Colorectal
Surgery

in Los Angeles

Dr. Zaghiyan’s Colorectal Surgical Specialties

Recognized as the best colorectal surgeon in Los Angeles, Dr. Zaghiyan delivers unparalleled expertise across the full scope of colon, rectal, and anal conditions at the renowned Cedars-Sinai Medical Center. She provides advanced, minimally invasive solutions for rectal cancer, colon cancer, ulcerative colitis, Crohn’s disease, diverticulitis, rectal prolapse, fecal incontinence, anal fissures, anal fistulas, hemorrhoids, pilonidal cysts, anal skin tags, and other rectal and anorectal concerns, ensuring relief with maximum preservation of anatomy and function.

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Colorectal Cancer Surgery in Los Angeles

Facing a colon or rectal cancer diagnosis can be daunting and downright frightening, but with the expert guidance from the nation’s leading innovator in organ-preserving colorectal cancer surgery, Dr. Zaghiyan can significantly improve outcomes. She specializes in sphincter-sparing, nerve-preserving, and function-preserving approaches whenever possible with advanced procedures including transanal total mesorectal excision (taTME), transanal minimally invasive surgery (TAMIS), intersphincteric proctectomy, robotic rectal cancer surgery, robotic colon cancer surgery, and other organ-preserving strategies, all designed to maximize function and quality of life. If you’re seeking the best rectal cancer treatment in Los Angeles or the best colon cancer specialist in Los Angeles, trust her for precision, innovation, and world-class outcomes.

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Hereditary Colorectal Cancer

For patients with familial cancer syndromes, Dr. Zaghiyan offers expert, genetically informed screening, preventive strategies, surgical planning, and minimally invasive procedures designed to prevent colorectal cancer while protecting long-term bowel function, earning recognition as the best hereditary colorectal cancer specialist in Los Angeles.

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Anal Fissure

Anal fissures can cause sharp pain, bleeding, and difficulty with bowel movements. Dr. Zaghiyan, recognized as the best anal fissure specialist in Los Angeles, provides tailored treatments including Botox injections, PRP (platelet-rich plasma) therapy, and sphincterotomy surgery, all designed to relieve pain, promote healing, and prevent chronic recurrence.

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Anal Fistula

Anal fistulas require expert care to avoid recurrence and preserve continence. Dr. Zaghiyan, the best anal fistula surgeon in Los Angeles, manages these complex conditions using laser anal fistula closure (FiLaC), the LIFT procedure, endorectal advancement flap, and rectovaginal fistula repair, ensuring infections are resolved while restoring normal function.

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Crohn’s Disease

Crohn’s disease often requires advanced surgical care when medical management is insufficient. Dr. Zaghiyan, the best Crohn’s disease surgeon in Los Angeles, performs robotic ileocolic resection, robotic colectomy, and robotic J-pouch surgery, offering patients the best Crohn’s disease treatment in Los Angeles with minimally invasive approaches that restore bowel function and minimize complications.

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Ulcerative Colitis

For patients needing surgery for ulcerative colitis, Dr. Zaghiyan offers advanced restorative procedures, including robotic J-pouch surgery (IPAA) and organ-preserving techniques. Recognized as the best ulcerative colitis surgeon in Los Angeles, she delivers life-changing outcomes while avoiding permanent ostomy when possible.

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Diverticulitis

Recurring or complicated diverticulitis can significantly impact quality of life. Dr. Zaghiyan, the best diverticulitis surgeon in Los Angeles, performs minimally invasive robotic colectomy, offering smaller incisions, faster recovery, and improved bowel function, making her a top choice for patients seeking the best diverticulitis treatment in Los Angeles.

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Hemorrhoids

From non-surgical procedures to advanced interventions, Dr. Zaghiyan provides comprehensive hemorrhoid care. Recognized as the best hemorrhoid specialist in Los Angeles, she offers hemorrhoid sclerotherapy, infrared coagulation, laser hemorrhoid surgery, transanal hemorrhoidal dearterialization (THD), hemorrhoidal banding, and anal skin tag removal, providing immediate relief and long-term results without unnecessary surgery.

