.O.

Nephrology

• Bruce Buchsbaum, M.D.
• Johann Schmolk, M.D.

Neurology

• Todd Janus, Ph.D., M.D.

Obstetrics

• Rob Bruxvoort, M.D.
• Spencer Carlstone, MD
• David Fredrickson, M.D.
• Anne Hellbusch, D.O.
• John Kanis, D.O.
• Kevin Mace, D.O.
• Richard Posthuma, M.D.
• Galyn Vande Zande, D.O.
• Craig Wittenberg, M.D.

Occupational Medicine

• Tim Dykstra, MD
• Karen Emmert, PA-C

Oncology

• Mark Westberg, M.D.

Orthopedic Surgery

• Joe Galles, M.D.
• Ze-Hui Han, M.D.
• Mark Matthes, M.D.
• Daniel Vande Lune, M.D.

PA/Nurse Practitioner

• Marsha Collins, PA-C, CDE
• Diane DeJong, PA-C
• Karen Emmert, PA-C
• Julie Lautenbach, PA-C
• Jennifer Wadle, PA-C

Pathology

• Ashok Pradhan, M.D.

Perinatology

• Neil Mandsager, M.D.

Podiatry

• Collin Pehde, D.P.M.

Pulmonology

• Neil Horning, M.D.
• Michael McCubbin, M.D.

Radiology

• Lee Henry, D.O.

Sleep Disorders

• Michael McCubbin, M.D.
• Jason Wittmer, M.D.

Urgent Care/ED

• Matthew Doty, M.D.
• Tim Dykstra, MD
• Matthew Gritters, M.D.
• Jeffrey Hartung, D.O.
• Ryan Thoreson, D.O.

Urology

• Russell Bandstra, M.D.

Vascular Surgery

• Douglas Massop, M.D.