Enrique Moreno Martinez, MDStefan Moldovan, MDPascal Bortz, MDMarquis E. Hart, MDKristen Nassery, MDMatthew M. Schultzel, DOHussna Wakily, MDBlake Spitzer, MDJeffrey B. Halldorson, MDStephen Summers, MD

Marquis E. Hart, MD

Marquis E. Hart, MD
Dr. Marquis Hart joined Balboa Nephrology Medical Group in 2020. He is a board-certified surgeon with over 30 years of experience in the medical field. He is a specialist in transplant, hepatobiliary and general surgery. Dr. Hart is committed to helping his patients return to living healthy, productive lives.
Read more

Matthew M. Schultzel, DO

Matthew M. Schultzel, DO
My mission is to provide top level surgical care to all my patients. I employ the newest technology and have undergone a great deal of training in order to bring the most advanced treatment modalities to my patients. It is my pleasure to treat you.
Read more

Hussna Wakily, MD

Hussna Wakily, MD
After years of hard work and strenuous studying, I began practicing as a surgeon in 2008. My extensive medical knowledge combined with an ongoing curiosity to learn about the latest trends define my success in the medical field. My General Surgery residency training was in Stony Brook University Hospital in Long Island, NY. I completed…
Read more

Blake Spitzer, MD

Blake Spitzer, MD
Dr. Spitzer specializes in surgery involving the intestines, colon, rectum, breasts, gall bladder, hernias, stomach, spleen, and skin. He performs advanced laparoscopic procedures as well as robotic surgery.
Read more

Jeffrey B. Halldorson, MD

Jeffrey B. Halldorson, MD
Dr. Halldorson joined Balboa Nephrology Medical Group in 2017. He is a General Surgeon specializing in kidney transplantation at Sharp Memorial where he is also the Surgical Director of Transplantation. Dr. Halldorson attended medical school at the University of Michigan where he obtained his Doctor of Medicine degree. After completing his residency at the University…
Read more

Stephen Summers, MD

Stephen Summers, MD
Dr. Stephen Summers is a general surgeon who specializes in intestinal, pancreas and biliary surgery, advanced laparoscopic and breast procedures and complicated wound management.
Read more