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Dr. Ryan Sullivan, MD

Cambridge, MA

18 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Sullivan, Internist in Cambridge, MA?

    Dr. Ryan Sullivan, MD is an Internist, who primarily practices in Cambridge, MA with 2 additional practice locations. He has been practicing for over 18 years. Dr. Sullivan completed his residency at Mt Auburn Hosp, Internal Medicine. Dr. Sullivan is fluent in English, Chinese, Greek, Modern (1453-), Hindi, Italian, and Portuguese, and is currently seeing new patients. Dr. Sullivan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sullivan’s office at (617) 724-4000.

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

    • Residency: Mt Auburn Hosp, Internal Medicine

    • Medical School: University Of Ct Sch Of Med- Farmington Ct

    What languages does Dr. Sullivan speak?

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

    • Chinese

    • English

    • Greek, Modern (1453-)

    • Hindi

    • Italian

    • Portuguese

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

    As an Internist, Dr. Sullivan 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. Sullivan. 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 here.

    Also known as:

    • Melanoma
    • Malignant Melanoma
    • Skin Cancer (Melanoma)
    • Cutaneous Melanoma
    • Black Skin Cancer

    ICD-10 Codes:

    • C439: Malignant melanoma of skin, unspecified

    Also known as:

    • Uveal Melanoma
    • Eye Cancer
    • Intraocular (Uveal) Melanoma Treatment (PDQ)
    • Choroidal Melanoma
    • Intraocular Melanoma
    • Cancer of the Choroid

    ICD-10 Codes:

    • C6932: Malignant neoplasm of left choroid

    Also known as:

    • Cancer Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Cancer Spread to Liver and Bile Duct
    • Liver Cancer
    • Metastatic Liver Cancer
    • Secondary Liver Tumor
    • Liver Metastasis

    ICD-10 Codes:

    • C787: Secondary malignant neoplasm of liver and intrahepatic bile duct

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

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

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

    Does Dr. Sullivan accept my insurance?

    Dr. Sullivan accepts most major insurance plans. Important: Please call our office at (617) 724-4000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Sullivan accept in Cambridge, MA?

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

    Top Insurances

    • Blue Cross Blue Shield of Massachusetts

    • Blue Cross Blue Shield of Michigan

    • Cigna Group

    • Federal government of the United States

    • Medicare

    • Point32Health

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Sullivan's office located?

    Dr. Ryan Sullivan's Primary Practice

    330 Mount Auburn St

    Cambridge, MA 02138

    (617) 724-4000

    Get Directions

    Dr. Ryan Sullivan's Practice 2

    2014 Washington St

    Newton, MA 02462

    Get Directions

    Dr. Ryan Sullivan's Practice 3

    40 Second Ave

    Waltham, MA 02451

    Get Directions

    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 1881696003.

    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. Ryan Sullivan's specialty?

    Dr. Sullivan is a Internist near Cambridge, MA.

    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. Ryan Sullivan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Sullivan is affiliated with Massachusetts General Hospital, Emerson Health, Newton-Wellesley Hospital, Brigham And Women's Hospital, North Shore Medical Center - Miami, Fl 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 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 Ryan Sullivan accepting new patients in Cambridge, MA?

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

    Does Dr. Ryan Sullivan offer online booking?

    Please contact Dr. Sullivan's office at (617) 724-4000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ryan Sullivan?

    Please contact Dr. Sullivan's office at (617) 724-4000 for information regarding telehealth appointment availability or for scheduling assistance.

    <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>