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Gastroenterology Fellowship Program

The Gastroenterology (GI) Fellowship Program at Mountain Vista Medical Center is a three-year, fully accredited osteopathic fellowship program designed to teach the art and science of gastroenterology to highly motivated and accomplished internists.

Applicants for fellowship training at Mountain Vista must have successfully completed a three-year general internal medicine residency. All program applicants should be board-certified or board-eligible in internal medicine. Board-eligible candidates will be expected to pass their internal medicine board exams before completing the fellowship.


The mission of the Mountain Vista Medical Center GI Fellowship Program is to transform a well-trained internist into a compassionate, ethical, clinical gastroenterologist who will provide the highest standards of care to patients with gastrointestinal, hepatobiliary and pancreatic illnesses. They will be proficient in the diagnosis and treatment of all GI illnesses and will be the best resource for patients and colleagues.

Fellowship Program Goals

Education goals of this residency program are guided by the American College of Osteopathic Internists. Goals for this program will be to ensure trainees master the Seven Core Competencies as outlined in the ACOI Basic Standards. The teaching faculty of this program is committed to train and supervise each resident trainee in the field of Internal Medicine.


The program curriculum is designed to provide fellows with training and experience that will demonstrate competency in the following areas:

  • Osteopathic principles and practice
  • Inpatient and outpatient gastroenterology medicine
  • Management of gastrointestinal, liver and hepatobiliary diseases
  • Gastrointestinal procedures and endoscopic activities
  • Diagnostic imaging and histology

Program Amenities

Mountain Vista equips the fellowship program with high-quality facilities and access to advanced technologies required to deliver a first-class training experience.

  • Designated conference rooms with teaching aids — including videoconferencing and other technologies.
  • Designated on-call rooms — including showers and phones.
  • Resident lounge, with full access to cafeteria food services.
  • Access to extensive electronic library resources (Midwestern University, Glendale).
  • Two-suite Endoscopy unit with state-of-the-art technology

Program Leadership

Program Director: Sudhakar A. Reddy, M.D.
Chief of Medical Staff, Mountain Vista Medical Center Sudhakar Reddy portrait

  • Board Certifications: Anatomic and clinical pathology, gastroenterology, internal medicine
  • Fellowship: University Of Pittsburgh Medical Center Presbyterian, Pittsburgh, Pennsylvania
  • Residency: Internal Medicine, Coney Island Hospital, Brooklyn, NY
  • Residency: Pathology, Lincoln Medical Center, New York, NY
  • Medical Degree: Guntur Medical College, Guntur, India

Director of Medical Education: Onofrio (Ned) Sciortino, D.O.
Anesthesiologist and Medical Director of Anesthesia at Mountain Vista Medical Center

  • Medical Degree: Kirksville College of Osteopathic Medicine, Kirksville, Mo.
  • Internship: Maricopa Medical Center, Phoenix, Arizona
  • Residency: Anesthesia, University of Arizona College of Medicine, Tucson, Arizona

Program Highlights

Learn from dedicated and experienced medical staff members, hands-on clinical training and in-depth research studies.

  • Become familiar with the presentation, natural history, pathophysiology, diagnosis and treatment of gastrointestinal, liver and hepatobiliary diseases through outpatient and inpatient care, endoscopic activities, didactics and lectures.
  • Gain hands-on clinical experience by participating in hepatology and transplant patient rotations at Mayo Clinic in Scottsdale.
  • Earn progressive responsibility in patient care and build knowledge and skills
    common to all branches of gastroenterology.
  • Obtain comprehensive cognitive and procedural clinical education in both inpatient and outpatient settings.
  • Receive training and performance evaluation in required gastroenterology procedures.
  • Work closely with supporting hospital departments, including surgical, pathology, radiology and interventional radiology.

To Apply to Our GI Fellowship Program

To apply for the GI Fellowship Program, please submit your completed application through the Electronic Residency Application Service (ERAS).

For more information about the programs, contact Ruben Ortiz at or Sandy Elcock at, or call 480-373-2370 or 480-358-6158.

Meet Our Gastroenterology Fellows

Exterior shot of the Entrance to Mountain Vista Medical Center

1301 S. Crismon Road
Mesa, AZ 85209

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1301 S. Crismon Road
Mesa, AZ 85209

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