San Diego Colon and Rectal Surgeons

Colon and Rectal Surgeons located in La Jolla, CA

About Us

Located in La Jolla, California, San Diego Colon and Rectal Surgeons is a practice composed of two experienced, fellowship-trained, and board-certified surgeons who are dedicated to the practice of high-quality, state-of-the-art colon and rectal surgery.

The team, led by M. Jonathan Worsey, MD, and Keith A. Beiermeister, MD, is committed to providing compassionate, individualized care to their patients utilizing the most modern diagnostic and therapeutic techniques available.

The practice specializes in all aspects of colon and rectal surgery but has particular expertise and experience in minimally invasive colon and rectal surgery, colon and rectal cancer, inflammatory bowel surgery, and complex re-operative surgery.

The vast majority of major operations are performed with both surgeons present to ensure an efficient, safe, and successful procedure; this is quite unusual in most surgical practices today. They do not employ allied health providers, and direct and specialized care is given by the surgeons at all times. The team prides itself on excellent surgical outcomes and the provision of the best possible care and attention.


State Of The Art

Our doctors use state of the art procedures to ensure the highest quality results. Get the best care available.

Skilled Surgeons

Fellowship trained surgeons with particular expertise and experience in minimally invasive techniques and other more complex procedures.

Compassionate Care

Committed to providing compassionate, individualized care utilizing the most modern diagnostic and therapeutic techniques.

Urgent, same-day, and next-day surgeries available.

If you have an urgent condition, please call the office directly and we will endeavor to see you promptly.


  • Scripps Memorial Hospital
    Established in 1924 by Ellen Browning Scripps, Scripps Memorial Hospital La Jolla has been one of Southern California’s premier medical centers for more than 80 years. Scripps Memorial Hospital La Jolla offers a wide range of clinical, surgical and specialty services. It is consistently recognized for quality patient care and is the first in San Diego to be designated a Magnet Hospital by the American Nursing Association for excellence in patient care.

Insurance Information

San Diego Colon and Rectal Surgeons accepts most major insurance plans and accepts non-contracted PPO patients who have out-of-network benefits. For questions about your insurance coverage, please verify with your insurance carrier.

Blue Cross of California
Blue Shield of California
Cigna HMO
HealthNet POS
Scripps Clinic Health Plan Services
United Healthcare

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Colon and Rectal Surgeon

Colon and Rectal Surgeon


Words from our patients

  • Google

    "Dr Worsey and Beiermeister have taken wonderful care of me over the past 3 years."

    Bill P.
  • Google

    "Dr. Beiermeister's expertise was appreciated during an emergency situation and followup."

    Michy B.
  • Google

    "Dr. Beiermeister is an excellent surgeon. He performed my father's colectomy."

    Sama A.
  • Yelp

    "I would not hesitate recommending Dr. Worsey to anyone who needs this kind of surgical procedure."

    Sal S.
  • Yelp

    "Dr. Worsey was there every step of the way explaining everything in detail. I appreciate that !"

    Tom M.
  • Yelp

    "Dr. Worsey is extremely gifted as a surgeon,very accessible and reliable for communications and follow-up."

    Cyndy B.
  • Yelp

    "Dr. Worsey did my first surgery in 2007 and 4 more after that. I would trust him with my life (as I already have)."

    Paulina R.
  • Yelp

    "He is an excellent surgeon that takes the time to listen to your concerns and thoroughly explain procedures."

    Ryan H.
  • Healthgrades

    "Dr. Worsey also formerly worked at Scripps La Jolla where he operates, and has the admiration of everyone I came across."

    Matt H.
  • Healthgrades

    "Dr Worsey is very personable and spent time to explain my problem and all my options."

    Alan C.
  • Yelp

    "Had a colonoscopy done with Dr. Beiermeister and his staff, they did a fantastic job."

    Scott S.
  • Yelp

    "Dr. Beiermeister was my doc, and I have nothing but positive things to say about him and his staff."

    Michael O.
San Diego Colon and Rectal Surgeons
9834 Genesee Ave, #201
La Jolla, CA 92037
Phone: 858-558-2272
Fax: 858-558-2285
Office Hours

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