Dr. William Halliday is a General Physician,Cardiologist and Internal …read moreMedicine in Downey 90241, Downey CA and has an experience of 56 years in these fields. Dr. William Halliday practices at Downey Regional Medical Center in Downey 90241, Downey CA.
Some of the services provided by the doctor are: Routine physical exams as well as sports clearance physical exams,Acute Coronary Syndrome,Third Degree Heart Block,Pacemaker Insertion or Replacement and Cardiac Ultrasound etc.read less