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Dr. Mark Tieman, MD

Commack, NY

Accepting patients

    Who is Dr. Tieman, Internist in Commack, NY?

    Dr. Mark Tieman, MD is an Internist, who primarily practices in Commack, NY with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. Tieman graduated from Albert Einstein College of Medicine of Yeshiva University and completed his residency at Morristown Mem Hosp, Internal Medicine. Dr. Tieman is fluent in English, and is currently seeing new patients. Dr. Tieman’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tieman’s office at (631) 858-0400.

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

    • Residency: Morristown Mem Hosp, Internal Medicine | RowanSOM/OPTI/AHS Morristown Medical Center Program

    • Medical School: Albert Einstein College of Medicine of Yeshiva University

    Is Dr. Tieman board certified in Internist?

    Yes, Dr. Mark Tieman, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Tieman speak?

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

    • English

    What conditions does Dr. Tieman treat?

    As a Internist, Dr. Tieman diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Tieman. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • ADHD, Predominantly Inattentive Type
    • Attention Deficit Hyperactivity Disorder
    • Attention-deficit/hyperactivity disorder
    • ADD
    • Inattentive ADHD

    ICD-10 Codes:

    • F900: Attention-deficit hyperactivity disorder, predominantly inattentive type

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Obesity
    • Take Charge of Your Health: A Guide for Teenagers
    • Excess Weight
    • Being Overweight
    • High BMI

    ICD-10 Codes:

    • E669: Obesity, unspecified

    Also known as:

    • Erectile Dysfunction
    • Erectile Dysfunction (ED)
    • Impotence
    • ED
    • Erection problems

    ICD-10 Codes:

    • N529: Male erectile dysfunction, unspecified

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Which procedures does Dr. Tieman perform as a Internist?

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

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

    Does Dr. Tieman accept my insurance?

    Dr. Tieman accepts most major insurance plans. Important: Please call our office at (631) 858-0400 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Tieman accept in Commack, NY?

    Dr. Tieman in Commack, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • CVS Health (formerly Aetna)

    • Medicare

    • Service Employees International Union (SEIU)

    View All Insurances

    Where is Dr. Tieman's office located?

    Dr. Mark Tieman's Primary Practice

    356 Veterans Memorial Hwy

    Commack, NY 11725

    (631) 858-0400

    Get Directions

    Dr. Mark Tieman's Practice 2

    3 E Evergreen Rd Ste 1017

    New City, NY 10956

    Get Directions

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

    Dr. Tieman's National Provider Identifier (NPI) number is 1154494003.

    What common questions do patients ask about Dr. Tieman?

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

    What is Dr. Mark Tieman's specialty?

    Dr. Tieman is a Internist near Commack, NY.

    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. Tieman to book an appointment today.

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

    No, Tieman 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 Tieman accepting new patients in Commack, NY?

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

    Does Dr. Mark Tieman offer online booking?

    Please contact Dr. Tieman's office at (631) 858-0400 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Tieman?

    Please contact Dr. Tieman's office at (631) 858-0400 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Tieman have?

    Dr. Mark Tieman is certified by the American Board of Internal Medicine.

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