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Dr. Mark Northfield, MD

Petaluma, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Northfield, Orthopedic Surgeon in Petaluma, CA?

    Dr. Mark Northfield, MD is an Orthopedic Surgeon, who primarily practices in Petaluma, CA. He is board certified. Dr. Northfield graduated from The Warren Alpert Medical School of Brown University and completed his residency at La Co Harbor Ucla Med Ctr, Orthopedic Surgery; Univ Ca Sf Med Ctr, General Surgery. Dr. Northfield is fluent in English and Spanish, and is currently seeing new patients. Dr. Northfield’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Northfield’s office at (707) 778-1131.

    Where did Dr. Northfield go to medical school and complete their residency?

    • Residency: La Co Harbor Ucla Med Ctr, Orthopedic Surgery; Univ Ca Sf Med Ctr, General Surgery | Harbor-UCLA Medical Center

    • Medical School: The Warren Alpert Medical School of Brown University

    Is Dr. Northfield board certified as an Orthopedic Surgeon?

    Yes, Dr. Mark Northfield, MD is board certified by the American Board of Orthopaedic Surgery

    What languages does Dr. Northfield speak?

    Dr. Northfield and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does an Orthopedic Surgeon like Dr. Northfield typically treat?

    As an Orthopedic Surgeon, Dr. Northfield diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Northfield. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Pain in Right Knee
    • Pain in Left Knee
    • Knee Injuries and Disorder
    • Pain
    • Right Knee Ache
    • Right Knee Discomfort
    • Sore Right Knee
    • Left Knee Ache
    • Left Knee Discomfort
    • Sore Left Knee

    ICD-10 Codes:

    • M25561: Pain in right knee
    • M25562: Pain in left knee

    Also known as:

    • Right Hip Pain
    • Left Hip Pain
    • Hip Injuries and Disorder
    • Pain
    • Sore Right Hip
    • Right Hip Ache
    • Right Hip Discomfort
    • Sore Left Hip
    • Left Hip Ache
    • Left Hip Discomfort

    ICD-10 Codes:

    • M25551: Pain in right hip
    • M25552: Pain in left hip

    Also known as:

    • Joint Replacement Aftercare
    • Hip Replacement
    • Joint Disorder
    • Knee Replacement
    • Post-joint replacement care
    • Joint surgery recovery
    • Orthopedic aftercare

    ICD-10 Codes:

    • Z471: Aftercare following joint replacement surgery

    Also known as:

    • Primary Osteoarthritis in Right Hip
    • Osteoarthritis
    • Right Hip Arthritis
    • Right Hip Degenerative Joint Disease

    ICD-10 Codes:

    • M1611: Unilateral primary osteoarthritis, right hip

    What procedures does an Orthopedic Surgeon like Dr. Northfield typically perform?

    As an Orthopedic Surgeon, Dr. Northfield performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Northfield. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Joint or Bursa Injection/Fluid Removal
    • Arthrocentesis
    • Major Joint Aspiration
    • Bursa Injection
    • Joint Fluid Removal

    CPT Codes:

    • 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance

    Does Dr. Northfield accept my insurance?

    Dr. Northfield accepts most major insurance plans. Important: Please call our office at (707) 778-1131 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Northfield accept in Petaluma, CA?

    Dr. Northfield in Petaluma, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene Corporation

    • City of Providence (RI)

    • Elevance Health Inc. (formerly Anthem)

    • Imperial Health Holdings

    • Medicare

    • Molina Healthcare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Northfield's office located?

    Dr. Mark Northfield's Primary Practice

    1496 Professional Dr Ste 601

    Petaluma, CA 94954

    (707) 778-1131

    Get Directions

    What is Dr. Northfield's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Northfield's National Provider Identifier (NPI) number is 1861406316.

    What common questions do patients ask about Dr. Northfield?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Northfield

    What is Dr. Mark Northfield's specialty?

    Dr. Northfield is a Orthopedic Surgeon near Petaluma, CA.

    What does an Orthopedic Surgeon do?

    An orthopedic surgeon has specialization in preserving, investigating, and restoring the form and function of the extremities, spine, and related structures through medical, surgical, and physical methods. They care for patients with musculoskeletal issues, including congenital deformities, trauma, infections, tumors, metabolic disturbances, and degenerative diseases affecting the spine, hands, feet, knees, hips, shoulders, and elbows in both children and adults. Additionally, orthopedic surgeons address primary and secondary muscular problems and the impact of central or peripheral nervous system lesions on the musculoskeletal system.

    Is this Dr. Mark Northfield affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Northfield is affiliated with Providence Santa Rosa Memorial Hospital, Novato Community Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see an Orthopedic Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Orthopedic Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Mark Northfield accepting new patients in Petaluma, CA?

    Yes, Dr. Mark Northfield is accepting new patients at this time.

    Does Dr. Mark Northfield offer online booking?

    Please contact Dr. Northfield's office at (707) 778-1131 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Northfield?

    Please contact Dr. Northfield's office at (707) 778-1131 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Northfield have?

    Dr. Mark Northfield is certified by the American Board of Orthopaedic Surgery.

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