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Dr. William Matzner, MD, PHD

Dr. William Matzner, MD, PHD

Simi Valley, CA

Accepting patients

    Who is Dr. Matzner, Internist in Simi Valley, CA?

    Dr. William Matzner, MD, PHD is an Internist, who primarily practices in Simi Valley, CA with 1 additional practice location. He is board certified. Dr. Matzner completed his residency at Cedars-Sinai Med Ctr, Internal Medicine. Dr. Matzner is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Matzner’s office at (805) 497-2727.

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

    • Residency: Cedars-Sinai Med Ctr, Internal Medicine | Cedars-Sinai Medical Center

    Is Dr. Matzner board certified as an Internist?

    Yes, Dr. William Matzner, MD, PHD is board certified by the American Board of Internal Medicine since 1988

    What languages does Dr. Matzner speak?

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

    • English

    • Spanish

    What conditions does an Internist like Dr. Matzner typically treat?

    As an Internist, conditions treated by Dr. William Matzner may include:

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

    What procedures does an Internist like Dr. Matzner typically perform?

    As an Internist, procedures performed by Dr. William Matzner may include:

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

    Does Dr. Matzner accept my insurance?

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

    Where is Dr. Matzner's office located?

    Dr. William Matzner's Primary Practice

    143 Parrot Ln

    Simi Valley, CA 93065

    (805) 497-2727

    Get Directions

    Dr. William Matzner's Practice 2

    215 W Janss Rd

    Thousand Oaks, CA 91360

    Get Directions

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

    Dr. Matzner's National Provider Identifier (NPI) number is 1306905716.

    What common questions do patients ask about Dr. Matzner?

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

    What is Dr. William Matzner's specialty?

    Dr. Matzner is a Internist near Simi Valley, CA.

    What does an Internist do?

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Is this Dr. William Matzner affiliated with a ranked Castle Connolly Top Hospital?

    No, Matzner 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 an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 William Matzner accepting new patients in Simi Valley, CA?

    Yes, Dr. William Matzner is accepting new patients at this time.

    Does Dr. William Matzner offer online booking?

    Please contact Dr. Matzner's office at (805) 497-2727 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Matzner?

    Please contact Dr. Matzner's office at (805) 497-2727 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Matzner have?

    Dr. William Matzner is certified by the American Board of Internal Medicine.

    <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>