Meet Our Team

Meet the Chiro-Medical Group team! Click on a practitioner's photo or name to learn more about them.

  • Scott Calzaretta

    Scott Calzaretta, DC, CCSP


    Dr. Calzaretta is the director and founder of the Chiro-Medical Group. He has been in practice since 1985, and has successfully pioneered the design and operation of a multi-disciplinary health care facility. He has traveled extensively both nationally and abroad treating professional and world class athletes.

    Dr. Calzaretta was a founding board member of F.I.C.S (World Governing Body of Sports Chiropractic). His knowledge and experience in treating athletes was a key factor in his appointment as a team doctor in the 1988 Olympics in Seoul, Korea.  He is a State Appointed Qualified Medical Evaluator and Certified Industrial Disability Examiner.  Dr. Calzaretta has taken his experience in sports and rehabilitative medicine and has successfully integrated them into the comprehensive health care approach offered by the Chiro-Medical Group.


    • University of Delaware: Pre-Medical Undergraduate Program 1982
    • Life Chiropractic College, Doctor of Chiropractic 1985
    • Certified Chiropractic Sports Physician 1988
    • Certified Industrial Disability Examiner 1990
    • State Appointed Qualified Medical Evaluator, California, 1991
    • American College of Sports Medicine Certified Team Physician Program 1991/2004
    • Certification in Manipulation Under Anesthesia, Staff Privileges  SF Surgery Center 1994
    • Titleist Performance Institute Medical Professional Level 3 Certified  2007
    • Independent Medical Evaluator for the State of Alaska
    • SpineCor Accredited for Dynamic Bracing of Scoliosis 2008

    Professional Associations:

    • American Chiropractic Association
    • American Chiropractic Association Sports Council
    • American College of Sports Medicine
    • American Association of Sensory Medicine
    • California Chiropractic Association

    Professional Appointments:

    • XXIV Olympic Games, Seoul, Korea
    • World Martial Arts Championships
    • Jr. Olympics of Taekwondo
    • World Corporate Games
    • World Power lifting Championships
    • North American Powerlifting Championships
    • All African Championships
    • World Championships of Athletics
    • Coors Light Professional Cycling Team
    • United States Olympic Freestyle Ski Team, World Cup Competition
    • Sports Medicine Committee of the United States Taekwondo Union (former)
    • Assistant to the President, Federation Internationale de Chiropratique Sportive(former)
    • Professional Theatre Tour (Cats, Rockets, Damn Yankee, Wizard of Oz,etc.)
    • Team In Training Running & Cycling Club
    • Bill Graham Presents, Another Planet Entertainment-On Call for Bay Area Concert Tour


    • International protocols for Multi-disciplinary Sports Medicine; Los Angeles College of Chiropractic
    • Chiropractor’s Role in a Multi-disciplinary Spine Center; American Back Society, San Francisco, CA
    • Chiropractic Treatment for the Scoliosis Patient: Saint Francis Memorial Hospital, San Francisco, CA
    • Sacroiliac Syndrome; Rome, Italy
    • Management of the Extremity Injury as Part of the Sports Medicine Team; Montreal, Canada
    • Chiropractic Care of the Elite Tennis Player, STMS UCSF Medical Center Sports Medicine, Indian Wells, CA
    • Instructional DVD, Bodyrev Back 2007, exercises for the back (prevention & rehabilitation)
  • Taylor Rabbetz

    Taylor Rabbetz, DC, CCSP


    Taylor Rabbetz, D.C., has practiced chiropractic in the Bay Area since 2000. He graduated from Palmer College of Chiropractic West, cum laude, and specializes in the treatment of sports-related injuries. Dr. Rabbetz utilizes a functional approach as to how the spine and the extremities are truly integrated when an injury occurs with extensive knowledge of soft tissue and repetitive strain injuries. He strongly believes in an integrated approach to health care that combines the effectiveness of several disciplines to provide a more rounded approach to health care.

    Having completed postgraduate programs in active release techniques, Graston and is a graduate of the American College of Sports Medicine Team Physician program, Dr. Rabbetz has served as team physician for many sports teams and events, including the Olympic Club Rugby Team, the US 1/2 Marathon and IronMan Triathlon medical staff. He has lectured to various athletic groups on preventative measures to minimize exposure to injuries as well as the best steps to take once injured.

