Dr. Oscar Guillermo Zambrano, M.D. Internal Medicine - Cardiovascular Disease Medicare: Medicare Enrolled Practice Location: 6513 Atlantic Ave, Bell, CA 90201 Phone: 323-581-1649 Fax: 323-581-3472
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.