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United Medical Doctors

Specializing in robotics, minimally invasive colorectal surgery, arthroscopy, and shoulder arthroplasty while providing excellent patient experience, mentorship, leadership, teamwork, and medical innovation.

The Schultzel brothers: twin surgeons and top doctors proudly representing United Medical Doctors.

Dr. Matthew practices colorectal and general surgery, specializing in advanced robotic surgery and minimally invasive techniques. As the leading robotic surgeon in San Diego, he maintains Southern California’s highest volume of general surgery robotic cases, with expertise in colorectal and anorectal diseases. He also enjoys mentoring pre-med and medical students; one of his students, Dr. Daniel Burgess, became his junior partner and has been named a San Diego Magazine Top Doctors again this year, as well! Dr. Schultzel is a pioneer in robotics as the only surgeon in San Diego offering single incision robotic general surgery procedures.

Dr. Mark is a board-certified orthopedic surgeon specializing in shoulder/elbow surgery. He is among few San Diego surgeons admitted to the American Shoulder and Elbow Surgeons and elected to the American Orthopedic Association, an honor society exclusively for the country’s top orthopedic surgeons. He is chairman of Orthopedic Specialty Council at Sharp Community Medical Group and chief medical officer at Modiv Health. Equally passionate about mentorship, he volunteers as an associate clinical professor at UCSD School of Medicine.

The Doctors Schultzel offer a concierge level of service and elite quality care, plus the same compassion you’d get from a caring family member. You might even meet their Great Dane, Thor, who serves as a therapy dog! You’re in excellent hands with this dynamic duo of surgeons.


Colorectal/General Surgery:

4150 Regent Park Row, Suite 345, La Jolla, California 92037  

858-526-3842  | | |

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1230 Columbia Street, Suite 800,

San Diego, CA