Dr. Agger has been the Attending Physician for the Oregon Ballet Theater for over 13 years.

Dr. Simon Agger has a passion for his work and truly believes that we can get the most out of our bodies if we can just give them the right support: Whole food nutrition, functional testing, exercise, positive thinking, soft tissue and structural support through regular Chiropractic Care and proper Nutrition. 

Dr. Agger treats the full spine and extremities using Diversified, Drop-Table and Activator techniques.

Functional Testing, Nutritional Response Testing, whole food nutrition, diet and lifestyle counseling are also a very big part of the practice.

Dr Agger was born and raised in the scenic village of Queniborough, outside of Leicester, in the East-Midlands of England.

As he puts it, “Queniborough is located halfway between Robinhood and Shakespeare.”

He has been interested in health and nutrition since he was a teenager.

Chiropractic Physician.

Clinical Nutritionist.

Mentor for Human Nutrition and Functional Medicine MS degree Graduate students and doctors.

Supervisor for Certified Nutrition Specialist 1000hr post grad clinical training.

Advanced training in Concussion, auto accident and brain injuries.

Advanced training in Western Herbal Medicine.

Natural medicine doctor focusing on:

  • Decreasing inflammation naturally and wholistically
  • Author of ‘5 Steps to health: taking your patients from chaos to order’ For healthcare professionals.
  • Physical rehabilitation of injury/accidents/chronic pain
  • Brain health, Brain fog and concussion
  • Wellness care

Speaker to other doctors/ Healthcare practitioners teaching them how to implement successful treatment strategies to restore balance to the body using natural means including Whole food nutrition, herbal medicines, exercise, manipulation, diet & lifestyle changes.

5 steps to health: Taking your body from chaos to order- 8 -12 hr seminars 2018-present.

Clinical Mastery in handling the inflamed patient 8 hour 2020 seminar.

Speaker to corporations, sports clubs and businesses on increasing employer and employee performance, health and wellness.

Motivational Speaker.

Attending Physician for the Oregon Ballet Theatre 2005-present.


Simon and his wife, Jo Ellen, who manages the clinic, have two children.

In his personal life, Dr. Agger is very involved in soccer, as a player, as a coach for his children’s teams, a past board member on the local club in his community, and as a lifelong fan of Manchester City Football Club. Dr Agger is also an avid Crossfitter, gardener, drummer and music aficionado.

He and his family also support the Portland Timbers. 

We are confident you will find our practice friendly and professional and we look forward to guiding you back to the things you love to do. Make your appointment today- 503-236-1304 CLICK TO CALL


Agger Chiropractic & Nutrition Clinic

503-236-1304 Click to Call

Fax 503-236-3182

2705 E. Burnside St. Suite 100
Portland, OR 97214

Located in the historic Burnside Trolley Building, just W of the Laurelhurst Theatre.


Monday          9.00 - 1.00pm
                         2.00 - 5.30pm

Tuesday          9.00 - 1.00 pm

Wednesday    9.00 - 1.00pm
                          2.00 -  5.30pm 

Thursday        9.00 - 1.00pm
                          2.00 - 5.30pm