Our Surgeons

Kevin Masur, MD, FACS

Kevin Masur, MD

Board Certified General Surgeon


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Office: MESA-All day Monday and Wednesday AM

Born and raised in north central Indiana, Dr. Masur attended Wabash College, where he graduated Magna Cum Laude with a Bachelor of Arts in Biology. While in college, he was a member of the Alpha-Pi Chapter of the Kappa Sigma Fraternity. He then received his medical training at the Indiana University School of Medicine. He completed his surgical residency in the Phoenix Integrated Surgical Residency program in Phoenix, Arizona.

Procedures Performed & Conditions Treated by Dr. Masur

  • Acute Care Surgery
  • Breast Disease
  • Breast Cancer
  • Gallbladder Surgery
  • Hernia Surgery
  • Laparoscopic Surgery
  • Minimally Invasive Surgery
  • Robotic Procedures
  • Thyroid Surgery

Professional Affiliations

  • American College of Surgeons
  • Banner Desert Tumor Board
  • Banner Peer Review Committee
  • Banner Surgery Committee
  • Vice Chair of Surgery at Banner Desert

Medical Education


Carrie Cashman, MD, FACS

Richard Oh, MD, FACS

Board Certified General Surgeon


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Office: GILBERT-All day Monday and Thursday AM

Dr. Oh was born in Seoul, South Korea. He grew up in Houston, TX and graduated Cum Laude from Trinity University in San Antonio with a B.S. in engineering sciences. He is an Alpha Omega Alpha honor graduate of medicine from the university of Texas San Antonio medical school. He then completed general surgery residency at Baylor College of Medicine in Houston, TX training under world renowned surgeon Dr. Michael E. Debakey.

Before relocating to the East Valley, Dr. Oh practiced surgery for four years in Seattle, WA. There he was a clinical instructor in both the Swedish Hospital general surgery residency program and the University of Washington Medical School. He received the outstanding faculty instructor award from the Swedish Hospital Surgical Residents in 2005.

Procedures Performed & Conditions Treated by Dr. Oh

  • Adrenalectomies
  • Anti-Reflux Surgery
  • Appendectomy
  • Gallbladder Surgery
  • Hernia Surgery
  • Robotic Procedures
  • Laparoscopic Procedures
  • Minimally Invasive Surgery

Professional Affiliations

Medical Education


Laura Rishmany Champagne, MD, FACS

Jennifer Reitz, MD, FACS

Board Certified General Surgeon


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Office: GILBERT-All day Wednesday and Friday AM

Dr. Reitz was born and raised in Sioux Falls, SD. She graduated from Augustana College suma cum laude and then received her medical degree from the University of South Dakota School of Medicine. She continued her training by completing a general surgery residency in Seattle at Swedish Medical Center. She selected this program as it was known for its high volume operative experience.

Dr. Reitz is Board Certified with American Board of Surgery. Dr. Reitz has an interest in advanced laparoscopic surgery, endocrine surgery, as well as all areas of general surgery. She is a member of the American College of Surgeons and the Society of American Gastrointestinal and Endoscopic Surgeons.

Procedures Performed & Conditions Treated by Dr. Reitz

  • Laparoscopic Surgery
  • Endocrine Surgery
  • Appendectomy
  • Robotic Procedures
  • Hernia Surgery
  • Gallbladder Surgery
  • Breast Disease
  • Breast Cancer