Our Staff

AIMS is proud to include on its staff highly trained clinicians with years of experience in acute care of adult inpatients. Our staff members are all board certified or board eligible and all participate regularly as faculty in graduate and post-graduate medical education programs.


Rajika Lasitha Munasinghe, MD, MS, MBA, FACP
President, Academic Internal Medicine Specialists

Dr. Rajika Munasinghe is board certified in internal medicine, with a masters degree is biostatistics and epidemiology from the Medical College of Wisconsin and a MBA from the Broad College of Business at Michigan State University. Dr. Munasinghe completed his residency at Wayne State University, and now serves as a clinical associate professor at the school. He has been associate program director of the Internal Medicine Residency Program at Sinai-Grace since 2000. At AIMS, Dr. Munasinghe oversees the financial operations, information systems and strategic planning of the organization as well as providing inpatient hospital care. He recently earned his master's in business administration (MBA) from Michigan State University's Executive MBA Program.


Marc Feldman, MD, FACP
Senior Vice President

Dr. Marc Feldman is a board-certified internist with a specialty in geriatric medicine. A graduate of WSU School of Medicine, he has served as associate program director for the Internal Medicine Training Program at Sinai-Grace since 1994. Dr. Feldman has taught at WSU for more than 20 years and is clinical assistant professor of medicine at MSU School of Medicine. He continues to be the coordinator for medical grand rounds at Sinai-Grace.


Shazia Essani, MD
Senior Vice President

Dr. Shazia Essani is a board-certified internist and has been assistant program director of the Internal Medicine Residency Program at the hospital since 2005, conducting teaching rounds and lectures for medical students, interns and residents. She is clinical assistant professor at both WSU and MSU School of Osteopathic Medicine. After completing her residency in internal medicine at Sinai-Grace, Dr. Essani joined the teaching faculty at the hospital where she is also on staff today. She is also a clinical assistant professor at WSU.