Dr. Donald Ernest McMillan, MD

Dr. Donald McMillan is an internal medicine physician who graduated from Stanford University School of Medicine. With 69 years of experience in medicine, they have dedicated their career to providing comprehensive primary care for adult patients. Internal medicine physicians focus on the prevention, diagnosis, and treatment of diseases affecting internal organ systems in adults.

Dr. McMillan practices across multiple locations throughout Southern California, including Long Beach, Downey, Anaheim, Newport Beach, and Fountain Valley. Their extensive experience spans nearly seven decades of medical practice, during which they have developed expertise in managing complex medical conditions and coordinating patient care. The breadth of their practice locations allows them to serve diverse communities across the region.