Leonard Bertheau

Leonard R Bertheau, DO

Family Practice
Office Phone: 503-255-3404

Clinical Interests

Preventive Medicine, Diabetes


Most major health plans accepted

Education and Training

Prof. Education:

Oklahoma State University College of Osteopathic Medicine, Tulsa OK


Firelands Regional Medical Center, Sandusky OH

Locations and Directions

10101 SE Main St.
Suite 1001
Portland, OR 97216 503-255-3404 Fax - 503-255-4750


Dr. Leonard Bertheau is a board certified family physician and a diabetologist. A native of the Pacific Northwest, Dr. Bertheau grew up in Vancouver, Washington and attended Washington State University. After medical school at Oklahoma State University, Dr. Bertheau completed a residency in family practice at Firelands Regional Medical Center in Sandusky, Ohio and a fellowship in diabetes care at Ohio University College of Osteopathic Medicine.

As a diabetologist, Dr. Bertheau cares for and manages treatment for diabetic patients and serves as the medical director for Adventist Medical Center’s Diabetes Center.

Dr. Bertheau lives in Vancouver with his wife and children. He loves watching his children’s sporting events in his free time.

10123 SE Market St, Portland, OR 97216(503) 257-2500