EverydayHealthLogo
TM

Dr. Thomas Marnejon, DO

Youngstown, OH

32 Years of Experience

Accepting patients

    Who is Dr. Marnejon, Internist in Youngstown, OH?

    Dr. Thomas Marnejon, DO is an Internist, who primarily practices in Youngstown, OH with 1 additional practice location. He has been practicing for over 32 years and is board certified. Dr. Marnejon graduated from Pennsylvania State Univ College of Medicine and completed his residency at St Elizabeth Hlth Ctr, Internal Medicine. Dr. Marnejon is fluent in English, and is currently seeing new patients. Dr. Marnejon’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marnejon’s office at (330) 480-3676.

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

    • Residency: St Elizabeth Hlth Ctr, Internal Medicine | St Elizabeth Health Center Program

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

    Is Dr. Marnejon board certified as an Internist?

    Yes, Dr. Thomas Marnejon, DO is board certified by the American Board of Internal Medicine

    What languages does Dr. Marnejon speak?

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

    • English

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

    As an Internist, conditions treated by Dr. Thomas Marnejon may include:

    Please contact Dr. Marnejon'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. Marnejon typically perform?

    As an Internist, procedures performed by Dr. Thomas Marnejon may include:

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

    Does Dr. Marnejon accept my insurance?

    Dr. Marnejon accepts most major insurance plans. Important: Please call our office at (330) 480-3676 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marnejon accept in Youngstown, OH?

    Dr. Marnejon in Youngstown, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Medicare

    • Summa Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Marnejon's office located?

    Dr. Thomas Marnejon's Primary Practice

    1001 Covington St

    Youngstown, OH 44510

    (330) 480-3676

    Get Directions

    Dr. Thomas Marnejon's Practice 2

    1044 Belmont Ave

    Youngstown, OH 44504

    Get Directions

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

    Dr. Marnejon's National Provider Identifier (NPI) number is 1891898607.

    What common questions do patients ask about Dr. Marnejon?

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

    What is Dr. Thomas Marnejon's specialty?

    Dr. Marnejon is a Internist near Youngstown, OH.

    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. Thomas Marnejon affiliated with a ranked Castle Connolly Top Hospital?

    No, Marnejon is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Mercy Health - St. Elizabeth Youngstown 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 Thomas Marnejon accepting new patients in Youngstown, OH?

    Yes, Dr. Thomas Marnejon is accepting new patients at this time.

    Does Dr. Thomas Marnejon offer online booking?

    Please contact Dr. Marnejon's office at (330) 480-3676 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Marnejon?

    Please contact Dr. Marnejon's office at (330) 480-3676 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Thomas Marnejon have?

    Dr. Thomas Marnejon 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>