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 Rochester, MN Phoenix/Scottsdale, AZ 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 Find a doctor whose last name begins with the letter E E Find a doctor whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H Find a doctor whose last name begins with the letter I I active 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 Find a doctor whose last name begins with the letter N N Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P Find a doctor 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 Find a doctor whose last name begins with the letter Y Y Find a doctor whose last name begins with the letter Z Z By conditions treated No results found 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 1-3 out of 3 doctors available Last Name Initial: J Arun L. Jayaraman, M.D., Ph.D. Echocardiographer Critical Care Specialist Anesthesiologist Phoenix, AZ Jeffrey B. Jensen, M.D. Critical Care Specialist Anesthesiologist Rochester, MN Areas of focus: Emergency care, Intensive care, General anesthesia administration, Hospitalization John Joerns, M.D. Internist Critical Care Specialist Transplant Pulmonologist Rochester, MN Areas of focus: Central venous catheterization, Bronchoscopy, Airway management, Chest tube placement, Thoracentesis, Lumbar puncture, ...Transplant disorder, Advanced lung disease, Transplant rejection Show more areas of focus for John Joerns, M.D. Conditions treatedDoctors by location and specialty June 19, 2024 Share on: FacebookTwitter Critical CareSectionsOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtyClinical trialsResearchNews from Mayo Clinic SectionsOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtyClinical trialsResearchNews from Mayo Clinic ORG-20399494 Medical Departments & Centers Critical Care Your gift holds great power – donate today! DonateMake your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine. Donate