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Mary Free Bed has a dynamic and growing faculty of physiatrists with compassion, skill and decades of specialized experience.

Those based on our Grand Rapids campus include:

  • Daniel Adams, D.O.
  • Kelly Armstrong, M.D.
  • Richard Ball, M.D. (Program Director, PM&R Residency)
  • Benjamin Bruinsma, M.D.
  • Daniel Fechtner, M.D.
  • Sam Ho, M.D.
  • Douglas Henry, M.D.
  • James Hudson, M.D.
  • Michael Jakubowski, M.D. (Chief Medical Officer)
  • Jeffrey Kramer, M.D.
  • Andrea Kuldanek, M.D. (Chief of Staff)
  • Christopher Morelli, D.O.
  • Rebecca Rajlich, M.D.
  • Christopher Rizik, D.O.
  • Meagan Smith, D.O.
  • Elizabeth Spaulding, M.D.
  • Colleen Sullivan, M.D.
  • Christian VandenBerg, M.D.
  • Carolyn Vollmer, M.D.
  • Lisa Voss, D.O.
  • Ralph Wang, M.D.
  • Stuart Yablon, M.D.

Click to read individual doctor biographies

Our Residents
Class of 2023

Dr. Nathan CarltonNathan Carlton, M.D.
Dr. Carlton graduated from Michigan State University College of Human Medicine and completed a transitional year at Spectrum Health, both in Grand Rapids


Dr. Gregory WhiteGregory White, D.O.
A graduate of A.T. Still University in Kirksville, Missouri, Dr. White completed an internship at Henry Ford Allegiance Health in Jackson, Michigan.


Dr. Jina LibbyJina Libby, D.O.
Dr. Libby is a graduate of Lake Erie College of Osteopathic Medicine in Greensburg, Pennsylvania. She completed her internship at Mercy Health St. Mary’s Hospital in Grand Rapids.

Dr. John Paul RizikJohn Paul Rizik, D.O.
Dr. Rizik earned his medical degree at Arizona College of Osteopathic Medicine at Midwestern University in Glendale, Arizona. He completed his internship at St. Joseph’s Mercy Hospital in Livonia, Michigan.


Class of 2022

Temilola Abdul, M.D.
Dr. Abdul is a graduate of the University of Wisconsin School of Medicine and Public Health in Madison, Wisconsin. She completed a pediatric residency followed by a physical medicine and rehabilitation clinical pharmacology research fellowship, both at Mayo Clinic in Rochester, Minnesota.


Nicholas Gut, M.D.
A graduate of St. George’s University School of Medicine in Grenada, West Indies, Dr. Gut completed transitional-year training at Mercy Health St. Mary’s in Grand Rapids.


Clayton Luyk, M.D.
Dr. Luyk attended medical school at Wayne State University School of Medicine in Detroit. He completed an internship at Spectrum Health/Michigan State University in Grand Rapids.


Yunna Sinskey, M.D.
Dr. Sinskey earned her medical degree from Dartmouth College Geisel School of Medicine in Hanover, New Hampshire, and completed an internship at Blake Medical Center in Bradenton, Florida.


Class of 2021

Elizabeth Aguila, M.D.
Dr. Aguila is a graduate of Rush Medical College in Chicago and completed an internship in internal medicine at St. Vincent Hospital in Worcester, Massachusetts.


Kelsey Darlington, M.D.
A graduate of Michigan State University College of Human Medicine in Grand Rapids, Michigan, Dr. Darlington completed an internship at Kaweah Delta Health Care District in Visalia, California.


Kyle Josephson, M.D.
Dr. Josephson completed medical school at Michigan State University College of Human Medicine and an internship at Spectrum Health, both in Grand Rapids, Michigan.


Brian McInerney, M.D.
Dr. McInerney attended medical school at the American University of the Caribbean School of Medicine in St. Maarten. He completed an internship in internal medicine at Nassau University Medical Center in in East Meadow, New York.

Alumni Outcomes
Class of 2020

Anthony Truong, M.D. – Interventional Spine, Michigan State University/Comprehensive Pain Specialists in Flint, Michigan

Physician Practice
Jason Coombs, D.O. – General rehabilitation, Trinity Health Hospital in Minot, North Dakota

Christopher Meadows, M.D. – General rehabilitation and outpatient musculoskeletal, St. Luke’s Rehabilitation Hospital in Spokane, Washington

Thomas Hordt, M.D. – General rehabilitation and consults, Mary Free Bed Rehabilitation Hospital