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 Jacksonville, FL By last name There are no doctors 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 There are no doctors 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 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 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 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 1-1 out of 1 doctors available Last Name Initial: J Jeffrey R. Janus, M.D. Otolaryngologist Jacksonville, FL Areas of focus: Robotic surgery, Transnasal pituitary surgery, Thyroidectomy, Head and neck reconstruction, Transoral robotic surgery, ...Transnasal endoscopic procedure, Microvascular surgery, Parathyroidectomy, Parotid gland surgery, Head and neck cancer surgery, Neck surgery, Mouth cancer, Salivary gland tumor, Thyroid cancer, Throat cancer, Soft palate cancer, Parathyroid adenoma, Skull base tumor, Oropharyngeal cancer Show more areas of focus for Jeffrey R. Janus, M.D. Request an appointment Conditions treatedDoctors by location and specialty April 05, 2024 Share on: FacebookTwitter Otolaryngology (ENT)/Head and Neck SurgerySectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtySpecialty groupsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtySpecialty groupsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20424058 Medical Departments & Centers Otolaryngology (ENT)/Head and Neck Surgery