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JW

Dr. John Warren, MD

Baltimore, MD

Accepting patients

    Who is Dr. Warren, Infectious Disease Specialist in Baltimore, MD?

    Dr. John Warren, MD is an Infectious Disease Specialist, who primarily practices in Baltimore, MD. He is board certified. Dr. Warren graduated from Harvard Medical School, Boston, Massachusetts and completed his residency at Boston City Hosp, Internal Medicine; Univ Hosp Of Cleveland, Internal Medicine. Dr. Warren is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Warren’s office at (410) 328-9102.

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

    • Residency: Boston City Hosp, Internal Medicine; Univ Hosp Of Cleveland, Internal Medicine | Boston City Hospital | Children's Hospital Boston Program

    • Medical School: Harvard Medical School, Boston, Massachusetts | Harvard Medical School, Boston, Massachusetts

    Is Dr. Warren board certified as an Infectious Disease Specialist?

    Yes, Dr. John Warren, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Warren speak?

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

    • English

    What conditions does an Infectious Disease Specialist like Dr. Warren typically treat?

    What procedures does an Infectious Disease Specialist like Dr. Warren typically perform?

    As an Infectious Disease Specialist, procedures performed by Dr. John Warren may include:

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

    Does Dr. Warren accept my insurance?

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

    Where is Dr. Warren's office located?

    Dr. John Warren's Primary Practice

    22 S Greene St

    Baltimore, MD 21201

    (410) 328-9102

    Get Directions

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

    Dr. Warren's National Provider Identifier (NPI) number is 1548202625.

    What common questions do patients ask about Dr. Warren?

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

    What is Dr. John Warren's specialty?

    Dr. Warren is a Infectious Disease Specialist near Baltimore, MD.

    What does an Infectious Disease Specialist do?

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

    Is this Dr. John Warren affiliated with a ranked Castle Connolly Top Hospital?

    No, Warren 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 Infectious Disease Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Infectious Disease 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 John Warren accepting new patients in Baltimore, MD?

    Yes, Dr. John Warren is accepting new patients at this time.

    Does Dr. John Warren offer online booking?

    Please contact Dr. Warren's office at (410) 328-9102 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Warren?

    Please contact Dr. Warren's office at (410) 328-9102 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Warren have?

    Dr. John Warren 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>