World-Renowned Surgical Specialist Based at Cedars-Sinai Hospital
If you are reading this, you or a loved one are likely concerned about a medical issue that might require surgery. Many patients who come to us have either been recently diagnosed or are coping with a chronic medical condition that they want to have examined by a top-notch surgeon to ensure they get the best advice and treatment. Our team of surgeons are all board-certified general surgeons, who all specialize in a specific area of surgery. However, despite our team’s surgical skills and experience, our goal is avoid performing surgery whenever possible. Should surgery be necessary, each of our surgeons utilizes their advanced skills and state-of-the-art technology to perform minimally invasive surgery. As trusted experts, our surgeons are often called upon to perform emergency surgery on patients admitted to Cedars-Sinai Hospital, as well as other leading hospitals in LA. Each one of our surgeons are also highly regarded as educators and leaders in their respective fields. Most importantly, their skills and experience are equally matched by their compassion and listening skills – which we believe are as important as their surgical skills.
More importantly, our team of world-renowned surgeons have saved countless lives, and have enabled countless more to live healthy, happy lives.
To schedule an evaluation with one of our highly respected specialized surgeons, please dial 424 303 4949, where your call will be answered – without having to endure voice prompts – by one of our caring and knowledgeable team members.
Surgical Oncologist, Surgery Group LA
Dr. Jason Cohen is a surgical oncologist and general surgeon with expertise in laparoscopy and minimally invasive techniques. His main focus of practice is in head and neck endocrine surgery, specifically management of diseases of the thyroid and parathyroid glands. He is at the forefront of thyroid cancer treatment and prevention and treats both benign and malignant tumors of the breast and gastrointestinal tract as well.
Colorectal Surgeon, Robotic Surgery Specialist
Dr. Yosef Nasseri is one of the founding partners of Surgery Group LA. He is double board-certified in general and colorectal surgery, and is considered one of the most prolific robotic colorectal surgeons in the United States. Dr. Nasseri specializes in robotic and minimally invasive techniques for the treatment of colon and rectal diseases; such as cancer, inflammatory bowel disease, and Crohn’s. Dr. Nasseri is very active in clinical research, and academia and he frequently collaborates with surgeons and physicians from diverse specialties. His research is primarily outcomes based, with a concentration in both benign and malignant colorectal diseases, which allows him to introduce and test new treatment modalities and algorithms. As a thought leader, Dr. Nasseri has published several book chapters, journal articles, and presented at various conferences.
General Surgeon, Surgical Oncologist
Dr. Joshua Ellenhorn is a partner at Surgery Group LA and an accomplished board-certified surgeon with a clinical focus on innovative treatments for benign and malignant surgical conditions including hernias and gallbladder conditions in addition to… breast cancer, gastrointestinal metastases and other types of cancer. He is an accomplished educator, and has been repeatedly…
Colorectal Surgeon, Robotic Surgery Specialist
Dr. Moshe Barnajian is a board-certified colorectal and general surgeon specializing in minimally invasive and advanced surgical techniques. His specialized training has provided him with the advanced expertise in all aspects of colon, rectal, and anal surgery from laparoscopic and robotic colon resection for colorectal cancer and inflammatory bowel disease, to complex anorectal disease including hemorrhoids, fissures, fistula, and HIV related anorectal disorders. Dr. Barnajian has lectured at both national and international meetings and has published multiple peer-reviewed articles in prestigious journals including Colorectal Disease. Dr. Barnajian is also a medical peer reviewer for multiple prestigious colorectal journals, including Colorectal Disease and Techniques in Coloproctology.
Breast Surgery Specialist
Dr. Elizabeth Arena is a double board-certified surgical oncologist and general surgeon, specializing in caring for patients with benign or malignant diseases of the breast. As one of the first ever American Board Certified Surgical Oncologists, Dr. Arena has specific expertise that makes her one of the most esteemed breast surgeons in the greater Los Angeles area.
Senior Consultant in Clinical Surgery
Dr. Leo A. Gordon, MD, FACS, is the senior consultant in clinical surgery at Surgery Group LA. He has extensive experience in breast and gastrointestinal surgery for both benign and malignant cancers, as well as expertise in laparoscopic surgical procedures. He is also one of the country’s leading resident educators.
Dr. Colquhoun is a liver, bile duct and pancreas surgeon, transplant surgeon and surgical oncologist with board certification in both general and critical care surgery. He completed fellowships in both surgical oncology and multi-organ transplant surgery at UCLA. He does both open and robotic minimally invasive surgery. Dr. Colquhoun takes pride in providing excellent and compassionate patient care with 24/7 availability
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Surgery Group LA is a team of professional and board-licensed surgeons, who specialize of their respective fields. The institution’s project to offer sufferers with advanced and complete surgical care.
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