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Dr. Joanna Denis, MD

Parsippany, NJ

29 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Denis, Internist in Parsippany, NJ?

    Dr. Joanna Denis, MD is an Internist, who primarily practices in Parsippany, NJ. She has been practicing for over 29 years. Dr. Denis graduated from Collegium Medicum im. Ludwika Rydygiera and completed her residency at UMDNJ. Dr. Denis is fluent in English, French, Polish, Russian, and Spanish, and is currently seeing new patients. Dr. Denis’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Denis’s office.

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

    • Residency: UMDNJ

    • Medical School: Academy Of Medicine, Warsaw University | Collegium Medicum im. Ludwika Rydygiera

    What languages does Dr. Denis speak?

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

    • English

    • French

    • Polish

    • Russian

    • Spanish

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

    As an Internist, Dr. Denis 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. Denis. 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:

    • 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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • High Blood Sugar
    • Hyperglycemia
    • Elevated Glucose
    • Unspecified High Blood Sugar

    ICD-10 Codes:

    • R739: Hyperglycemia, unspecified

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Osteoarthritis
    • Degenerative Joint Disease
    • Wear-and-Tear Arthritis
    • Joint Degeneration

    ICD-10 Codes:

    • M1990: Unspecified osteoarthritis, unspecified site

    Also known as:

    • Chronic Sinusitis
    • Sinusitis
    • Chronic sinus infection
    • Long-term sinus problems
    • Persistent sinus inflammation

    ICD-10 Codes:

    • J329: Chronic sinusitis, 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. Denis typically perform?

    As an Internist, procedures performed by Dr. Joanna Denis may include:

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

    Does Dr. Denis accept my insurance?

    Dr. Denis 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. Denis accept in Parsippany, NJ?

    Dr. Denis in Parsippany, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Horizon BlueCross BlueShield

    • Humana

    • Medicare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Denis' office located?

    Dr. Joanna Denis' Primary Practice

    415 Parsippany Rd

    Parsippany, NJ 07054

    Get Directions

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

    Dr. Denis's National Provider Identifier (NPI) number is 1528129475.

    What common questions do patients ask about Dr. Denis?

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

    What is Dr. Joanna Denis's specialty?

    Dr. Denis is a Internist near Parsippany, NJ.

    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. Joanna Denis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Denis is affiliated with St. Joseph's University Medical Center, Atlantic Health Morristown Medical Center, Atlantic Health Overlook Medical Center, Atlantic Health Chilton Medical Center, Hackensack Meridian Bayshore Medical Center, Atlantic Health Centrastate Medical Center 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 Joanna Denis accepting new patients in Parsippany, NJ?

    Yes, Dr. Joanna Denis is accepting new patients at this time.

    Does Dr. Joanna Denis offer online booking?

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

    How can I make an appointment with Joanna Denis?

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

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