Areas of Interest
Dr. Preston is an internal medicine physician who has practiced locally since 1989. A member of MaineGeneral Medical Center's active staff, he has special expertise in diabetes and diabetes complications, heart disease, heart failure and stroke. He is certified by the American Board of Internal Medicine.
- Harvard University, Boston, MA (1986), Medical School
- Beth Israel Deaconness Medical Center, Boston, MA, Internal Medicine
Maine Medical Association, American College of Physicians
- American Board of Internal Medicine, Internal Medicine