Dr. Alfred Johnson, MD is a gastroenterological surgery specialist in Merced, CA and has been practicing for 22 years. He graduated from Georgetown University School Of Medicine in 1987 and specializes in gastroenterological surgery, general surgery, and more! Dr. Glenn Idhe is a Board Certified General Surgeon and maintains a full-time practice at the Matagorda Medical Group. He studied at the University of Kansas School of Medicine, Kansas City, Kansas, and graduated in 1993.