Our Team

  • William Caddoo

    William’s Hours

    Mon: 7:30am – 1:00pm
    Tuesday 11:00am – 6:00pm
    Wednesday 7:30am – 1:00pm
    Thursday 9:00am – 6:00pm
    Friday 7:30am – 2:00pm
    Sat/Sun Closed
  • William H. Caddoo, DC

    • Springfield College ’97, Bachelor of Science
    • New York Chiropractic College ’00, Doctor of Chiropractic
    • Certified: Active Release Technique (ART), Graston Technique, Kinesiotaping


    Chiropractic Physician and owner of Caddoo Rehabilitation Associates in Waltham, Dr Caddoo specializes in the evaluation, treatment and conservative management of Sports Injury. His hands-on approach to care is focused on restoring normal function and keeping athletes active in their sport. His experience and understanding of the athletic patient focuses his care on what is treatable, not just advising them to stop certain activities/sports. Treatments include myofascial release techniques, ART and Graston, joint manipulation, taping techniques and therapeutic exercises to help each patient achieve optimal results.

    Dr. Caddoo enjoys keeping athletes from every level performing at their peak potential. His personal philosophy of always striving to be the best version of ourselves fits well within the athletic community. He enjoys running, reading, the Coast of Maine, polar plunges, endurance sports, and pushing himself to always grow and improve.

  • Maryellen O’Connor, DC

    Maryellen’s Hours

    Mon: 7:30am – 4:00pm
    Tuesday 9:00am – 6:00pm
    Wednesday 7:30am – 4:00pm
    Thursday 9:00am – 6:00pm
    Friday 7:30am – 2:00pm
    Sat/Sun Closed
  • Maryellen O’Connor, DC


    Dr. Maryellen O’Connor, a native of Waltham, studied Exercise Physiology at Rivier College before graduating with her Doctor of Chiropractic degree from New York Chiropractic College in 2007. As a licensed chiropractor she has extensive training in multiple soft tissue modalities and techniques that include Graston Technique, Active Release Technique (ART) and Fascial Distortion Model (FDM). She is a certified RockTape provider as well.

    Maryellen is active in the community participating in high school and employer health fairs. She has interests in pregnancy related pain and postural health and ergonomics.

  • Dr. Al, DC

    Albert Hours

    Mon: 7:40am – 12:20pm
    Tuesday 3:00am – 6:00pm
    Wednesday 7:40am – 12:20pm
    Thursday 3:00pm – 6:00pm
    Sat/Sun Closed

  • Albert Couillard, DC

    Dr. Al is a board-certified chiropractic physician and lifelong resident of Massachusetts. Over the last 11 years, he has owned and operated multiple clinics throughout the Commonwealth and specializes in the treatment of sports-related injuries. With an extensive knowledge of how the nervous system coordinates all human function.

    Dr. Al utilizes a functional approach as to how the spine, extremities and muscles are all truly integrated when an injury occurs. Patients seek Dr. Al as his therapeutic approach has helped many people overcome years of debilitating pain, avoid unnecessary surgeries and enhance their overall quality of living by getting them back to doing the things that they love. Dr. Al’s goal is to help you recover quickly, safely and optimize your body enabling you to maintain a happier and healthier life for years to come.

  • Lori Caddoo, MSPT

  • Lori Caddoo, MSPT
    Clinic Director

    Lori earned her Bachelor of Science from Springfield College in 1997 and her Master of Physical Therapy in 1998. She worked in outpatient orthopedics in upstate New York and The Spine Center of New England Baptist Hospital before joining Bill at Caddoo Rehabilitation Associates in 2004.

    In 2015, she took over as the clinic director. She has completed her First and Second Degree Reiki certifications and is looking forward to providing that service at Caddoo Rehabilitation Associates.

    Outside of the office, she can be found cheering for her boys at their multiple sports, traveling and spending time with her family.

  • Jessica Bonchi, DPT

    Jessica’s Hours

    Mon: 7:30am – 6:00pm
    Tuesday 7:30am – 6:00pm
    Wednesday 7:30am – 6:00pm
    Thursday 7:30am – 6:00pm
    Sat/Sun Closed
  • Jessica Bonchi, DPT
    Physical Therapist


    Jessica attended Boston University, where she earned both her Bachelor of Health Studies in 2015 and her Doctor of Physical Therapy degree in 2017.

    Jessica’s experience has been primarily working in the outpatient setting with orthopedic conditions. She also has experience working with vestibular conditions, and has volunteered at health and wellness fairs at local schools in the area. In addition, Jessica has completed training to perform Graston Technique and Dry Needling.

    Outside of the clinic, Jessica can be found spending time with friends, family, and her dog.

  • Laryssa - Office Manager

  • Laryssa
    Office Manager

  • Maryela - Front Desk Specialist

  • Maryela
    Front Desk Specialist

  • Jetty
  • Jetty
    Office Pup