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Dr. John Mast, MD

Dr. John Mast, MD

Tracy, CA

46 Years of Experience

Accepting patients

    Who is Dr. Mast, Surgeon in Tracy, CA?

    Dr. John Mast, MD is a Surgeon, who primarily practices in Tracy, CA. He has been practicing for over 46 years and is board certified. Dr. Mast graduated from Tuffs University School of Medicine and completed his residency at St Elizabeth'S Med Ctr, General Surgery. Dr. Mast is fluent in English and German, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Mast’s office at (209) 833-3320.

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

    • Residency: St Elizabeth'S Med Ctr, General Surgery | St Elizabeth Hosp | St. Elizabeth's Hospital in Boston | St Elizabeth's Medical Center Program

    • Medical School: Tufts Univ Sch of Med, Boston Ma | Tuffs University School of Medicine | Tufts University School of Medicine

    Is Dr. Mast board certified as a Surgeon?

    Yes, Dr. John Mast, MD is board certified by the American Board of Surgery

    What languages does Dr. Mast speak?

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

    • English

    • German

    What conditions does a Surgeon like Dr. Mast typically treat?

    As a Surgeon, conditions treated by Dr. John Mast may include:

    Please contact Dr. Mast's office directly to confirm care for your specific condition, for more information, or to schedule a consultation.

    What procedures does a Surgeon like Dr. Mast typically perform?

    As a Surgeon, procedures performed by Dr. John Mast may include:

    Please contact Dr. Mast's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Mast accept my insurance?

    Please contact Dr. Mast's office to confirm accepted insurance plans.

    Where is Dr. Mast's office located?

    Dr. John Mast's Primary Practice

    473 W Eaton Ave

    Tracy, CA 95376

    (209) 833-3320

    Get Directions

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

    Dr. Mast's National Provider Identifier (NPI) number is 1508807561.

    What common questions do patients ask about Dr. Mast?

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

    What is Dr. John Mast's specialty?

    Dr. Mast is a Surgeon near Tracy, CA.

    What does a Surgeon do?

    General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery.

    Is this Dr. John Mast affiliated with a ranked Castle Connolly Top Hospital?

    No, Mast is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 a Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a 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 John Mast accepting new patients in Tracy, CA?

    Yes, Dr. John Mast is accepting new patients at this time.

    Does Dr. John Mast offer online booking?

    Please contact Dr. Mast's office at (209) 833-3320 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Mast?

    Please contact Dr. Mast's office at (209) 833-3320 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Mast have?

    Dr. John Mast is certified by the American Board of Surgery.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>