Overview
Mark Northfield is a Sports Medicine specialist and a General Surgeon in Petaluma, California. Dr. Northfield is highly rated in 5 conditions, according to our data. His top areas of expertise are Frozen Shoulder, Bursitis, Tendinitis, Osteoarthritis, and Hip Replacement. Dr. Northfield is currently accepting new patients.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
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Stanford Health Care
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Frequently Asked Questions about Dr. Mark R. Northfield
How do I make an appointment with Dr. Mark R. Northfield?
You can book an appointment with Dr. Mark R. Northfield by calling their office at 707-778-1131. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Mark R. Northfield a top-rated expert for Frozen Shoulder?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mark R. Northfield is classified as an Advanced expert for Frozen Shoulder, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Mark R. Northfield specialize in?
While Dr. Mark R. Northfield is a Sports Medicine, they have specific expertise in Frozen Shoulder, Bursitis, and Tendinitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Sports Medicine.
Does Dr. Mark R. Northfield accept my insurance?
Dr. Mark R. Northfield accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 707-778-1131 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- BursitisDr. Northfield isAdvanced. Learn about Bursitis.
- Frozen ShoulderDr. Northfield isAdvanced. Learn about Frozen Shoulder.
- OsteoarthritisDr. Northfield isAdvanced. Learn about Osteoarthritis.
- TendinitisDr. Northfield isAdvanced. Learn about Tendinitis.
- TenosynovitisDr. Northfield isAdvanced. Learn about Tenosynovitis.
- Experienced
- ArthritisDr. Northfield isExperienced. Learn about Arthritis.
- Carpal Tunnel SyndromeDr. Northfield isExperienced. Learn about Carpal Tunnel Syndrome.
- Cervical SpondylosisDr. Northfield isExperienced. Learn about Cervical Spondylosis.
- Hip ReplacementDr. Northfield isExperienced. Learn about Hip Replacement.
- Tennis ElbowDr. Northfield isExperienced. Learn about Tennis Elbow.

