Dr. Nicholas Twidale, M.D.,PHD. Internal Medicine - Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 1701 W Avenue A, Elk City, OK 73644 Phone: 580-225-6220 Fax: 580-225-6399
Cardiovascular Disease: An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.