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Dr. Mark Sullivan, MD

Issaquah, WA

42 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Sullivan, Internist in Issaquah, WA?

    Dr. Mark Sullivan, MD is an Internist, who primarily practices in Issaquah, WA with 2 additional practice locations. He has been practicing for over 42 years. Dr. Sullivan is fluent in English, and is currently seeing new patients. Dr. Sullivan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sullivan’s office at (206) 215-2520.

    What are Areas of Expertise for Dr. Sullivan?

    Dr. Mark Sullivan, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Sullivan empowers patients to confidently navigate their health journey, specializing in Pain-Chronic, Psychiatry in Terminal Illness, or comprehensive wellness support. Serving the Issaquah/WA community, Dr. Sullivan is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Sullivan speak?

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

    • English

    Which conditions does Dr. Sullivan treat as an Internist?

    As an Internist, conditions treated by Dr. Mark Sullivan may include:

    Please contact Dr. Sullivan's office for more information or to schedule a consultation.

    Which procedures does Dr. Sullivan perform as an Internist?

    As an Internist, procedures performed by Dr. Mark Sullivan may include:

    For detailed information, please contact Dr. Sullivan's office.

    Does Dr. Sullivan accept my insurance?

    Dr. Sullivan accepts most major insurance plans. Important: Please call our office at (206) 215-2520 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Sullivan accept in Issaquah, WA?

    Dr. Sullivan in Issaquah, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Allied Benefit Systems

    • Cambia (Regence)

    • CVS Health (formerly Aetna)

    • Medicare

    • Other Health Care Provider

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Sullivan's office located?

    Dr. Mark Sullivan's Primary Practice

    751 NE Blakely Dr

    Issaquah, WA 98029

    (206) 215-2520

    Get Directions

    Dr. Mark Sullivan's Practice 2

    21601 76th Ave W

    Edmonds, WA 98026

    Get Directions

    Dr. Mark Sullivan's Practice 3

    747 Broadway

    Seattle, WA 98122

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

    Dr. Sullivan's National Provider Identifier (NPI) number is 1952341869.

    What common questions do patients ask about Dr. Sullivan?

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

    What is Dr. Mark Sullivan's specialty?

    Dr. Sullivan is a Internist near Issaquah, WA.

    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.

    Contact Dr. Sullivan to book an appointment today.

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

    Yes, Dr. Sullivan is affiliated with UW Medical Center - Montlake which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Internist?

    Explore Internist with 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 Sullivan accepting new patients in Issaquah, WA?

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

    Does Dr. Mark Sullivan offer online booking?

    Please contact Dr. Sullivan's office at (206) 215-2520 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Sullivan?

    Please contact Dr. Sullivan's office at (206) 215-2520 for information regarding telehealth appointment availability or for scheduling assistance.

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