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Dr. Ramaswamy Viswanathan, MD

Brooklyn, NY

47 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Viswanathan, Addiction Medicine Specialist in Brooklyn, NY?

    Dr. Ramaswamy Viswanathan, MD is an Addiction Medicine Specialist, who primarily practices in Brooklyn, NY. He has been practicing for over 47 years and is board certified. Dr. Viswanathan graduated from Madras Med College and completed his residency at Kings County Hosp Ctr, Psychiatry; Queens Hosp Ctr, Internal Medicine; Brooklyn Hosp Ctr, Internal Medicine. Dr. Viswanathan is fluent in English and Tamil, and is currently seeing new patients. Dr. Viswanathan’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Viswanathan’s office at (718) 270-1808.

    What are Areas of Expertise for Dr. Viswanathan?

    Dr. Ramaswamy Viswanathan, MD is a highly-rated, board-certified Addiction Medicine Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Viswanathan empowers patients to confidently navigate their health journey, specializing in Anxiety Disorders, Depression, and comprehensive wellness support. Serving the Brooklyn, NY community, Dr. Viswanathan is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Kings County Hosp Ctr, Psychiatry; Queens Hosp Ctr, Internal Medicine; Brooklyn Hosp Ctr, Internal Medicine

    • Medical School: Madras Med Coll, Dr M G R Med University, Madras, Tn, India | Madras Med College

    Is Dr. Viswanathan board certified as an Addiction Medicine Specialist?

    Yes, Dr. Ramaswamy Viswanathan, MD is board certified by the American Board of Internal Medicine , American Board of Psychiatry and Neurology

    What languages does Dr. Viswanathan speak?

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

    • English

    • Tamil

    What conditions does an Addiction Medicine Specialist like Dr. Viswanathan typically treat?

    As an Addiction Medicine Specialist, Dr. Viswanathan 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. Viswanathan. 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:

    • Generalized Anxiety Disorder
    • Anxiety
    • GAD
    • Chronic Worry
    • Excessive Worry Disorder

    ICD-10 Codes:

    • F411: Generalized anxiety disorder

    Also known as:

    • Depression (Single Episode)
    • Recurrent Depression
    • Depression
    • Major depression
    • Depressive episode
    • Clinical depression
    • Chronic depression
    • Repeated depressive episodes

    ICD-10 Codes:

    • F329: Major depressive disorder, single episode, unspecified
    • F339: Major depressive disorder, recurrent, unspecified

    Also known as:

    • Panic Disorder
    • Anxiety
    • Panic Attacks
    • Episodic Anxiety
    • Paroxysmal Anxiety

    ICD-10 Codes:

    • F410: Panic disorder [episodic paroxysmal anxiety]

    Also known as:

    • Bipolar Disorder
    • Manic depression
    • Bipolar illness
    • Mood disorder

    ICD-10 Codes:

    • F319: Bipolar disorder, unspecified

    What procedures does an Addiction Medicine Specialist like Dr. Viswanathan typically perform?

    As an Addiction Medicine Specialist, procedures performed by Dr. Ramaswamy Viswanathan may include:

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

    Does Dr. Viswanathan accept my insurance?

    Dr. Viswanathan accepts most major insurance plans. Important: Please call our office at (718) 270-1808 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Viswanathan accept in Brooklyn, NY?

    Dr. Viswanathan in Brooklyn, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Amida Care

    • CDPHP

    • Centene Corporation

    • CMS

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • National Benefit Fund

    • Service Employees International Union (SEIU)

    View All Insurances

    Where is Dr. Viswanathan's office located?

    Dr. Ramaswamy Viswanathan's Primary Practice

    450 Clarkson Ave

    Brooklyn, NY 11203

    (718) 270-1808

    Get Directions

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

    Dr. Viswanathan's National Provider Identifier (NPI) number is 1215986831.

    What common questions do patients ask about Dr. Viswanathan?

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

    What is Dr. Ramaswamy Viswanathan's specialty?

    Dr. Viswanathan is a Addiction Medicine Specialist near Brooklyn, NY.

    What does an Addiction Medicine Specialist do?

    An addiction medicine specialist is a medical doctor who specializes in the diagnosis, treatment, and management of individuals with substance use disorders (SUDs) and other addictive behaviors. They are trained to address the physical, psychological, and social aspects of addiction to provide comprehensive care to patients struggling with various types of addictions.

    Is this Dr. Ramaswamy Viswanathan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Viswanathan is affiliated with Suny Downstate Medical Center (university Hospital Of Brooklyn) 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

    When to see an Addiction Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Addiction Medicine Specialist. 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 Ramaswamy Viswanathan accepting new patients in Brooklyn, NY?

    Yes, Dr. Ramaswamy Viswanathan is accepting new patients at this time.

    Does Dr. Ramaswamy Viswanathan offer online booking?

    Please contact Dr. Viswanathan's office at (718) 270-1808 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ramaswamy Viswanathan?

    Please contact Dr. Viswanathan's office at (718) 270-1808 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Ramaswamy Viswanathan have?

    Dr. Ramaswamy Viswanathan is certified by the American Board of Internal Medicine and American Board of Psychiatry and Neurology.

    <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>