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 Endocrinology Doctors who treat this condition edit search filters Close Narrow your search By location Rochester, MN 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 There are no doctors 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 There are no doctors whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K There are no doctors whose last name begins with the letter L L active 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 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 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 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 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: M John C. Morris, III, M.D. Internist Endocrinologist Rochester, MN Areas of focus: Gene therapy, Graves' disease, Thyroid cancer, Hypothyroidism, Hyperthyroidism By Mayo Clinic Staff Request an Appointment at Mayo Clinic Diagnosis & treatment Dec. 10, 2022 Print Share on: FacebookTwitter Related Coconut oil: Can it cure hypothyroidism? Hypothyroidism and joint pain? Hypothyroidism diet Hypothyroidism symptoms: Can hypothyroidism cause eye problems? Hypothyroidism: Can calcium supplements interfere with treatment? Hypothyroidism: Should I take iodine supplements? Soy: Does it worsen hypothyroidism? Show more related content News from Mayo Clinic Mayo Clinic Q&A podcast: Overtreating an underactive thyroid Aug. 06, 2021, 01:21 p.m. CDT Overuse of levothyroxine in the United States June 28, 2021, 06:35 p.m. CDT 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 Hypothyroidism (underactive thyroid)Symptoms & causesDiagnosis & treatmentDoctors & departments Research: It's All About Patients CON-20154556 Patient Care & Health Information Diseases & Conditions Hypothyroidism (underactive thyroid)