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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Mark R. Northfield, MD

4.7 out of 5 (81 Ratings)
Specialty
  • Orthopedic Surgery
  • Sports Medicine
  • General Surgery Minimally Invasive General Surgery
Additional Language Spoken
English
Medical Groups & Affiliations
  • St. Joseph Health Medical Group
  • St. Joseph Health Medical Network
Address
St. Joseph Health Medical Group - Petaluma - Orthopedics
1496 Professional Drive
Suite 601
Petaluma, CA 94954
Accepting New Patients

Primary Office

Address
St. Joseph Health Medical Group - Petaluma - Orthopedics
1496 Professional Drive
Suite 601
Petaluma, CA 94954
Get Directions
Phone
(707) 778-1131
Fax
(707) 778-3818

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Orthopedic Surgery
    • Sports Medicine
    • General Surgery Minimally Invasive General 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

  • 10-Jun-2020
    The visit was very satisfactory.
    8-Jun-2020
    Always a good visit, I've had no problems.
    3-Jun-2020
    Dr. Northfield was great. Spent a lot of time talking with me and did extremely thorough exam. He was very knowledgeable with regard to my condition and carefully explained further imaging studies and recommended treatment. Really wonderful physician.
    1-Jun-2020
    Dr Northfield always helps me, answers my questions and provides superb treatment.
    28-May-2020
    *Dr. Northfield is very caring & explains every procedure.
    27 Total Comments Page 1 2 3 4 5 6   Next