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Community Orthopedic Medical Group is one of the largest private orthopedic practices in Orange County. Our orthopedic specialists are adept in orthopedic surgery and physical medicine and rehabilitation (physiatry). COMG orthopedics specialists are experts in surgical orthopedic care, and non-surgical orthopedic techniques aimed at improving function, while minimizing pain.

  • General
    Orthopedics

    Orthopedics is the medical specialty that focuses on injuries and diseases of your body's musculoskeletal system.

  • Fracture Care
    & Bracing

    Community Orthopedic Medical Group has a full team of physicians and medical support staff trained in the treatment of broken bones. medical

  • Orthopedic
    Trauma

    The orthopedics team at the Community Orthopedic Medical Group specialize in complex musculoskeletal injuries...

  • Spine Care
    (Back & Neck Pain)

    COMG has a dedicated Spine Institute whose compassionate physicians are expertly trained at diagnosing ...

  • ELBOW

    The Elbow specialists at Community Orthopedic Medical Group specialize in state-of-the-art diagnosis and treatment...

  • HAND &
    WRIST

    The Hand and Wrist specialists at Community Orthopedic Medical Group specialize in state-of-the-art diagnosis and treatment...

  • NERVE REPAIR &
    DECOMPRESSION

    The specialists at Community Orthopedic Medical Group specialize in state-of-the-art diagnosis and treatment...

  • PELVIS

    The specialists at Community Orthopedic Medical Group provide expert diagnosis and treatment of orthopedic pelvic injuries

  • FOOT & ANKLE

    COMG is dedicated to keeping our patients’ feet and ankles healthy. We help them through chronic pain and help return function...

  • PHYSICAL MEDICINE /
    REHAB

    Physical Medicine and Rehabilitation (PM&R) is the field of medicine dedicated to non-surgical management of orthopedic

  • SPORTS MEDICINE &
    ARTHROSCOPIC SURGERY

    Community Orthopedic Medical Group features fellowship-trained physicians specializing in sports medicine...

  • PLATELET RICH PLASMA
    INJECTIONS & REGENERATIVE
    MEDICINE

    Regenerative medicine is an innovative new approach to improve tissue healing and rehabilitation...

  • PHYSICAL
    THERAPY

    The Community Orthopedic Medical Group houses a special team of well-qualified physical therapists...

  • MRI / X-RAYS

    Our practice offers onsite X-ray and MRI facilities to make evaluation faster and access to the studies more convenient...

  • ELECTRODIAGNOSTIC
    TESTING

    This is a test that your physician may order for further evaluation of any numbness, tingling or progressive ...

Community Orthopedic Medical Group (COMG) physicians provide a comprehensive range of orthopedic services

  • Michael S. Marandola, M.D.
    Michael S. Marandola, M.D.Orthopedic SurgeonSports Medicine and Joint Replacement Specialist
  • Kent S. Marangi, M.D.
    Kent S. Marangi, M.D. Orthopedic SurgeonSports Medicine Specialist
  • John R. Morris, M.D.
    John R. Morris, M.D.Orthopedic SurgeonHand and Upper Extremity Specialist
  • Michael D. Burdi, M.D.
    Michael D. Burdi, M.D.Orthopedic Spine SurgeonSpine Specialist
  • Stephen L. Tocci, M.D.
    Stephen L. Tocci, M.D.Orthopedic SurgeonFoot and Ankle Specialist
  • Tiva Hanjan, M.D.
    Tiva Hanjan, M.D.Physical Medicine and RehabilitationNonsurgical Spine and Sports Medicine
  • Stephen Gardner, M.D.
    Stephen Gardner, M.D.Orthopedic SurgeonSports Medicine
  • Evan M. Guerrero, M.D.
    Evan M. Guerrero, M.D.Orthopedic SurgeonHand and Upper Extremity Specialist
  • James B. Chen, M.D.
    James B. Chen, M.D.Orthopedic SurgeonJoint Replacement Specialist
  • Neal Washburn, D.O.
    Neal Washburn, D.O.Physical Medicine and RehabilitationNonsurgical Spine and Sports Medicine
  • Charles L. Stewart, PA-C
    Charles L. Stewart, PA-CPhysician Assistant-Certified
  • Jason W. Knott, PA-C
    Jason W. Knott, PA-CPhysician Assistant-Certified
  • Tyler Waldron, PA-C
    Tyler Waldron, PA-CPhysician Assistant-Certified
  • Steve D. Do, PA-C
    Steve D. Do, PA-CPhysician Assistant-Certified
  • Emily Mishler, PA-C
    Emily Mishler, PA-CPhysician Assistant-Certified

