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Dr. John Wisniewski, MD

Wethersfield, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Wisniewski, Internist in Wethersfield, CT?

    Dr. John Wisniewski, MD is an Internist, who primarily practices in Wethersfield, CT with 2 additional practice locations. He is board certified. Dr. Wisniewski graduated from State University of New York Upstate Medical University and completed his residency at North Shore Univ Hosp, Internal Medicine. Dr. Wisniewski is fluent in English, and is currently seeing new patients. Dr. Wisniewski’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wisniewski’s office at (860) 241-0700.

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

    • Residency: North Shore Univ Hosp, Internal Medicine | NSLIJHS/Hofstra North Shore-LIJ School of Medicine at North Shore University Hospital Program

    • Medical School: Suny-Hlth Sci Ctr At Syracuse, Coll of Med, Syracuse Ny | Upstate Medical University/ College of Health Professions | State University of New York Upstate Medical University

    Is Dr. Wisniewski board certified as an Internist?

    Yes, Dr. John Wisniewski, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Wisniewski speak?

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

    • English

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

    As an Internist, Dr. Wisniewski 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. Wisniewski. 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 here.

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Type 2 Diabetes
    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetic Kidney Problems
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Chronic Kidney Disease
    • Long-term Kidney Failure from Type 2 Diabetes
    • Type 2 Diabetes End-Stage Renal Disease

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease

    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

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified

    What procedures does an Internist like Dr. Wisniewski typically perform?

    As an Internist, procedures performed by Dr. John Wisniewski may include:

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

    Does Dr. Wisniewski accept my insurance?

    Dr. Wisniewski accepts most major insurance plans. Important: Please call our office at (860) 241-0700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Wisniewski accept in Wethersfield, CT?

    Dr. Wisniewski in Wethersfield, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Medicare

    • Point32Health

    • State of Connecticut

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Wisniewski's office located?

    Dr. John Wisniewski's Primary Practice

    1260 Silas Deane Hwy

    Wethersfield, CT 06109

    (860) 241-0700

    Get Directions

    Dr. John Wisniewski's Practice 2

    85 Seymour St Ste 900

    Hartford, CT 06106

    Get Directions

    Dr. John Wisniewski's Practice 3

    11 South Rd Ste 240

    Farmington, CT 06032

    Get Directions

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

    Dr. Wisniewski's National Provider Identifier (NPI) number is 1689786568.

    What common questions do patients ask about Dr. Wisniewski?

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

    What is Dr. John Wisniewski's specialty?

    Dr. Wisniewski is a Internist near Wethersfield, CT.

    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. John Wisniewski affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Wisniewski is affiliated with The Hospital Of Central Connecticut - New Britain General Campus, Charlotte Hungerford Hospital, Saint Francis Hospital - Hartford, Ct, Uconn John Dempsey Hospital, Midstate Medical Center, Hartford Healthcare Manchester 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 John Wisniewski accepting new patients in Wethersfield, CT?

    Yes, Dr. John Wisniewski is accepting new patients at this time.

    Does Dr. John Wisniewski offer online booking?

    Please contact Dr. Wisniewski's office at (860) 241-0700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Wisniewski?

    Please contact Dr. Wisniewski's office at (860) 241-0700 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Wisniewski have?

    Dr. John Wisniewski 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>