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Dr. John Keiser, MD, PHD

Dr. John Keiser, MD, PHD

Medical Microbiologist, Clinical Pathologist, Anatomic Pathologist & Clinical Pathologist

Washington, DC

46 Years of Experience

Accepting patients

    Who is Dr. Keiser, Medical Microbiologist in Washington, DC?

    Dr. John Keiser, MD, PHD is a Medical Microbiologist, who primarily practices in Washington, DC. He has been practicing for over 46 years. Dr. Keiser graduated from Pennsylvania State Univ College of Medicine and completed his residency at Walter Reed Army Med Ctr, Anatomic And Clinical Pathology. Dr. Keiser is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Keiser’s office at (202) 994-3391.

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

    • Residency: Walter Reed Army Med Ctr, Anatomic And Clinical Pathology | Walter Reed Army Med Center | Army Med Coll, Quaid-e-Azam Univ, Rawalpindi, Pakistan | Wilford Hall Medical Center (AETC) Military Only Program

    • Medical School: Pa State Univ Coll Of Med- Hershey Pa | Pennsylvania State Univ College of Medicine

    What languages does Dr. Keiser speak?

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

    • English

    What procedures does a Medical Microbiologist like Dr. Keiser typically perform?

    As a Medical Microbiologist, procedures performed by Dr. John Keiser may include:

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

    Does Dr. Keiser accept my insurance?

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

    Where is Dr. Keiser's office located?

    Dr. John Keiser's Primary Practice

    900 23rd St NW

    Washington, DC 20037

    (202) 994-3391

    Get Directions

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

    Dr. Keiser's National Provider Identifier (NPI) number is 1720194103.

    What common questions do patients ask about Dr. Keiser?

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

    What is Dr. John Keiser's specialty?

    Dr. Keiser is a Medical Microbiologist near Washington, DC.

    What does a Medical Microbiologist do?

    A medical microbiologist specializes in isolating and identifying microbial agents responsible for infectious diseases. This includes viruses, bacteria, fungi, and parasites. The microbiologist also conducts tests to determine the susceptibility of these organisms to appropriate antimicrobial agents, aiding in effective treatment and management of infections.

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

    No, Dr. Keiser 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 a Medical Microbiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Medical Microbiologist. 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 Dr. John Keiser accepting new patients in Washington, DC?

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

    Does Dr. John Keiser offer online booking?

    Please contact Dr. Keiser's office at (202) 994-3391 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. John Keiser?

    Please contact Dr. Keiser's office at (202) 994-3391 to schedule an appointment.

    Where is Dr. Keiser's office located?

    Dr. Keiser's office is located in Washington, DC.