Expert Colorectal Surgery in Los Angeles
Dr. Moshe Barnajian, MD, FASCRS is a board-certified colon and rectal surgeon trained at Cedars-Sinai, offering minimally invasive and da Vinci® robotic colorectal surgery across Los Angeles and Beverly Hills — from hemorrhoids, fissures and fistulas to colon and rectal cancer.
Leading Colorectal Surgeon in Los Angeles, Trained at Cedars-Sinai
Dr. Moshe Barnajian is a fellowship-trained, board-certified colorectal surgeon in Los Angeles specializing in minimally invasive and robotic surgery of the colon, rectum and anus. He combines advanced surgical technique with compassionate, patient-focused care — helping patients across Los Angeles and Beverly Hills heal faster and get back to life.
Board-Certified
Trained & Affiliated
Robotic Surgery
Serving Los Angeles
Meet Dr. Moshe Barnajian, MD, FASCRS
A highly regarded, board-certified colorectal surgeon in Los Angeles, Dr. Moshe Barnajian is committed to comprehensive, compassionate care, offering the most up-to-date treatments and minimally invasive colorectal procedures at his Los Angeles practice.
After earning his MD from Drexel University College of Medicine, Dr. Barnajian completed his general surgery residency at the prestigious Cedars-Sinai Medical Center in Los Angeles, followed by advanced colorectal training at Stony Brook University Hospital in New York to become a board-certified colorectal surgeon.
He is an expert in da Vinci® robotic and laparoscopic surgery, treating colon and rectal cancer, diverticulitis, inflammatory bowel disease, and complex anorectal conditions including hemorrhoids, anal fissures and fistulas. Patients can expect a physician who listens, answers every question, and offers flexible scheduling — including second opinions.
- Board-Certified in Colon & Rectal Surgery
- Fellow, American Society of Colon & Rectal Surgeons (FASCRS)
- General Surgery Residency at Cedars-Sinai Medical Center
- Colorectal Fellowship at Stony Brook University Hospital
- Expertise in da Vinci® robotic & laparoscopic surgery
Colorectal Conditions We Treat in Los Angeles
Comprehensive colon, rectal, and anal care from a board-certified colorectal specialist.
Colonoscopy & Screening
Screening & diagnostic colonoscopy for colon cancer prevention.
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Hemorrhoids
Advanced, minimally invasive hemorrhoid treatment for lasting relief.
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Anal Fissures
Expert treatment of chronic anal fissures to relieve pain and heal.
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Anal Fistula
Sphincter-preserving repair of complex and recurrent anal fistulas.
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Pilonidal Cyst
Definitive, flap-based treatment of pilonidal disease.
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Colon Cancer
Robotic and minimally invasive colon cancer surgery.
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Rectal Cancer
Advanced, sphincter-preserving surgery for rectal cancer.
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Hereditary Colorectal Cancer
Screening & surgery for hereditary colon and rectal cancer syndromes.
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Anal Neoplasia & Cancer
Diagnosis and treatment of anal dysplasia and anal cancer.
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Diverticulitis
Medical and surgical management of diverticulitis.
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Rectal Prolapse
Robotic and minimally invasive repair of rectal prolapse.
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Fecal Incontinence
Individualized treatment to restore bowel control.
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Inflammatory Bowel Disease
Surgical care for Crohn’s disease and ulcerative colitis.
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J-Pouch Surgery
Restorative J-pouch reconstruction after colon and rectal removal.
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Transanal Surgery (TAMIS)
Transanal minimally invasive surgery for rectal tumors and polyps.
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Robotic Colorectal Surgery
State-of-the-art da Vinci® robotic surgery for precise results.
Learn moreda Vinci® Robotic & Minimally Invasive Colorectal Surgery
Dr. Barnajian is an expert in robotic and laparoscopic colorectal surgery — using tiny incisions and 3D precision to treat colon and rectal cancer, diverticulitis, IBD, and rectal prolapse. The result: less pain, lower complication risk, and a faster recovery than traditional open surgery.
See if robotic surgery is right for youWatch: Colorectal Health & Treatment
Short videos on the conditions Dr. Barnajian treats and the modern, minimally invasive options available in Los Angeles.
Colorectal Surgery FAQs
Q.How do I know if I need to see a colorectal surgeon in Los Angeles?
See a colorectal surgeon for symptoms like rectal bleeding, persistent changes in bowel habits, anal pain or lumps, or a positive colon cancer screening. Dr. Barnajian evaluates and treats the full range of colon, rectal, and anal conditions in Los Angeles.
Q.What conditions does Dr. Barnajian treat?
He treats hemorrhoids, anal fissures and fistulas, pilonidal disease, diverticulitis, rectal prolapse, fecal incontinence, inflammatory bowel disease (Crohn’s and ulcerative colitis), and colon and rectal cancer.
Q.Is robotic colorectal surgery better than open surgery?
For many conditions, minimally invasive and da Vinci® robotic surgery means smaller incisions, less pain, and faster recovery. Dr. Barnajian recommends the best approach for your specific condition.
Q.Do you accept insurance?
Most PPO insurance plans are accepted. Our team verifies your benefits before your visit — call (424) 622-9028 to confirm coverage and schedule.
Q.When should I get a screening colonoscopy?
Most adults should begin colon cancer screening at age 45, or earlier with a family history or symptoms. A screening colonoscopy is the most effective way to prevent colon cancer.
Q.Where is Dr. Barnajian located?
Dr. Barnajian practices in Los Angeles and trained at Cedars-Sinai, serving Los Angeles, Beverly Hills, and surrounding communities. Call (424) 622-9028 to book a consultation.
Schedule Your Colorectal Consultation in Los Angeles
Expert, compassionate colon and rectal care from a board-certified surgeon trained at Cedars-Sinai.