Specialized Orthopedic
Care for all Ages

  • Spine Care

    In most cases, back pain can be resolved without surgery. The conservative treatment involves the use of pain medications and other methods to reduce inflammation...Know More

  • Joint Replacement Surgery

    Joint replacement is a surgical procedure in which the worn, damaged surfaces of the joint are removed and replaced with new artificial parts....Know More

  • Sports Medicine

    Sports Medicine, also known as sports and exercise medicine (SEM), is a branch of medicine that deals with the treatment and prevention of sports and exercise-related injuries ...Know More

Patient Reviews
  • In 2016 I was diagnosed with L5S1 spondylolisthesis by Dr. Burdi. I was 42 year old, prior division 1 tennis player with an active lifestyle and was living a life where I couldn't lift really anything, nor my newborn son or help out around the house, I was worthless and would have terrible pain ep...
    Sean
  • Large elbow joint infection two days before Memorial Day weekend. Due to intense pain, swelling and lack of movement was admitted to the hospital. After MRI on Sunday, Dr. Guerrero performed the jointing washing on Sunday. Anesthesiology to pre-op prep went smoothly. Dr. Guerrero made his introd...
    Michael
  • Dr. Marandola is beyond EXCEPTIONAL! His compassionate demeanor & carefully articulated explanation of my first surgery while answering all questions to put me at ease, exceeded every expectation. Dr. M is a skillful master at his surgical craft. The Pre-OP with Jason, PA was detailed & personali...
    B.
  • My name is Jeff. I am 58 years old, in excellent health, a father, husband, business leader, and up until 3 yrs ago was extremely active. My life changed when I hit a rock surfing in Mexico. My injury caused intense crippling pain in the right leg. I thought I damaged my hip but, after months of re...
    jeff
  • I always wish to thank Community Orthopedic Medical Group for their outstanding care! First, before speaking about my right hip surgery-I wish to acknowledge one of the most caring Orthopedic Surgeons. His name is Dr. Kent Adamson. I had been under the care of Dr. Adamson for at least 10 years, wher...
    Kathleen
Patient Journey
  • Consultation
  • Diagnostics
  • Treatment
    Options
  • Preparing for
    Surgery
  • Procedure
  • Post
    Operative Care
  • Recovery
  • Consultation
  • Diagnostics
  • Treatment
    Options
  • Preparing for
    Surgery
  • Procedure
  • Post
    Operative Care
  • Recovery
Patient Education & Resources

Watch these videos to learn more about the various conditions affecting your shoulders hips & knees and their treatment options. Also, find all the information you need to recover faster & more effectively post surgery.

Recent Articles

Dr. Gardner's patient and her journey with her ROSA Robotic Knee Replacement was featured in the fall edition of "Health Matters."

In 1993, Ann Choi, then 23 and a student at UC Santa Barbara,was walking across the...

Carpal Tunnel Syndrome

article written by Dr. John Morris appearing in the January 2010 issue of

Community Orthopedic Medical Group

26401 Crown Valley Parkway,
Suite 101
Mission Viejo, CA 92691

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  • After Hours :
  • Fax :
Mon – Fri : 8am – 5pm