New Search Back to Search Results 11782 Share Profile Mark R. Northfield, MD 4.6 out of 5 Specialty Orthopedic Surgery Sports Medicine Hips, shoulders, knees Minimally invasive surgery Phone (707) 778-1131 Address Orthopedics - Petaluma 1496 Professional Dr. Suite 601 Petaluma, CA 94954 Get Directions Accepting New Patients Primary Office Address Orthopedics - Petaluma 1496 Professional Dr. Suite 601 Petaluma, CA 94954 Get Directions Phone (707) 778-1131 Fax (707) 778-3818 More Information Website www.stjosephhealth.org The patient rating score is based on responses and comments from Press Ganey. Responses are measured on a 10 point scale, with 10 being the best score. These scores are then translated to a 5 point scale in order to display results in a 5 Star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered libel, or may contain private health information, or is unrelated to the provider being reviewed. Learn more about Press Ganey star rating calculations Meet The Doctor Specialties & Education Primary Specialties Orthopedic Surgery Sports Medicine Hips, shoulders, knees Minimally invasive surgery Education & Training Medical School Harbor- UCLA Medical Center Medical School University of California- Los Angeles School of Medicine Medical School Brown University Program in Medicine Internship University of California- Los Angeles School of Medicine Internship Harbor- UCLA Medical Center Internship Brown University Program in Medicine Residency Brown University Program in Medicine Residency University of California- Los Angeles School of Medicine Residency Harbor- UCLA Medical Center Areas of Interest Orthopedic Surgery Biography Biography Biography Dr. Mark Northfield is an orthopedic surgeon in Petaluma, California and is affiliated with Petaluma Valley Hospital. He received his medical degree from Warren Alpert Medical School of Brown University and has been in practice for more than 20 years. Publications & Presentations Northfield, M., Patel, R. K., Richardson, A., Taylor, M. D., Richardson, P. D. "Lifestyle changes in mild asthma during intermittent symptom-related use of terbutaline inhaled via ''Turbohaler''.." Curr Med Res Opin Nankani, J. N., Northfield, M., Beran, Y. M., Richardson, P. D. "Changes in asthmatic patients'' symptoms and lifestyles on institution of inhaled budesonide therapy.." Curr Med Res Opin Reviews Reviews About Our Survey 2-Apr-2018 Great staff and, overall, a outstanding care experience due to the professionalism of the entire team. 23-Feb-2018 Terrific doctor & staff. 21-Feb-2018 great experience if I need help I would go back to them. 26-Jan-2018 I've had two bad surgeries by this provider. My knee needed a revision surgery by UCSF. 25-Jan-2018 He did not spend time the nurse did everything. 16 Total Comments Page 1 2 3 4 Next Back to Search Results