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 There are no doctors whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C There are no doctors whose last name begins with the letter D D Find a doctor 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 There are no doctors 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 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 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 There are no doctors 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 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 1-7 out of 7 doctors available Steven C. Ames, Ph.D. Psychologist Jacksonville, FL Areas of focus: Mood disorder, Anxiety disorder, Generalized anxiety disorder Ivana T. Croghan, Ph.D. Rochester, MN Areas of focus: Stop smoking services Jon O. Ebbert, M.D. Internist Rochester, MN Areas of focus: Stop smoking services Muhamad Y. Elrashidi, M.D., M.H.A. Internist Rochester, MN Augustine S. Lee, M.D. Pulmonologist Critical Care Specialist Jacksonville, FL Areas of focus: Stop smoking services, Interstitial lung disease David D. McFadden, M.D. Internist Rochester, MN Areas of focus: Stop smoking services Karen L. Swanson, D.O. Internist Pulmonologist Critical Care Specialist Phoenix, AZ Areas of focus: Lung volume reduction surgery, Rigid bronchoscopy, Lung cancer, Hereditary hemorrhagic telangiectasia, Pulmonary hypert...ension Show more areas of focus for Karen L. Swanson, D.O. Request an appointment Tests & proceduresDoctors by specialty Sept. 09, 2025 Share on: FacebookTwitter Nicotine Dependence CenterSectionsRequest an appointmentOverviewTests & proceduresDoctorsDoctors by specialtyClinical trialsResearchCosts & insuranceReferrals SectionsRequest an appointmentOverviewTests & proceduresDoctorsDoctors by specialtyClinical trialsResearchCosts & insuranceReferrals ORG-20457516 Medical Departments & Centers Nicotine Dependence Center 3X your impact!Give Now!Your gift can go 3X as far to shape the future of cancer care. Give Now!