    Dr. Rabbetz hails originally from Calgary, Alberta, Canada where he earned his undergraduate degree form the University of Calgary.

  • Jake Wardwell

    Jake Wardwell, DO

    Medical Department

    Dr. Wardwell is Board Certified in Family Medicine, Osteopathic Manipulative Medicine and Integrative Medicine. He received his D.O. degree at Michigan State University College of Osteopathic Medicine where he also completed an interdisciplinary Masters in Medical Anthropology and the Philosophy of Integrative Medicine. He completed internship at Maine-Dartmouth Family Medicine Residency and finished residency at Westchester General Hospital in Miami, Florida.

    In addition to being trained in Osteopathic Manipulative Medicine and Family Medicine, Dr. Wardwell has completed training in a number of complementary treatment modalities. These include studying Functional Medicine through the American College for the Advancement of Medicine, training in Acupuncture at Shanghai University of Traditional Chinese Medicine, and learning Prolotherapy and Platelet Rich Plasma Injections under Ultrasound guidance with the American Association of Orthopedic Medicine.

    Dr. Wardwell integrates his knowledge of conventional medicine with the wisdom of holistic medicine. His combined skills offer a synergistic approach to full spectrum health and healing. Upon your first visit, Jake Wardwell, D.O. takes a thorough history and performs a physical exam that incorporates posture and gait analysis as well as Traditional Chinese Medicine diagnostics such as pulse and tongue diagnosis. Jake Wardwell, D.O. aims to address your health concerns by both utilizing therapeutic modalities as well as giving you the tools to enhance your health and live a balanced life.  He calls this approach Wardwellness.

    Dr. Wardwell has treated athletes from the NFL, NHL, NBA and Olympics working to fix problems ranging from bad backs, old injuries, and postural mechanics to GI health and detoxification.

    Dr. Wardwell’s services and expertise include:

    • Osteopathic Manipulation
      Cranio-Sacral, Counter Strain, Myofascial Release, Muscle Energy Technique and High Velocity, Low Amplitude.
    • Acupuncture
      Specializing in sports conditioning and rehabilitation as well as cosmetic acupuncture and facial rejuvenation.
    • Mesotherapy
      A highly specific, micro-injection of medicine including homeopathics, nutrients, growth factors or pharmaceuticals.
    • Prolotherapy
      Utilizing traditional prolotherapy proliferates like Dextrose as well as Platelet Rich Plasma.
    • IV Therapy
      Custom IV nutrition tailored to enhance energy, immunity and stamina as well as replete nutrients that are often low in chronic disease or musculoskeletal conditions. 
    • Functional Medicine 
      Integrative system includes Digestive Health, Detoxification, Cardio Metabolic Health, and Hormonal Balancing.
  • Hal Rosenberg

    Hal Rosenberg, DC, CCSP


    Dr. Hal Rosenberg is a member of the USA Triathlon medical staff, has served a Sports Medicine rotation at the United States Olympic Training Center in Colorado Springs, CO, and is a certified coach for USA Cycling. As a Certified Chiropractic Sports Practitioner (CCSP), Dr. Rosenberg specializes in the treatment of athletes. He has a diverse clinical approach by combining chiropractic, exercise rehabilitation, functional performance enhancement, Functional Movement Screening (FMS), Selective Functional Movement Assessment (SFMA), Graston Technique (GT) soft tissue therapy, and kinesiology KT Tape where he also serves on the medical advisory board. Dr. Rosenberg is a former instructor of Active Release Techniques (ART) soft tissue therapy.


    • American College of Sports Medicine (ACSM)
    • American Chiropractic Board of Sports Physicians (ACBSP)
    • California Chiropractic Association (CCA)
    • American Chiropractic Association (ACA)
    • USA Triathlon (USAT)
    • USA Cycling (USACF)

    An endurance athlete himself, Dr. Rosenberg's clinical practice includes athletes of all levels and disciplines. Additionally, Dr. Rosenberg is a faculty member at Palmer College of Chiropractic West where he teaches on-field management of sports injuries.

    "My goal is to get you out of pain and back to an active and healthy lifestyle as quickly as possible. I educate my patients on how to stay healthy, active, and avoid injuries. I strive to deliver immediate and lasting relief from pain and enhance daily performance."

