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Dr. Mark Illfelder, DO

York, PA

46 Years of Experience

Accepting patients

    Who is Dr. Illfelder, Internist in York, PA?

    Dr. Mark Illfelder, DO is an Internist, who primarily practices in York, PA. He has been practicing for over 46 years and is board certified. Dr. Illfelder graduated from Pennsylvania State Univ College of Medicine. Dr. Illfelder is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Illfelder’s office at (717) 843-8051.

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

    • Medical School: Philadelphia Coll of Osteo Med, Philadelphia Pa | Pennsylvania State Univ College of Medicine

    What languages does Dr. Illfelder speak?

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

    • English

    Which conditions does Dr. Illfelder treat as a Internist?

    As a Internist, conditions treated by an Dr. Mark Illfelder may include:

    Please contact Dr. Illfelder's office for more information or to schedule a consultation.

    Which procedures does Dr. Illfelder perform as a Internist?

    As a Internist, procedures performed by an Dr. Mark Illfelder may include:

    For detailed information, please contact Dr. Illfelder's office.

    Does Dr. Illfelder accept my insurance?

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

    Where is Dr. Illfelder's office located?

    Dr. Mark Illfelder's Primary Practice

    1777 5th Ave

    York, PA 17403

    (717) 843-8051

    Get Directions

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

    Dr. Illfelder's National Provider Identifier (NPI) number is 1568438869.

    What common questions do patients ask about Dr. Illfelder?

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

    What is Dr. Mark Illfelder's specialty?

    Dr. Illfelder is a Internist near York, PA.

    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.

    Contact Dr. Illfelder to book an appointment today.

    Is this Dr. Mark Illfelder affiliated with a ranked Castle Connolly Top Hospital?

    No, Illfelder 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

    Where can I learn more about Internist?

    Explore Internist with 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 Mark Illfelder accepting new patients in York, PA?

    Yes, Dr. Mark Illfelder is accepting new patients at this time.

    Does Dr. Mark Illfelder offer online booking?

    Please contact Dr. Illfelder's office at (717) 843-8051 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Illfelder?

    Please contact Dr. Illfelder's office at (717) 843-8051 for information regarding telehealth appointment availability or for scheduling assistance.

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