Dr. Donald Lloyd Whisler

Dr. Donald Whisler is a board-certified rheumatologist who also practices internal medicine, bringing 13 years of experience to his patient care. He earned his medical degree from the University of Toledo College of Medicine, where he developed his foundation in treating complex autoimmune and musculoskeletal conditions. Dr. Whisler speaks English and works closely with patients to manage chronic conditions that affect their daily lives.

Dr. Whisler practices at Santa Rosa Memorial Hospital and sees patients throughout Santa Rosa and Healdsburg, California. He specializes in treating rheumatoid arthritis and osteoarthritis, helping patients manage joint pain and inflammation. His expertise extends to various bone, joint, and muscle conditions that can significantly impact mobility and quality of life. Dr. Whisler is skilled in using autoinjectors and insulin pens for medication delivery, and he performs extremity X-rays to diagnose and monitor treatment progress.