Print Departments and specialties 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. Departments that treat this condition Children's Center Clinical Genomics Endocrinology Gastroenterology and Hepatology Lung Transplant Program Otolaryngology (ENT)/Head and Neck Surgery Pediatric and Adolescent Medicine Pulmonary Medicine Thoracic Surgery Transplant Center Areas that research this condition Otolaryngology — Head and Neck Surgery Research Pediatric and Adolescent Medicine Research Doctors who treat this condition Edit search filters Close Narrow your search 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 There are no doctors whose last name begins with the letter G G There are no doctors whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I active Find a doctor whose last name begins with the letter J J There are no doctors whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L There are no doctors whose last name begins with the letter M M Find a doctor whose last name begins with the letter N N There are no doctors whose last name begins with the letter O O There are no doctors whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q There are no doctors whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S There are no doctors whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U There are no doctors 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 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: J Margaret M. Johnson, M.D. Critical Care Specialist Pulmonologist Jacksonville, FL Areas of focus: Bronchoscopy, Pulmonary embolism, Cystic fibrosis, Lung cancer, Nontuberculous mycobacteria lung disease, Asthma attack..., Bronchiectasis Show more areas of focus for Margaret M. Johnson, M.D. ResearchMayo Clinic researchers study genetics, causes, diagnostic tests and treatment options for cystic fibrosis. You may have the opportunity to participate in clinical trials. PublicationsSee a list of publications about cystic fibrosis by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine. Research Profiles Narrow your search By location Arizona Florida Minnesota View all View all physicians • Florida Lewis, Michele D. M.D. Florida By Mayo Clinic Staff Cystic fibrosis care at Mayo Clinic Request an appointment Diagnosis & treatmentCare at Mayo Clinic Nov. 23, 2021 Print Share on: FacebookTwitter Related Cystic fibrosis Cystic fibrosis FAQs Infographic: Lung Transplant for Cystic Fibrosis What is cystic fibrosis? A Mayo Clinic expert explains Show more related content Associated Procedures CT scan Genetic testing Home enteral nutrition Lung transplant MRI X-ray Show more associated procedures Products & Services Book: Mayo Clinic Family Health Book, 5th Edition Newsletter: Mayo Clinic Health Letter — Digital Edition Show more products and services from Mayo Clinic Mayo Clinic in Rochester, Minnesota, Mayo Clinic in Phoenix/Scottsdale, Arizona, and Mayo Clinic in Jacksonville, Florida, have been recognized among the top Pulmonology hospitals in the nation for 2022-2023 by U.S. News & World Report. Learn more about this top honor Cystic fibrosisSymptoms & causesDiagnosis & treatmentDoctors & departmentsCare at Mayo Clinic Research: It's All About Patients CON-20184360 Patient Care & Health Information Diseases & Conditions Cystic fibrosis