  • Supreet Shah, DC, MS, CCSP


    From a very young age, Supreet Shah was fortunate to have been groomed to focus on holistic, natural paths to health and wellness. His parents were skeptical when it came to automatically medicating any health concerns, they had both grown up in India and were raised on natural organic wholesome foods.

    As a Midwesterner, Supreet Shah attended University of Wisconsin in Madison where he graduated with a political science degree with a focus on global health. He then went on to earn his doctorate in Chiropractic at Palmer in San Jose, California. He wanted to help his patients navigate the complexities of living a healthy lifestyle by pursuing a master in nutrition from the University of Bridgeport in Connecticut. He mentored in San Francisco for many years before joining our clinic.

    Beyond the clinic, Supreet Shah also has worked as the chiropractor for the Olympic Club Rugby team. This has placed him on-field and in a position of medical authority. Given his certified sports physician credentials he was the point person for all medical emergencies on and off the field. As part of this team he was present at all home and away games. In addition, he was further included in a very unique position of being one of the chiropractors for both the Outside Lands Music Festival and Treasure Island Music Festival. At both festivals, he had the opportunity to treat multiple artists backstage before their performances on stage in front of thousands.

    When Supreet Shah joined Chiro-Medical Group, his intentions were clear: to provide the best, all-natural chiropractic care in San Francisco and to restore his patients' health and make a significant difference in all aspect of their well-being.


    University of Wisconsin - Madison: Pre-Medical Undergraduate Program 2009
    Palmer Chiropractic College - West Campus, Doctor of Chiropractic 2013
    Certified Chiropractic Sports Physician 2014
    University of Bridgeport, Masters in Clinical Nutrition 2015

    Professional Associations:

    American Chiropractic Association (ACA)
    California Chiropractic Association (CCA)
    American Chiropractic Board of Sports Physicians (ACBSP)


  • Tracy Yang, DC


    Dr. Tracy Yang is a native Californian of the Bay Area and currently lives in Alameda, Ca. She completed her undergraduate studies at the University of California, Berkeley where she earned her Bachelors of Arts degree in Molecular and Cell Biology while also minoring in Music. After being introduced to Chiropractic by her cousin who is a success Chiropractor also practicing in the Bay Area, Dr. Yang shortly began her Doctorate of Chiropractic (D.C.) degree at Life Chiropractic College West where she graduated with high honors magna cum laude. There she developed her gentle yet specific Chiropractic touch and love of helping people move towards optimum health.


    Dr. Yang strongly believes in a comprehensive and integrative approach to health. She believes that the key to a healthy lifestyle includes restoring full function and mobility to the body. Dr. Yang practices a wide range of Chiropractic techniques and is knowledgeable in sports rehabilitation/exercises, soft tissue mobilization techniques, posture correction, work station ergonomics, and is also Activator certified, to name a few.


    When she’s out of the office, Dr. Yang is actively involved in serving her local church where she loves to mentor and care for many young people. She's also active in serving the community by offering her time giving health screenings and educating people at local gyms, natural food shops and health fairs. Most recently she volunteered her time to the East Bay Stand Down, delivering Chiropractic care to hundreds of war veterans throughout the East Bay.

  • David Hicks, DC

    David Hicks, DC


    Dr. David M Hicks has spent the majority of his career working in posture and scoliosis correction. He has worked in hospitals and private specialty clinics in Indonesia, China and The United States over the last 12 years, most recently completing a three year assignment as Director of Scoliosis Rehabilitation in St. Louis, Missouri. Dr. Hicks' specialty is spinal biomechanics, and he brings The Spinal Analysis Software System with him to his new home here at Chiro-Medical Group. When he is not treating patients he enjoys practicing martial arts, and weight training.

  • Megan Lewis, DPT, OCS, ATC

    Physical Therapy

    Megan Lewis, PT, OCS, ATC and Certified Pilates Instructor, has joined our staff with over 20 years of experience as a physical therapist.

    She has extensive knowledge in evaluation and treatment of orthopedic sports, spinal and extremity care. She received her training at Boston University, BS, 1990. She went on to receive her certification as an Athletic Trainer in 1995. She has practiced Pilates-evolved rehabilitation in a physical therapy environment since 2000 and received her training at the Physical Mind Institute now located in NYC. She received certification in Active Release Techniques 2005 for lower extremity and 2007 for upper extremity as well as her orthopedic specialist exam in 2007.

