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Administration

ACMC's administration displays a clear and passionate commitment to providing the best possible heathcare in the communities that we serve. They pursue ACMC's mission, vision and values with the same dedication shared by our staff.

 

President/CEO
Ronald L. Holmgren, M.D.

Ronald L. Holmgren, M.D. became President of Affiliated Community Medical Centers in June of 2000. With his medical expertise and leadership, he served as Medical Director at ACMC from 1980-1985 as well as on the Board of Directors from 1985-1994 and 1995-2000. He is also the president of Affiliated Community Health Foundation.

A graduate of St. John's University, Dr. Holmgren earned his medical degree from the University of Minnesota. He completed his residency in Family Practice at North Memorial Hospital. Dr. Holmgren joined ACMC-Willmar as a physician in 1977 and continues his active practice in the specialty of Family Medicine.

 

Medical Director
David A. Newcomer, D.O.

Dr. David Newcomer, D.O., became Medical Director of Affiliated Community Medical Centers in January 2007. He works closely with our physicians in managing their practice to help ensure the delivery of high quality accessible health care to our patients. This is accomplished through committee work as well as individual interactions with the physicians, department managers and Board of Directors. Some of Dr. Newcomer’s specific duties include: Physician Recruitment Director, coordinates inreach and outreach physicians, performs physician evaluations and represents physicians at the Board of Directors. "I'm proud to be part of the administrative leadership for such a high quality health care organization."

Originally from Rochester, Minnesota, Dr. Newcomer, a board certified internist, received his Doctor of Osteopathic Medicine degree in 1995 from the University of New England College of Osteopathic Medicine in Biddeford, Maine, and completed his residency in Internal Medicine from Gunderson Lutheran Medical Center in LaCrosse, Wisconsin. In 1998, Dr. Newcomer relocated to the Willmar area to practice medicine in a family-orientated community and has been a physician in the Internal Medicine Department at ACMC-Willmar ever since. He is also a board certified hospice and palliative care physician and has been the Medical Director for Rice Hospice since 2002.

 

Associate Medical Director
David M. Ross, M.D.

David M. Ross, M.D. became Associate Medical Director of Affiliated Community Medical Centers in January of 2005. As Associate Medical Director, Dr. Ross has worked on a number of projects including drug samples, access systems, physician recruiting, care-improvement and patient concerns. Dr. Ross serves on a number of committees and maintains a Board of Director’s position with the Affiliated Community Health Foundation.

When asked about ACMC's principles, Dr. Ross responded, "ACMC is guided by the principles of best quality, best access, and best coordination of care. By adhering to these principles, we are able to provide the exceptional healthcare service that defines ACMC."

A graduate of University of Iowa, Dr. Ross earned his medical degree from the University of Iowa School of Medicine. He completed his advanced training in family medicine at Northeast Iowa Family Practice Residency. Dr. Ross joined ACMC-Litchfield as a physician in 2002 and continues his active practice in the specialty of Family Medicine.

 

Medical Director - Care Management
Bernell J. Mellema M.D.

Our goals in care management involve seeking system improvements and ways to maintain and improve knowledge and information for providers and patients alike. This allows us to maintain the highest quality, with care delivered at appropriate cost and easy access with optimal patient satisfaction.

The ever-increasing rate of change in many aspects of healthcare make these goals more challenging but at the same time all the more important. Increased use of information technology is increasing ease of sharing information and applying guidelines involving the latest and best practices, as well as increasing patient safety.

Originally from Worthington, Minnesota, Dr. Mellema is a graduate of Dordt College in Sioux Center, Iowa. He completed his medical degree from the University of Minnesota and his advanced training in Family Medicine at Hennepin County General Hospital in Minneapolis. He joined ACMC-Willmar in 1976 and continues his active practice in Family Medicine. Dr. Mellema has been the Medical Director for Care Management at ACMC since 2001.

 

Administrator
Terry R. Tone

Terry R. Tone served as the Director of Operations at Affiliated Community Medical Centers (ACMC) from 1994-1999. He was named as the ACMC Administrator in 2000. He has served as the secretary/treasurer of Affiliated Community Health Foundation since 2001 and a Board member of ACHN since 1999.

A graduate of Luther College, Mr. Tone earned his B.A. degree in Biology/Chemistry. He earned a B.S. in Marketing and Management from Mankato State University. He also earned his M.B.A. in Finance from Mankato State.

Mr. Tone has served as Clinic Administrator for clinics in Mankato and Owatonna prior to coming to ACMC. He has also served on various state boards.