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Sonia Ramamoorthy, MD, Colon & Rectal Surgery, La Jolla, CA

Sonia Ramamoorthy MD MS, MBA (She/Her)

[Pronunciation: so-knee-ya]


Professor of Surgery, UC San Diego Health System, Chief Division of Colon and Rectal Surgery, Vice-Chair of Quality

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  • 9350 Campus Point DrLa Jolla, CA 92037

  • Phone+1 858-249-1837

  • Fax+1 858-732-0999

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Summary

  • Sonia Ramamoorthy, MD
    Colon and Rectal Surgeon
    Professor of Surgery

    Sonia Ramamoorthy, MD, is Chief of Colon and Rectal Surgery at UCSD and is board-certified in general and colon and rectal surgery. She, specializes in the treatment of colorectal and anal cancer, Inflammatory Bowel Disease (IBD) and , and diverticulitis.

    Dr. Ramamoorthy is an expert in open and minimally invasive colorectal surgical procedures, and has a special interest in robotic approaches. She was the first to perform robotic colorectal procedures in San Diego.

    As a Professor in the Department of Surgery at UC San Diego School of Medicine, she teaches students and residents and trains fellows in minimally invasive surgery. Her research has focused on colorectal and anal cancer, Crohn’s disease, ulcerative colitis, and pelvic floor disorders. She has authored numerous papers and chapters about colon and rectal surgery, and is an enthusiastic innovator and educator in the fields of minimally invasive surgery and translational oncology. She is currently the Disease Team Leader for Colorectal Cancer at the Moores Cancer Center.

    Dr. Ramamoorthy completed a research fellowship and a general surgery residency at UC San Diego School of Medicine, and a colon and rectal surgery fellowship at Washington University’s Barnes-Jewish Hospital in St. Louis. She earned her medical degree and masters degree at Boston University School of Medicine. She serves as the Vice Chair of Quality for the Department of Surgery at UCSD and has a keen interest in improving patient satisfaction and patient outcomes from surgery.

    Dr. Ramamoorthy is currently accepting new patients.

    UC San Diego Health
    Surgical Services
    We are dedicated to delivering outstanding patient care through commitment to the community, groundbreaking research and inspired teaching. UC San Diego Health has consistently ranked No. 1 in San Diego in U.S. News & World Report’s “America’s Best Hospitals.

Education & Training

  • Washington University/B-JH/SLCH Consortium
    Washington University/B-JH/SLCH ConsortiumResidency, Colon and Rectal Surgery, 2001 - 2002
  • University of California (San Diego) Medical Center
    University of California (San Diego) Medical CenterResidency, Surgery, 1996 - 2001
  • Boston University School of Medicine
    Boston University School of MedicineClass of 1996

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1998 - 2028
  • Colon & Rectal Surgery
    American Board of Colon and Rectal Surgery Colon & Rectal Surgery
  • Surgery
    American Board of Surgery Surgery

Awards, Honors, & Recognition

  • America's Top Doctors Castle Connolly, 2010-2023
  • Top Doctors:San Diego Area Castle Connolly, 2011-2023
  • CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2012-2017

Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • Biallelic Mismatch Repair Deficiency in an Adolescent Female  
    Thomas Savides, Sonia Ramamoorthy, Mamata Sivagnanam, Sherry C Huang, Irene Thung, Hindawi

Authored Content

  • What Would Physician Unionization Mean for Women in Medicine?January 2025

Press Mentions

  • A Physician’s Quest to Preserve the Joy in Medicine
    A Physician’s Quest to Preserve the Joy in MedicineOctober 28th, 2025
  • San Diego’s Top Doctors: The Annual List, 2025
    San Diego’s Top Doctors: The Annual List, 2025September 30th, 2025
  • Gut Toxins and 50,000 Deaths: The Truth Behind the Rise in Colon Cancer and the Signs to Look For
    Gut Toxins and 50,000 Deaths: The Truth Behind the Rise in Colon Cancer and the Signs to Look ForApril 26th, 2025

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