    Megan is a member of the San Francisco Triathlon club and just completed her third Ironman in June. She has also been a participant of Team and Training for 6 years and is now an assistant coach for the Fall Tri team. When she is not swimming, biking or running you may find her doing yoga.

  • Shailaja Bulusu, DPT

    Physical Therapy

    Shailaja Bulusu, DPT received her Doctorate in Physical Therapy from Samuel Merritt University. She specializes in Sports and Orthopedics with a focus on integrating neurological rehabilitation techniques in order to facilitate optimal movement patterns in an outpatient environment. She has a passion for maximizing function, relieving pain, and optimizing physical performance for her clients. Her skills include gait analysis, cup therapy, myofascial release, functional mobilization, muscle energy techniques, successfully correcting movement impairment syndromes, and PNF techniques.

    In her free time Shailaja enjoys the excellent food that San Francisco has to offer, hiking, ballet barre classes, and traveling.

  • Amanda Bloch, DPT

    Amanda Bloch, DPT

    Physical Therapy

    Amanda Bloch, PT, DPT attended San Diego State University for 4 years, and graduated in 2014 with a Bachelors of Science in Kinesiology. While attending SDSU she was a member of their competitive dance team. As a dancer since a young age, Amanda grew a curiosity and passion to learn about the intricacies of the human body.

    In 2016, Amanda graduated with her Doctorate in Physical Therapy from the University of St. Augustine for Health Sciences in San Marcos, CA. During her education, she took a wide variety of advanced manual therapy courses where she learned techniques for treatments of orthopedic conditions of the extremity and spine. Amanda received accolades at the end of her program for Excellence in Manual Therapy and Scholastic Achievement for graduating at the top of her class.

    Amanda specializes in the evaluation and treatment of a wide range of orthopedic injuries with a treatment approach that utilizes hands on manual therapy techniques adjunct with therapeutic exercise to improve the whole patient, instead of the immediate injury. She has also had experience working in Vestibular Rehabilitation in treatment of conditions such as vertigo, traumatic brain injuries, BPPV, and dizziness.

    Amanda has a genuine thirst for knowledge and curiosity about the latest advancements in physical therapy. She looks forward to not only healing her patients immediate injuries, but enabling them with a program necessary to stay healthy and excel long term.

  • Melissa Maker, PTA

    Physical Therapy

    Melissa graduated from Carrington College of California in Pleasant Hill with an Associate of Science degree and is a licensed physical therapist assistant. She has worked in out-patient orthopedic PT clinics for the last 10 years in various capacities. In addition to her PTA license, Melissa has been a certified therapeutic horse riding instructor for the past 16 years, working with children with special needs in nearby Orinda, CA. That is where she discovered the joy of helping to restore patients to their best physical potential.

    Melissa’s main passion is equestrian. She has ridden most of her life, including many years competing in dressage and 3-day eventing. She also enjoys spending time with her Australian Shepherd hiking, running and performing agility, as well as playing tennis and skiing.

  • Jennifer Lima, PT Aide

    Jennifer Lima, PT Aide

    Physical Therapy

    Jennifer graduated from Saint Mary's College of California and received a BA in Kinesiology with a health and human performance emphasis. During her time there, she had an internship in the athletic training room working with a variety of D1 athletes. Her internship, as well as her time working at Chiro-Medical Group, has taught her to appreciate how the body works and what it takes to rehabilitate the body back to its fullest capabilities.  Jennifer's goal is to go on to graduate school and earn a doctorate in physical therapy. In her free time, she enjoys playing and watching soccer and finding new places in the Bay Area to explore. 

  • Benny Cheung, PT Aide

    Benny Cheung, PT Aide

    Physical Therapy

    If there is one thing you need to know about him, it's that he loves being active; whether its working out at the gym, going out for a hike, or simply going out with friends. Some "runner up" hobbies include cooking, trying new things, and learning more about how the human body works. Currently, he is working with Chiro-Medical Group, Inc. as a Physical Therapist Aide to broaden his knowledge and complete the necessary requirements for a Physical Therapy degree. His long term goals are to obtain his Doctor of Physical Therapy license and apply his skills for those in need of rehabilitative services.