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 Jacksonville, FL 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 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 active 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 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 1-6 out of 6 doctors available Location: Rochester, MN Last Name Initial: P John G. Park, M.D. Critical Care Specialist Pulmonologist Sleep Medicine Specialist Rochester, MN Areas of focus: Oxygen therapy, Sleep apnea assessment, Oximetry, Nightmare disorder, Obstructive sleep apnea, Sleep disorders, Insomni...a, Tracheostomy complication, Respiratory failure, Sleep apnea, Snoring, Sleep terrors, Tracheostomy dependence, Sleep-related breathing disorder Show more areas of focus for John G. Park, M.D. Richard K. Patch, III, M.D. Internist Anesthesiologist Critical Care Specialist Rochester, MN Areas of focus: Intensive care, ARDS, Sudden cardiac arrest Nathan D. Peffley, M.D. Anesthesiologist Rochester, MN Kelly M. Pennington, M.D. Critical Care Specialist Transplant Pulmonologist Rochester, MN Areas of focus: Post-transplant care, Lung transplant, Post-transplant long-term care, Pre-transplant evaluation, Pulmonary valve repai...r and replacement, Advanced lung disease, COPD, Cystic fibrosis, Pulmonary hypertension, Interstitial lung disease, Pulmonary fibrosis, Hepatopulmonary syndrome, Pulmonary valve disease Show more areas of focus for Kelly M. Pennington, M.D. Steve G. Peters, M.D. Internist Pulmonologist Clinical Informaticist Rochester, MN Areas of focus: Transplant, Bone marrow transplant, Lung transplant Brian W. Pickering, M.B., B.Ch. Anesthesiologist Rochester, MN Areas of focus: Intensive care Conditions treatedDoctors by location and specialty Feb. 14, 2026 Share on: FacebookTwitter Critical CareSectionsOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtyClinical trialsResearchPatient storiesNews from Mayo Clinic SectionsOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtyClinical trialsResearchPatient storiesNews from Mayo Clinic ORG-20399494 Medical Departments & Centers Critical Care Deadline Extended5X My ImpactLast chance! Your gift today has 5X the power to fuel medical progress using AI. 5X My Impact