Chaitanya K. Mamillapalli, MD

Jumana Abdelkarim, MD, provides care with the Springfield Clinic’s Endocrinology Department and sees seeing patients at Springfield Clinic Carpenter.Dr. Abdelkarim earned her medical degree from the University of Tripoli School of Medicine in Libya. She completed her residency and endocrinology fellowship at Southern Illinois University School of Medicine in Springfield."Since I was a kid, I always imagined myself being a doctor," says Dr. Abdelkarim. "When I see someone sick, I help and treat them, and it feels so good when they get better."The scope of her practice includes diabetes management as well as other lipid disorders and hormone and gland issues. She specializes in treating thyroid issues."A lot of younger patients are already dealing with thyroid issues," says Dr. Abdelkarim. "Treating it on the front end can help them for the rest of their lives."In her free time, she enjoys spending time with her family, going to different parks and, in the fall, visiting pumpkin patches.

Dr. Bradford West is board certified in Nephrology. He sub-specializes in transplants, polycystic kidney disease, kidney stone prevention and a number of the congenital kidney diseases.Top 10% Patient ExperienceThis provider ranks in the top 10% nationally in patient experience, based on scores from the "Care Provider Overall" question on surveys completed with Press Ganey.

Dr. Zhen completed her nephrology fellowship at Boston University School of Medicine in Boston, Mass., and her internal medicine residency at Nazareth Hospital in Philadelphia, Pa. She received her medical degree from the University of New England College of Osteopathic Medicine in Biddeford, Maine.Dr. Zhen knew she wanted to go into medicine at an early age. “Growing up, I had to go to many doctor appointments with my parents and grandparents to help translate,” says Dr. Zhen. “And I always admired the physicians and what they were able to do. In school, I also really enjoyed education and science. So I knew I wanted to go into medicine very early.”Dr. Zhen enjoys hiking and spending most of her free time outdoors.Top 10% Patient ExperienceThis provider ranks in the top 10% nationally in patient experience, based on scores from the "Care Provider Overall" question on surveys completed with Press Ganey.