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Dr. Thomas O'neill, MD

Cleveland, OH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'neill, Internist in Cleveland, OH?

    Dr. Thomas O'neill, MD is an Internist, who primarily practices in Cleveland, OH with 2 additional practice locations. Dr. O'neill is fluent in English, and is currently seeing new patients. Dr. O'neill’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'neill’s office.

    What languages does Dr. O'neill speak?

    Dr. O'neill and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does an Internist like Dr. O'neill typically treat?

    As an Internist, Dr. O'neill 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. O'neill. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Chronic Systolic Heart Failure
    • Chronic Diastolic Heart Failure
    • Heart Failure
    • Systolic Heart Failure
    • Long-term Systolic Heart Failure
    • Chronic HFrEF
    • Ongoing Pumping Heart Failure
    • Long-term Diastolic Heart Failure
    • Chronic HFpEF
    • Ongoing Filling Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency
    • Heart Failure with Reduced Ejection Fraction
    • HFrEF
    • Pumping Heart Failure

    ICD-10 Codes:

    • I5022: Chronic systolic (congestive) heart failure
    • I5032: Chronic diastolic (congestive) heart failure
    • I509: Heart failure, unspecified
    • I5020: Unspecified systolic (congestive) heart failure

    Also known as:

    • Therapeutic Drug Monitoring
    • Drug level testing
    • Medication monitoring
    • Therapeutic drug management

    ICD-10 Codes:

    • Z5181: Encounter for therapeutic drug level monitoring

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    What procedures does an Internist like Dr. O'neill typically perform?

    As an Internist, procedures performed by Dr. Thomas O'neill may include:

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

    Does Dr. O'neill accept my insurance?

    Dr. O'neill accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'neill accept in Cleveland, OH?

    Dr. O'neill in Cleveland, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • CareSource

    • Cigna Group

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicare

    • MHH Healthcare

    • Molina Healthcare

    • Summa Health

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. O'neill's office located?

    Dr. Thomas O'neill's Primary Practice

    11100 Euclid Ave

    Cleveland, OH 44106

    Get Directions

    Dr. Thomas O'neill's Practice 2

    6707 Powers Blvd Ste 205

    Parma, OH 44129

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    Dr. Thomas O'neill's Practice 3

    125 E Broad St Ste 218

    Elyria, OH 44035

    Get Directions

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

    Dr. O'neill's National Provider Identifier (NPI) number is 1639373327.

    What common questions do patients ask about Dr. O'neill?

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

    What is Dr. Thomas O'neill's specialty?

    Dr. O'neill is a Internist near Cleveland, 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 O'neill affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'neill is affiliated with Uh Parma Medical Center, Uh Cleveland Medical Center, Aultman Hospital, Southwest General Health Center, Uh Ahuja Medical Center, Wvu Medicine J.w. Ruby Memorial Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 O'neill accepting new patients in Cleveland, OH?

    Yes, Dr. Thomas O'neill is accepting new patients at this time.

    Does Dr. Thomas O'neill offer online booking?

    Please contact Dr. O'neill's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas O'neill?

    Please contact Dr. O'neill's office for information regarding telehealth appointment availability or for scheduling assistance.

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