Dr. Joseph M Longnecker specializes in family practice in Placentia area. Dr. Joseph M Longnecker, DO has a medical practice at 1041 East Yorba Linda Boulevard, Suite 306, Placentia CA, and has over 49 years of experience in the field of medicine. He graduated from Kirksville College Of Osteopathic Medicine with his medical degree in 1968. He is affiliated with numerous hospitals, including Placentia Linda Hospital (CA) and more. Dr. Longnecker is accepting new patients at his medical office and practice location in Placentia, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.