Doctors Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Find doctors and medical staff: Edit search filters close Narrow your search Doctor's Name, Condition Or Procedure By location Jacksonville, FL By last name Find a doctor whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D There are no doctors whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G active Find a doctor whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I Find a doctor whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M There are no doctors whose last name begins with the letter N N There are no doctors whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U Find a doctor whose last name begins with the letter V V Find a doctor whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z By procedures performed No results found By spoken language No results found Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-1 out of 1 doctors available Last Name Initial: H John Haney, M.D., M.P.H. Cardiovascular Surgeon Transplant Surgeon Cardiothoracic Surgeon Jacksonville, FL Areas of focus: Aneurysm surgery, Extracorporeal membrane oxygenation, Heart transplant, Aortic valve repair and replacement, Tricuspid... valve repair and replacement, Mitral valve repair and replacement, Lung transplant, Coronary bypass surgery, Aortic root surgery, Septal myectomy, Heart surgery, Pericardiectomy, Lung surgery, Endarterectomy Show more areas of focus for John Haney, M.D., M.P.H. Request an appointment Conditions treatedSpecialty groups June 19, 2024 Share on: FacebookTwitter Mayo Clinic in Rochester, Minnesota, has been recognized as one of the top Cardiology & Heart Surgery hospitals in the nation for 2024-2025 by U.S. News & World Report. Learn more about this top honor Cardiovascular SurgeryDepartmenthomeSectionsOverviewRequest an appointmentTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20123409 Medical Departments & Centers Cardiovascular Surgery