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Meet the Doctors

Board Certified Chiropractic Physician, Certified Strength and Conditioning Specialist

  • Karl Petrie,
    D.C., C.S.C.S.

    Dr. Karl Petrie is from Toronto, Canada. He is a graduate of York University in Toronto with a Bachelor of Arts degree with his disciplines being Kinesiology and Urban Development. Upon graduation he moved to Chicago, Illinois to attend The National University of Health Sciences (N.U.H.S.). While at N.U.H.S. he earned his Bachelor of Science Degree with a focus in human biology and his Doctor of Chiropractic Degree. During that time he also earned his Certified Strength and Conditioning Specialist credentials from the National Strength and Conditioning Association as well as his Certified Golf Fitness Instruction certificate from the Golf Institute.

    Upon graduation from N.U.H.S. he moved to Radford, Virginia to start a clinic on the Radford University campus and also work with the University as an assistant strength and conditioning coach and eventually ice hockey coach during the 2004 season.

    While submersed in his education he also enjoyed helping people of all fitness levels with their fitness/ athletic/ conditioning goals. He has designed programs, helped manage nutritional needs, worked one on one and in groups with many aspiring to get healthier and feel better. He has also helped people with special circumstances such as fibromyalgia patients, establish and execute exercise programs that help them achieve a better quality of life. He has worked with athletes of all levels and helped them improve their conditioning and essentially their sports performance. His knowledge and love of health and fitness has allowed him to help many reach their goals, whatever they may be!

    When injuries do occur Dr Petrie utilizes his strong educational background as well as his extensive athletic background in hockey and football to get people on the right path to health. His own history allows him a great understanding of the desire that athletes and weekend warriors have to get back on the field and to not let injuries inhibit performance. Due to his excellent training and personal experience with many issues he prides himself on developing treatment plans that work quickly to keep everyone happy, whether they are office workers or construction workers or elite athletes! Let Dr Petrie help you get out of pain today and allow him to help you maximize your body's potential.

  • Dr.
    Shannon Bloch,

    Dr. Shannon Bloch is originally from Kitchener, Ontario Canada. She attended the University of Waterloo where she graduated with a Bachelors of Science. It was in undergrad that she realized she had a passion for helping others live a healthy lifestyle, which is what led her to pursue a career in chiropractic. After graduation she moved to New York to attend New York Chiropractic College. Dr. Bloch graduated with honors and gained extensive clinical experience at New York Chiropractic College. She spent the last year treating patients in Buffalo, New York where she treated patients at multiple clinical rotations including the Buffalo Veterans Affairs Hospital.

    While in Chiropractic College, Dr. Bloch took a great interest in how chiropractic and nutrition can work together to help patients achieve a healthy lifestyle. This led her to additionally pursue a Masters degree in Applied Clinical Nutrition.

    Dr. Bloch treats a variety of conditions and enjoys treating all types of patients including pregnant women, children, athletes and many others. Dr. Bloch uses a variety of hands on chiropractic and soft tissue techniques and is certified in RockTape Level I and II Functional Movement Taping.

    Dr. Bloch is a member of the International Chiropractic Pediatric Association and is certified in the Webster Technique, which specializes in treating the pelvic alignment and biomechanics of pregnant women.

    Dr. Bloch is very excited to have moved to the area to join the team at American Health & Wellness Center and begin to treat the Herndon and Northern VA community!

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Office Hours

Our Regular Schedule

Herndon Office


7:00 am-7:30 pm


7:00 am-1:00 pm

3:30 pm-7:30 pm


10:00 am-7:30 pm


7:00 am-1:00 pm

3:30 pm-7:30 pm


7:00 am-1:00 pm

3:30 pm-6:00 pm


8:00 am-10:00 am


9:00 am-11:00 am