Learn More About Our Doctors

Homing Yian, MD (Emeritus)

Dr. Yian has been a Board Certified Pediatrician since 1973. He graduated from the National Taiwan University College of Medicine. He finished his pediatric residency at New York College of Medicine and pediatric oncology or hematology fellowship at Albert Einstein College of Medicine in New York City, New York. Dr. Yian joined Dr. Howard Comstock’s practice in 1973. Dr. Yian is a member of the A.M.A., Michigan State Medical Society, and the American Academy of Pediatrics.

He is a clinical professor of the Department of Human Development at Michigan State University and is a recipient of the William B. Weil, Jr., M.D., Endowed Distinguished Pediatric Faculty Award in 2013. He has received a teaching award from the Department of Family Practice, Sparrow Hospital, Lansing, Michigan.

Dr. Yian is an experienced, well–rounded general pediatrician and has devoted most of his time to the care of any child who needs medical care. He is married and has three children. He enjoys playing tennis, golfing, and jogging. His hobbies include gardening, traveling, classical music and photography.

David J. Lipsitz, MD, MPH

Dr. Lipsitz has been a Board Certified Pediatrician since 1981, and he recertified in 2010. He holds an MD from the University of Michigan and completed his Pediatric Residency Program at the Children’s Hospital of Michigan, Detroit, Michigan. Dr. Lipsitz served four years in the United States Public Health Service in Gallup, New Mexico and Pueblo, Colorado and then completed his Masters of Public Health degree and post-residency fellowship at the University of Minnesota prior to moving to Michigan in 1986.

Dr. Lipsitz joined Pediatric Care of Lansing in July of 2007. He is a Fellow of the American Academy of Pediatrics.

Dr. Lipsitz grew up in the city of Detroit. He enjoys exercise in the form of walking, hiking, and biking. He does vegetarian cooking and also enjoys reading. He and his wife, Claudia, have two daughters and one grandchild.

Melissa P. Long, DO

Dr. Long has been a Board Certified Pediatrician since 2004 and recertified in 2011. She holds a Doctor of Osteopathic Medicine in Pediatrics from Michigan State University College of Osteopathic Medicine. She completed her Pediatric Residency Program at Michigan State University and Sparrow Hospital, Lansing, Michigan. Dr. Long also has a BS degree in Microbiology from Michigan State University.

She joined the team at Pediatric Care of Lansing in August of 2000.

Dr. Long is a member of the Michigan State University Alumni Association and is a Fellow of the American Academy of Pediatrics.

Dr. Long was born in Detroit, Michigan and grew up in Bloomfield Hills, Michigan. She likes to play soccer, running, swimming, and reading. She loves Michigan State University sports, especially football and basketball. One of her favorite activities is volunteering at her children’s school. Dr. Long is married to Paul A. Long. They have 3 children together.

Cori A. Hemming, MD

Dr. Cori Hemming has been a Board Certified Pediatrician since 2011. She holds an MD from Wayne State University. She completed her Pediatric Residency Program at the Children’s Hospital of Michigan, Detroit, Michigan. She also has a BS degree in Microbiology from Michigan State University.

Dr. Hemming joined Pediatric Care of Lansing in August of 2012. She is a Fellow of the American Academy of Pediatrics.

Dr. Hemming enjoys music, including playing the piano, guitar, and singing. She is married and has one child and an identical twin sister.

Marlie Patel Campbell, DO

Dr. Marlie Campbell has been a board certified Pediatrician since 2022. She received her medical degree from Campbell University School of Osteopathic Medicine in North Carolina. She completed her Pediatric Residency with the University of Tennessee at the Chattanooga campus. Dr. Campbell also has a BS degree in human biology with a minor in religious studies from Michigan State University. Her professional interests include developmental pediatrics, genetic diseases and building relationships with growing families.

She joined the team at Pediatric Care of Lansing in August of 2022. She is a fellow of the American Academy of Pediatrics. 

Dr. Campbell is an East Lansing native who is excited to the area. She enjoys staying active: running, dancing, and weight training as well as rreading and spending time with her family. She loves to try new restaurants and cuisines. Her husband is also a physician who is currently training to be a Cardiologist.

Christopher Thompson, MD

Dr. Thompson grew up in Wisconsin, completed college and medical school in Minnesota, and moved to Lansing to complete his pediatric residency at Sparrow.

Dr. Thompson has published several academic papers, including in JAMA Pediatrics, the top journal for child health. This scientific work is inspired by his family — his grandfather was a surgeon who published in scientific journals in the 1930s. His wife is a professor of mechanical engineering at Michigan State. 

At home, he has two young daughters and enjoys camping, hiking, gardening, photography, and cooking projects.