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Pilonidal Cyst

Recurrent pilonidal cysts can be painful and disruptive. Dr. Zaghiyan, the best pilonidal cyst surgeon in Los Angeles, performs laser pilonidal surgery (SiLaC) and pilonidal flap procedures, utilizing minimally invasive techniques to reduce recovery time and minimize the risk of recurrence.

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Fecal Incontinence & Pelvic Floor Disorders

Pelvic floor dysfunction and fecal incontinence profoundly affect quality of life. Dr. Zaghiyan, recognized as the best fecal incontinence specialist in Los Angeles, offers Emsella pelvic floor therapy, Solesta injection, sacral neuromodulation (InterStim), and anal sphincter repair, restoring control, confidence, and dignity for her patients.

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Rectal Prolapse

For rectal prolapse, Dr. Zaghiyan provides advanced minimally invasive procedures, including robotic rectopexy with or without mesh, robotic rectocele repair, robotic enterocele repair, and combined robotic multi-organ prolapse surgery. Patients seeking the best rectal prolapse surgeon in Los Angeles benefit from durable, function-preserving repairs and smoother recovery.

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Anal Neoplasia

Precancerous or cancerous anal lesions require expert management. Dr. Zaghiyan, the best anal neoplasia specialist in Los Angeles, provides advanced diagnostic evaluation and minimally invasive excision techniques to ensure early detection and maximal preservation of anal function.

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Robotic Colorectal Surgery

As a national leader in robotic surgery, Dr. Zaghiyan offers advanced options including robotic colectomy, robotic rectopexy, robotic ileocolic resection, and robotic J-pouch surgery. Recognized as the best robotic colorectal surgeon in Los Angeles, she provides smaller incisions, less pain, and faster recovery for patients with complex colorectal conditions.

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Transanal Minimally Invasive Surgery (TAMIS)

TAMIS allows the removal of rectal tumors and polyps without abdominal incisions. Dr. Zaghiyan, the best TAMIS surgeon in Los Angeles, provides this organ-preserving approach as part of her commitment to advanced, minimally invasive colorectal care.

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Colonoscopy

Colonoscopy is the gold standard for early detection of polyps, colon cancer, and inflammatory conditions. At her state-of-the-art clinic, Dr. Zaghiyan is recognized as the best colonoscopy doctor in Los Angeles, providing precise, comfortable, and thorough colonoscopy screenings to ensure accurate diagnoses and peace of mind.

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Second Opinions for Colorectal Diagnoses

Facing a complex colorectal diagnosis or a recommended surgery for one can leave you with uncertainty and searching for answers. Thankfully, Dr. Zaghiyan offers expert second opinions via one-on-one telehealth consultations, allowing you to receive high-level insights with clarity from a world-renowned colorectal surgeon without traveling. The process is straightforward: you submit your imaging and medical records in advance, Dr. Zaghiyan personally reviews them, and then meets with you to discuss findings, options, and next steps. Second-opinion consultations are billed out of pocket and cannot be submitted to insurance. These educational consultations do not establish a formal doctor–patient relationship.

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LA’s Expert Colorectal Specialist

Karen Zaghiyan, MD

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For patients who need an urgent consultation, it is best to call us at (310) 289-9224. Otherwise, please complete and submit the form below and a member of our staff will contact you shortly.

ADDRESS

Karen Zaghiyan, MD 
8737 Beverly Blvd, Suite 101 
Los Angeles, CA 90048

phone

(310) 289-9224

Location

& Hours

hours

MON 9:00 a.m. - 5:00 p.m.

TUE 9:00 a.m. - 5:00 p.m.

WED 9:00 a.m. - 5:00 p.m.

THUR 9:00 a.m. - 5:00 p.m.

FRI 9:00 a.m. - 5:00 p.m.

ColorectalSurgery

Dr. Zaghiyan’s Colorectal Surgical Specialties

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Colorectal
Surgery