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 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 active 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 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 Find a doctor 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: N Tathagat Narula, M.B.B.S., M.D. Critical Care Specialist Transplant Pulmonologist Jacksonville, FL Areas of focus: Lung transplant, Bronchoscopy, Post-transplant long-term care, Pre-transplant evaluation, COPD, Pulmonary hypertension,... Cystic fibrosis, Interstitial lung disease, Pulmonary fibrosis, Hepatopulmonary syndrome, Pulmonary valve disease, Advanced lung disease Show more areas of focus for Tathagat Narula, M.B.B.S., M.D. Darlene R. Nelson, M.D., M.H.P.E. Pulmonologist Rochester, MN Areas of focus: Bronchoscopy, Thoracentesis, Therapeutic bronchoscopy, COPD, Lung cancer, Lung nodule, Pneumothorax, Pleural effusion, ...Lung mass, Pleural disease Show more areas of focus for Darlene R. Nelson, M.D., M.H.P.E. Alexander S. Niven, M.D. Internist Pulmonologist Critical Care Specialist Rochester, MN Areas of focus: Shortness of breath Request an appointment Conditions treatedSpecialty groups June 24, 2023 Share on: FacebookTwitter Pulmonary MedicineDepartmenthomeSectionsOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an AppointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20397842 Medical Departments & Centers Pulmonary Medicine