While many doctors perform colorectal surgery, few colorectal surgeons are as highly regarded as the doctors at La Peer Health Systems’ Fissure & Fistula Surgery Center of Excellence. Our specialists received training at some of the top medical schools in the country, and many are actively involved in cutting-edge research. They have also been featured in national media such as Discovery Health, The Oprah Winfrey Show, The Doctors, The New York Times, People, Entertainment Tonight, The Insider, CNN, ABC News, Fox 11 News, and ELLE magazine and more.

Our Colorectal Surgeons

los angeles colorectal surgeonDr. Eiman Firoozmand, Medical Director

Eiman Firoozmand, MD is a board certified colorectal and general surgeon at La Peer Health Systems and Los Angeles Colon and Rectal Surgical Associates, Inc. Dr. Firoozmand is the medical director of the Fissure/Fistula Surgery Center of Excellence at La Peer Health Systems and also Chief of the Division of Colorectal Surgery at Cedars-Sinai Medical Center.

Hiss clinical and research interests are in optimizing outcomes and techniques in the treatment of inflammatory bowel disease, colon and rectal cancer, and benign anorectal disease. He has written numerous articles for peer-reviewed publications, including The American Surgeon, The Journal of Trauma, Surgical Laparoscopy & Endoscopy, Circulation Research and Circulatory Shock.

Dr. Firoozmand received his bachelor’s degree from the University of California at Davis. He then earned his medical degree from the University of Southern California (USC) School of Medicine. He completed his surgical residency at Santa Barbara Cottage Hospital and his fellowship in colon and rectal surgery at the Keck School of Medicine at USC.

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Meet the Rest of Our Colorectal Surgeons

dr. liza capiendoDr. Liza Capiendo

Liza M. Capiendo, MD is a board certified colorectal surgeon and general surgeon with clinical and research interests focus on the laparoscopic treatment of colon and rectal disorders and special emphasis on the treatment of rectal disorders in women. Dr. Capiendo also has a special clinical interest in the laparoscopic resection of gastrointestinal malignancies. She is the Clinical Chief of the Department of Colon and Rectal Surgery at Cedars Sinai Medical Center. Dr. Capiendo received her Medical Degree from Loma Linda University and completed her surgical residency at King/Drew Medical Center, where she was Surgical Resident of the Year award three times. She completed her Colon and Rectal Fellowship at Los Angeles County/U.S.C. Medical Center.

dr. gary hoffmanDr. Gary Hoffman

Gary H. Hoffman, M.D. is board certified in both colorectal surgery and general surgery. Dr. Hoffman is also an Attending Surgeon and instructor in the Division of Colorectal Surgery at Cedars Sinai Medical Center, Attending Surgeon in the Division of General Surgery, and Associate Clinical Professor of Surgery at The David Geffen School of Medicine at UCLA. His main clinical and research interests involve the laparoscopic, minimally invasive treatment of colon and rectal malignancies, optimizing outcomes and techniques in general colorectal surgery, endoscopy and the surgical treatment of hemorrhoids. Dr. Hoffman has been named to SUPER DOCTORS for two straight years.

Dr. Allen KamravaDr. Allen Kamrava

Allen Kamrava, MD is a board-certified colorectal and general surgeon at La Peer Health Systems and Los Angeles Colon and Rectal Surgical Associates, Inc. Dr. Kamrava’s clinical research interests include the care of patients with inflammatory bowel disease, advanced colorectal cancers, and complex anal diseases. He is board-certified in Colon and Rectal Surgery and received certification in advanced laparoscopic and robotic surgical techniques, and completed a dual graduate degree in medicine and business administration at Temple University’s School of Medicine and the Fox School of Business.

Dr. David Magner Colorectal SurgeonDavid P. Magner, MD

Dr. Magner is board-certified in minimally-invasive and laparoscopic colon and rectal surgery. Through an interdisciplinary, patient-centered approach, he specializes in the treatment of all aspects of colorectal disease. Dr. Magner’s expertise includes pelvic floor dysfunction, benign anorectal conditions, advanced gastrointestinal malignancies, and inflammatory bowel disease. He is a skilled laparoscopic surgeon, offering completely laparoscopic approaches to surgeries which are often performed in an “open” or “hand-assisted” manner. He is also a member of the teaching faculty in the Division of Colon & Rectal Surgery at Cedars-Sinai Medical Center.

Maziar Ghodsian, MD

Dr. Maziar Ghodsian, or Dr. Maz, as he is so kindly referred to by his patients, is a highly specialized Proctologist and Colorectal Endoscopist. He specializes in diseases of the colon and rectal surgery as well as aesthetic anal beautification and rejuvenation. Dr. Maz also performs diagnostic and therapeutic colonoscopies for colon cancer and rectal cancer.

Dr. Maz obtained his Bachelor of Science in Biology and a Minor in Philosophy from the University of California, Riverside. Dr. Maz continued his training at the Johns Hopkins University, where he received a second Bachelor of Science in Nursing followed by a Juris Doctor with a concentration on Healthcare Law and Policy from the Pace University School of Law. He then attended medical school at Western University of Health Sciences in Southern California and completed his internship at Arrowhead Regional Medical Center. Dr. Maz completed his residency training in Proctologic Surgery at Ohio University-Grandview Medical Center/Kettering Health Network in Dayton, Ohio. Additionally, Dr. Maz completed a portion of his residency training in Proctologic Surgery at the Cleveland Clinic Foundation and Cedars Sinai Medical Center with world renowned experts. Dr. Maz is a Board Member of the American Osteopathic College of Proctology.

Dr. Maz is one of only two practicing Proctologic Surgeons in California that have completed a residency in Proctology.

Using his specialized minimally invasive and aesthetic approach, Dr. Maz uses exceptional technical skills in treating his patients with both surgical and non-surgical treatment modalities. Dr. Maz is highly specialized in the cosmetic removal of anal skin tags, lesions, warts and hemorrhoids.

Contact Our Los Angeles Doctors

If you want your colorectal procedure handled by some of the best colorectal surgeons in the country, look no further than the Fissure & Fistula Center of Excellence. Our Los Angeles surgeons are highly credentialed, and many have been named to national and local top doctor lists. Additionally, some of our surgeons have held or are currently departmental chairs at major medical facilities like Cedars-Sinai. While the majority of our patients use our outpatient surgery center for their procedures, you may also be able to opt for surgery at Cedars Sinai. You can learn more about Cedars Sinai fistula surgery and Cedars Sinai fissure repair surgery by contacting our outpatient facilities.

To make an appointment at the Fissure & Fistula Center of Excellence, contact our Los Angeles office by phone at (888) 512-2312 or by filling out our online contact form. We look forward to providing you with the highest quality in patient care.

Next, learn about our anal fissures and anal fistulas.