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Dr. Sean Leoni, MD

Downey, CA

26 Years of Experience

Accepting patients

    Who is Dr. Leoni, Internist in Downey, CA?

    Dr. Sean Leoni, MD is an Internist, who primarily practices in Downey, CA with 2 additional practice locations. He has been practicing for over 26 years and is board certified. Dr. Leoni graduated from Northwestern University The Feinberg School of Medicine and completed his residency at Kern Med Ctr, Internal Medicine. Dr. Leoni is fluent in English, Persian, and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Leoni’s office at (818) 225-7918.

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

    • Residency: Kern Med Ctr, Internal Medicine | Kern Medical Center Program

    • Medical School: American Univ Of The Caribbean- Sch Of Med- Plymouth- Montserrat | Northwestern University The Feinberg School of Medicine

    Is Dr. Leoni board certified as an Internist?

    Yes, Dr. Sean Leoni, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Leoni speak?

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

    • English

    • Persian

    • Spanish

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

    As an Internist, conditions treated by Dr. Sean Leoni may include:

    Please contact Dr. Leoni'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. Leoni typically perform?

    As an Internist, procedures performed by Dr. Sean Leoni may include:

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

    Does Dr. Leoni accept my insurance?

    Dr. Leoni accepts most major insurance plans. Important: Please call our office at (818) 225-7918 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Leoni accept in Downey, CA?

    Dr. Leoni in Downey, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Unknown

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    Where is Dr. Leoni's office located?

    Dr. Sean Leoni's Primary Practice

    11525 Brookshire Ave Ste 205

    Downey, CA 90241

    (818) 225-7918

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    Dr. Sean Leoni's Practice 2

    26500 Agoura Rd Ste 102-581

    Calabasas, CA 91302

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    Dr. Sean Leoni's Practice 3

    16661 Ventura Blvd Ste 604

    Encino, CA 91436

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

    Dr. Leoni's National Provider Identifier (NPI) number is 1669544052.

    What common questions do patients ask about Dr. Leoni?

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

    What is Dr. Sean Leoni's specialty?

    Dr. Leoni is a Internist near Downey, 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. Sean Leoni affiliated with a ranked Castle Connolly Top Hospital?

    No, Leoni 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 Sean Leoni accepting new patients in Downey, CA?

    Yes, Dr. Sean Leoni is accepting new patients at this time.

    Does Dr. Sean Leoni offer online booking?

    Please contact Dr. Leoni's office at (818) 225-7918 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Sean Leoni?

    Please contact Dr. Leoni's office at (818) 225-7918 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Sean Leoni have?

    Dr. Sean Leoni 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>