Gary A. Maassen, M.D.
South County Internal Medicine
5034 Griffin Road,
St. Louis, MO 63128
Phone: 314-843-7333
Fax: 314-843-9946
Specialty
Internal Medicine
Certifications
American Board of Internal Medicine
Education
St. Louis University
St. Louis, MO
Residency
St. John's Mercy Medical Center
St. Louis, MO
Hospitals
Des Peres Hospital
Mercy Hospital South
St. Clare Hospital
Professional Notes
Dr. Maassen participated in Operation Desert Storm. He received the Air Force Achievement Medal, the United Nations Outstanding Unit Award, and a Service Medal.
Dr. Maassen has been selected by his peers for inclusion in Best Doctors in America ® from 2015 to 2020.
Dr. Maassen has been awarded Recognition by the National Committee for Quality Assurance (NCQA) and the American Diabetes Association for patient care in Diabetes. NCQA, in partnership with the American Diabetes Association, developed the Diabetes Recognition Program to recognize clinicians who have met standards demonstrating delivery of high quality care to patients with diabetes.
Dr. Maassen has been awarded Recognition by the National Committee for Quality and Assurance (NCQA) and the American Heart Association/American Stroke Association for patient care in heart disease and/or stroke. NCQA, in partnership with the American Heart Association/American Stroke Association, developed the Heart/Stroke Recognition Program to recognize clinicians who have met standards demonstrating delivery of high quality care to patients with cardiovascular disease and/or stroke.
Personal Notes
Dr. Maassen is married to a nurse and they have two children.
