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 Gastroenterology and Hepatology Kidney Transplant Program Liver Transplant Program Transplant Center Doctors who treat this condition edit search filters Close Narrow your search By location Phoenix/Scottsdale, AZ By last name There are no doctors whose last name begins with the letter A A There are no doctors whose last name begins with the letter B B There are no doctors whose last name begins with the letter C C active Find a doctor 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 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 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 There are no doctors 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 There are no doctors 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 Find a doctor 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 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: D David D. Douglas, M.D. Gastroenterologist (Transplant Hepatologist) Internist Gastroenterologist Phoenix, AZ Areas of focus: Hepatitis B, Hepatitis C, Hepatitis infectious disease By Mayo Clinic Staff Request an Appointment at Mayo Clinic Diagnosis & treatment Sept. 24, 2022 Print Share on: FacebookTwitter Related Associated Procedures Liver biopsy Liver function tests Liver transplant News from Mayo Clinic Hepatitis B vaccine: What to know to protect yourself Dec. 13, 2022, 03:30 p.m. CDT Products & Services Book: Mayo Clinic Guide to Raising a Healthy Child Hepatitis BSymptoms & causesDiagnosis & treatmentDoctors & departments Research: It's All About Patients CON-20312399 Patient Care & Health Information Diseases & Conditions Hepatitis B