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 Rochester, MN Phoenix/Scottsdale, AZ 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 active 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 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 Find a doctor 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 1-8 out of 8 doctors available Last Name Initial: H Kristen L. Hanzel, M.D. Internist Rochester, MN Areas of focus: Fibrocystic breast disease Dana M. Harris, M.D. Internist Infectious Disease Specialist Jacksonville, FL Areas of focus: Diabetes, Heart disease, Arthritis, Hyperlipidemia Michael Hayden, M.D. Internist Phoenix, AZ Donald D. Hensrud, M.D., M.S. Internist Rochester, MN Areas of focus: Obesity, Nutrition (Healthy eating) Bob K. Horsley, M.D. Internist Phoenix, AZ Areas of focus: LGBT health care, Sexual dysfunction, Hepatitis C, Hepatitis B, HIV/AIDS, Erectile dysfunction, Sexually transmitted di...sease, Sexual and gender identity disorder Show more areas of focus for Bob K. Horsley, M.D. Michael J. Hovan, M.D. Family Physician Jacksonville, FL Areas of focus: Hospitalization, Skin problems Ryan T. Hurt, M.D., Ph.D. Internist Rochester, MN Areas of focus: Post-COVID-19 syndrome, Obesity, Short bowel syndrome, Malnutrition Richie K. Huynh, M.D. Internist Hospitalist Jacksonville, FL Areas of focus: Diabetes, Heart disease, Thyroid disease, Depression, Asthma, Urinary tract infection, High blood pressure, Obesity, Ar...thritis, COPD, Prediabetes, Pneumonia, Metabolic syndrome, High blood cholesterol, Anxiety disorder, Cellulitis, Metabolic disorders, Otitis, Hyperlipidemia, Geriatric depression Show more areas of focus for Richie K. Huynh, M.D. Request an appointment OverviewSpecialty groups Feb. 03, 2026 Share on: FacebookTwitter General Internal MedicineSectionsOverviewDoctorsSpecialty groupsClinical trialsResearchCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an AppointmentOverviewDoctorsSpecialty groupsClinical trialsResearchCosts & insuranceNews from Mayo ClinicReferrals ORG-20461600 Medical Departments & Centers General Internal Medicine Fuel groundbreaking medical research!Give TodayYour donation powers the future of medicine and helps save lives. Give Today