10 Best Gastroenterologists in Phoenix

Michael R. Mills, M.D., is a Phoenix gastroenterologist whose consultations include detailed discussions of medical histories, concerns and treatment options. The practice suits patients seeking gastrointestinal evaluation, including those dealing with complicated or unresolved symptoms.

Patients who value a thorough explanation of choices and next steps may find that consultation style especially relevant when planning care.

David J. Drewitz, M.D. is a Phoenix gastroenterologist whose care includes consultations and colonoscopy-related procedures. The documented patient journey covers scheduling, medication delivery, preparation instructions, registration and post-procedure results. Dr. Drewitz is also described as explaining what a procedure involves, what it is looking for and possible complications, which suits patients who want questions addressed before and after care.

Eugene F. Tharalson, M.D. is a Phoenix gastroenterologist whose practice focuses on digestive-health care. Visits described in the evidence include reviewing medical files, recommending needed testing, discussing findings and explaining what to expect from upcoming procedures.

The practice suits patients who want time to ask questions and understand the next step in their care. A documented example involves a colostomy at a downtown clinic followed by an explanation of findings, while recurring descriptions emphasize attentive consultations and a straightforward check-in process.

Barbara J. MacCollum, M.D. is a Phoenix gastroenterologist whose care includes colonoscopy and diagnostic evaluation. Patient accounts describe appointments where concerns were heard and testing was used to clarify symptoms, as well as procedures supported by preoperative preparation, anesthesia, recovery and discharge instructions.

The practice suits patients seeking a gastroenterology physician for evaluation or colonoscopy care. The documented care pathway includes a procedure summary and follow-up guidance, giving patients a clear transition from the procedure room to recovery.

Adam C. Randolph, M.D. provides gastroenterology care in Phoenix, with upper GI endoscopy and colonoscopy among the procedures associated with the practice. Consultations can include reviewing medical history, addressing concerns and discussing treatment plans in understandable terms.

The practice suits patients seeking gastrointestinal evaluation or procedural care, including those preparing for a first colonoscopy. Appointments are required or recommended, making scheduling an important part of planning a visit.

Shifat Ahmed, M.D. is a gastroenterologist providing consultations and endoscopic care by appointment. The practice supports procedures such as colonoscopy and endoscopy, with preparation instructions, coordinated handoffs and follow-up information after care.

Dr. Ahmed’s approach centers on listening, explaining next steps and developing a treatment plan. Patients seeking evaluation for abdominal pain or gastrointestinal concerns may value the consultation format, while procedure patients can receive a report and, in one documented setting, accompanying images before discharge.

Southwest Gastroenterology provides gastroenterology care and performs procedures including endoscopy and colonoscopy. Visits can include symptom discussions, explanations of possible causes, treatment options, and planning for next steps. The practice offers on-site services and has on-site parking.

It suits patients preparing for a first procedure as well as those seeking evaluation of digestive symptoms. Doctors and staff explain procedures and findings in accessible terms, but patients should plan for an appointment-based process and may encounter repeated medical-history questions between online forms and arrival.

HonorHealth Gastroenterology - Deer Valley provides preventive care, diagnostics, and treatment for digestive and gastrointestinal health. Its clinical scope includes care for irritable bowel syndrome, Crohn’s disease and ulcerative colitis, celiac disease, colon cancer, ulcers, acid reflux, anemia or gastrointestinal bleeding, liver disease, pancreatic conditions, gallstones, and changes in bowel habits. Diagnostic and procedural services include upper endoscopy, colonoscopy, small-bowel capsule endoscopy, and endoscopic ultrasound. The Deer Valley office is on North 27th Avenue across from the Deer Valley Medical Center campus, and listed hours are Monday through Friday from 8 a.m. to 4:30 p.m.

HonorHealth Gastroenterology - Osborn provides preventive care, diagnostics and treatment for digestive and gastrointestinal health at Scottsdale Osborn Medical Center. Its listed care areas include gastrointestinal conditions, colitis and Crohn’s disease, irritable bowel syndrome, colon cancer, pancreatic and celiac disease care, diabetes management and other digestive concerns. Gastroenterology consultations may lead to procedures such as endoscopy or colonoscopy when clinically appropriate, with the office coordinating care through HonorHealth’s broader network. The practice suits adults seeking evaluation, ongoing management or procedure planning, and its location is on the east side of North Scottsdale Road in Old Town Scottsdale.

HonorHealth Gastroenterology - Shea provides preventive care, diagnostics, and treatment for digestive and gastrointestinal conditions in Scottsdale’s Gateway neighborhood. The practice addresses irritable bowel syndrome, Crohn’s disease and ulcerative colitis, celiac disease, acid reflux, ulcers, liver disease, pancreatic and gallbladder conditions, anemia, gastrointestinal bleeding, and colon cancer screening and prevention. Procedures listed include upper endoscopy, colonoscopy, small-bowel capsule endoscopy, and endoscopic ultrasound. This full-spectrum scope fits patients needing evaluation of digestive symptoms as well as ongoing management of diagnosed conditions. The office is appointment-based and located near Shea Medical Center, at the Scottsdale Gateway medical plaza on Mountain View Road and 92nd Street.