Summary

Dr. Mark Northfield treats arthralgia, knee pain, and knee sprain, and performs bursa aspiration, bursa injection, and arthrocentesis. He has practiced orthopedic surgery for 35 years and is affiliated with Petaluma Valley Hospital.

Dr. Northfield earned his medical degree from Warren Alpert Medical School of Brown University and completed his residency at UCLA Medical Center. He sees patients in Petaluma, California. Patients on Vitals rate Dr. Northfield 3.78 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 35 years of experience
  • 23 insurance plans accepted
  • speaks English
  • Ucla Medical Center
  • 9 written reviews
  • 1 specialty
  • 17 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Saint Joseph Medical Group

1496 Professional Dr Ste 601Petaluma, CA 94954
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 12:00 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 12:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr. Mark Robert Northfield, MD
Jay Parkin, MD
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Dr. Mark Robert Northfield, MDJay Parkin, MDNeil Pathare, MDRobert Peterson, MD
Orthopedic SurgeryOrthopedic SurgeryOrthopedic SurgeryOrthopedic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
2.2 
5 
3.1 
35 Years of Experience 38 Years of Experience 20 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks Chinese, English, Spanish Speaks English
Petaluma , CAFairfield , CAFairfield , CAVacaville , CA
Med School: Warren Alpert Medical School Of Brown University Med School: Stanford University School Of Medicine Med School: Tufts University School Of Medicine Med School: Albert Einstein College Of Medicine Of Yeshiva University
Current Profile
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Insurance Plans Accepted by Dr. Mark Robert Northfield

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Cigna
  • Community Health Options
  • Health Net - HMO
  • HealthPartners
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Partnership HealthPlan of California
  • Providence Health Plans
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

Dr. Mark Robert Northfield has the following specialty

Specialty Expertise

Dr. Mark Robert Northfield has the following 17 areas of expertise

  • Arthroscopic Surgery (Arthroscopy)
  • Arthroscopy
  • Bone Fracture
  • Carpal Tunnel Syndrome
  • Herniated Disc
  • Hip Osteoarthritis
  • Hip Surgery
  • Hip Surgery (Hip Replacement Arthroplasty)
  • Joint Pain/Swelling
  • Joint Replacement
  • Knee Osteoarthritis
  • Knee Surgery (Knee Replacement Arthroplasty)
  • Laminectomy
  • Osteoarthritis
  • Scoliosis
  • Sports Medicine
  • Surgery

Certifications, License, & Education

35 Years Experience

Dr. Mark Robert Northfield holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Ucla Medical Center.

Medical School

Graduated from Warren Alpert Medical School Of Brown University in 1991.

NPI Number

Dr. Northfield's NPI number is 1861406316.

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Frequently Asked Questions

Which hospitals is Dr. Mark Northfield affiliated with?
Dr. Mark Northfield is affiliated with Petaluma Valley Hospital.
Does Dr. Mark Northfield accept my insurance?
You can see the insurance plans that Dr. Mark Northfield accepts on their Vitals profile.
Where is Dr. Mark Northfield's office located?
Dr. Mark Northfield's office is located at 1496 Professional Dr Ste 601, Petaluma, CA, 94954.
How can I make an appointment with Dr. Mark Northfield?
You can find contact information for Dr. Mark Northfield here on Vitals.
Does Dr. Mark Northfield accept virtual/telehealth appointments?
Dr. Mark Northfield has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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