Osamuyi Idubor, DO, and Robert Marcum, MD, FCCP, have joined CHI Memorial Lung Care Associates, according to an announcement from CHI Memorial Medical Group. Dr. Idubor received his medical degree from Philadelphia College of Osteopathic Medicine in Suwanee, Georgia. He completed his internal medicine residency at Northside Hospital Gwinnett in Lawrenceville, Georgia, followed by a pulmonary disease fellowship at Eisenhower Medical Center in Rancho Mirage, California.
Dr. Marcum earned his medical degree from the Medical University of South Carolina in Charleston. His training includes an internal medicine residency at Keesler Air Force Base in Biloxi, Mississippi, and a fellowship in pulmonary disease and critical care medicine at Lackland Air Force Base in Texas. He is a fellow of the American College of Chest Physicians and has more than 30 years of experience treating patients in Chattanooga and Cleveland.
The two new physicians join Angelique Gross, MD; Sumit Patel, MD; Jesse Tucker, MD; Josue Mendoza, NP; Kristen Miranda, NP; Sandra Webb, NP; and Carole Johnson, NP at CHI Memorial Lung Care Associates. The practice operates at two locations: 725 Glenwood Drive, Suite E-500 in Chattanooga and 4700 Battlefield Parkway, Suite 360 in Ringgold.
According to the announcement: “Drs. Idubor and Marcum welcome new patients. To schedule an appointment or for more information, call 423-495-2635 or visit CHIMemorialMedicalGroup.org.”
CHI Memorial Medical Group is part of CHI Memorial—a nonprofit health care organization that offers services throughout southeast Tennessee and north Georgia through its network of physicians covering multiple specialties including family medicine and surgery.



