Careers With St. Joseph Health

Our Values are more than just words.

They form the heart and soul of St. Joseph Health and are the prime reason we attract and retain high-caliber employees who believe in the sanctity of their work in our faith-based setting.

Recent News

Irvine school nurses, staff learn Stop the Bleed techniques to respond in mass-casualty situation

Irvine school nurses and athletic trainers on Tuesday, Jan. 30, learned simple techniques that could save lives in a shooting or other ...

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Families anticipate exciting community blessing of surgical center

A community is as strong as its hospital, and with recent investments into Covenant Health Plainview, it’s evident that to our friends ...

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Severe Flu Season Tightens Its Grip on U.S.

Americans are being hit with one of the worst flu seasons in years, with misery now widespread across 46 states, health officials say. In ...

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Here you can find news articles and press releases from St. Joseph Health and it's locations.

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.

Giving back to the community. St. Joseph Health System Office

Mark R. Northfield, MD

4.7 out of 5 (116 Ratings)
Specialty
  • Orthopedic Surgery
  • Sports Medicine
  • Hips, shoulders, knees
  • Minimally invasive surgery
Address
Orthopedics - Petaluma
1496 Professional Dr.
Suite 601
Petaluma, CA 94954
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
  • 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

  • 8-Jun-2018
    #1. *Dr. Northfield
    4-Jun-2018
    Dr. Northfield saw me promptly and had X-ray done immediately. he promptly read X-ray and explained everything to me.
    24-May-2018
    All very good.
    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.
    17 Total Comments Page 1 2 3 4   Next