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Dr. John Croghan, MD

Dr. John Croghan, MD

Winnetka, IL

33 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Croghan, Internist in Winnetka, IL?

    Dr. John Croghan, MD is an Internist, who primarily practices in Winnetka, IL. He has been practicing for over 33 years and is board certified by the American Board of Internal Medicine. Dr. Croghan completed his residency at Geo Washington Univ Hosp, Rheumatology; Johns Hopkins Hosp, Geriatric Medicine-Internal Medicine; Loyola Univ Med Ctr, Internal Medicine. Dr. Croghan is fluent in English, and is currently seeing new patients. Dr. Croghan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Croghan’s office at (847) 840-1470.

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

    • Residency: Geo Washington Univ Hosp, Rheumatology; Johns Hopkins Hosp, Geriatric Medicine-Internal Medicine; Loyola Univ Med Ctr, Internal Medicine | Loyola University Med Center Loyola University Health System Maywood

    • Medical School: Rush Med Coll of Rush University, Chicago Il

    Is Dr. Croghan board certified in Internist?

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

    What languages does Dr. Croghan speak?

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

    • English

    What conditions does Dr. Croghan treat?

    As a Internist, Dr. Croghan 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. Croghan. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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

    Which procedures does Dr. Croghan perform as a Internist?

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

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

    Does Dr. Croghan accept my insurance?

    Dr. Croghan accepts most major insurance plans. Important: Please call our office at (847) 840-1470 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Croghan accept in Winnetka, IL?

    Dr. Croghan in Winnetka, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Cross Blue Shield of Michigan

    • CVS Health (formerly Aetna)

    • Florida Blue / Guidewell

    • Health Care Service Corporation (HCSC)

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Croghan's office located?

    Dr. John Croghan's Primary Practice

    710 Oak St

    Winnetka, IL 60093

    (847) 840-1470

    Get Directions

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

    Dr. Croghan's National Provider Identifier (NPI) number is 1790724060.

    What common questions do patients ask about Dr. Croghan?

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

    What is Dr. John Croghan's specialty?

    Dr. Croghan is a Internist near Winnetka, IL.

    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. Croghan to book an appointment today.

    Is this Dr. John Croghan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Croghan is affiliated with Endeavor Health Evanston Hospital which is a Castle Connolly Top Hospital. 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

    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 John Croghan accepting new patients in Winnetka, IL?

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

    Does Dr. John Croghan offer online booking?

    Please contact Dr. Croghan's office at (847) 840-1470 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Croghan?

    Please contact Dr. Croghan's office at (847) 840-1470 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Croghan have?

    Dr. John Croghan is certified by the American Board of Internal Medicine.

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