Lake Michigan Nephrology


Our physicians are board certified in Internal Medicine and Nephrology. They are also certified by American Society of Hypertension as Clinical Hypertension Specialists. All our physicians are available at our main and satellite locations. As a part of Lakeland Care Network they also provide nephrology consultation for our hospitalized patients at Lakeland Medical Center.


Katherine kwon MD

Languages: English

Residency: Internal Medicine, University of Virginia

Fellowship: Nephrology, University of Virginia

Medical Director, Fresenius Dialysis Unit, Benton Harbor, MI and Medical Director, Royalton Home Dialysis, Saint Joseph, MI


Oliver songlingco MD

Languages: English, Tagalog

Residency: Internal Medicine, Albert Einstein University, NY

Fellowship: Nephrology, Columbia University NY

Medical Director, Fresenius Dialysis Unit Niles, MI and Medical Director, Fresenius Dialysis Unit, Muskegon, MI


nurse practitioner

Terry Mehigan NP

Terry is an invaluable part of our dialysis team and works primarily at our three dialysis locations. Having the background of a dialysis nurse, he works in coordination with the physicians, nurses, dieticians and social workers to deliver seamless care to our dialysis patients.

Our team

Office staff pic.jpg

Office manager

Ronda Dunn

office staff

Melissa Varo

Khadijah Walker

Tracy Corzine

Priscilla Roberts

Tammy Hickman