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 Phoenix/Scottsdale, AZ 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 There are no doctors 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 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 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 There are no doctors whose last name begins with the letter O O active 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 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 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 1-2 out of 2 doctors available Last Name Initial: P Rahul Pannala, M.D. Gastroenterologist Phoenix, AZ Rochester, MN Areas of focus: Upper endoscopy, ERCP, Endoscopic ultrasound, Endoscopic sleeve gastroplasty, Pancreatic cancer, Obesity, Barrett's eso...phagus, Esophageal cancer Show more areas of focus for Rahul Pannala, M.D. Nahid Punjani, M.D., M.P.H. Urologist Phoenix, AZ Areas of focus: Vasectomy, Penile self-injection therapy, Testicular biopsy, Penile implant insertion, Penile rehabilitation, Vasectomy... reversal, Intralesional injection therapy, Varicocelectomy, Sperm collection for fertility treatment, Doppler ultrasound, Sexual dysfunction, Infertility, Spermatocele, Hydrocele, Erectile dysfunction, Peyronie's disease, Varicocele, Hypogonadism, Azoospermia, Phimosis Show more areas of focus for Nahid Punjani, M.D., M.P.H. Request an appointment Conditions treatedSpecialty groups Dec. 20, 2025 Share on: FacebookTwitter Early-Onset and Hereditary GI Cancers ProgramSectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchCosts & insuranceReferrals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchCosts & insuranceReferrals ORG-20562430 Medical Departments & Centers Early-Onset and Hereditary GI Cancers Program