DEFINITION of 'Preferred Provider Organization â PPO'. A type of health insurance arrangement that allows plan participants relative freedom to choose the doctors and hospitals they want to visit.
Dr. David M Keith, MD has a medical practice at 429 East Main Street, Union, SC 29379. Currently, Dr. David M Keith specializes in family practice in Union area and has over 42 years of experience in the field of medicine. He graduated from Medical University Of South Carolina College Of Medicine with his medical degree in 1976.
Dr. Calvin Ramsey is a male Internal Medicine Doctor (taxonomy code 207R00000X) located in Drew, Mississippi. Dr. Calvin Ramsey's NPI Number is #1508919648 and has been listed in the NPI registry for 11 years. Dr. Calvin Ramsey's practice location is listed as: 4213 Highway 49 Drew, MS 38737-9525 and can be reached via phone at (662) 247-1254.