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Dr. Andrew Johnston, MD, PHD

Middlebury, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Johnston, Dermatologist in Middlebury, CT?

    Dr. Andrew Johnston, MD, PHD is a Dermatologist, who primarily practices in Middlebury, CT with 1 additional practice location. He is board certified. Dr. Johnston is fluent in English, and is currently seeing new patients. Dr. Johnston’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston’s office at (203) 688-4242.

    What languages does Dr. Johnston speak?

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

    • English

    What conditions does Dr. Johnston treat?

    As a Dermatologist, Dr. Johnston 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. Johnston. 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:

    • Actinic Keratosis
    • Skin Condition
    • Sun Exposure
    • Skin Cancer Treatment (PDQ®)
    • Solar keratosis
    • Precancerous skin lesion
    • Rough sun spots

    ICD-10 Codes:

    • L570: Actinic keratosis

    Does Dr. Johnston accept my insurance?

    Dr. Johnston accepts most major insurance plans. Important: Please call our office at (203) 688-4242 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Johnston accept in Middlebury, CT?

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

    Top Insurances

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Federal Employee Program

    • Humana

    • Medicare

    • Service Employees International Union (SEIU)

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Johnston's office located?

    Dr. Andrew Johnston's Primary Practice

    1625 Straits Tpke Ste 306

    Middlebury, CT 06762

    (203) 688-4242

    Get Directions

    Dr. Andrew Johnston's Practice 2

    20 York St

    New Haven, CT 06510

    Get Directions

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

    Dr. Johnston's National Provider Identifier (NPI) number is 1497384796.

    What common questions do patients ask about Dr. Johnston?

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

    What is Dr. Andrew Johnston's specialty?

    Dr. Johnston is a Dermatologist near Middlebury, CT. Dermatologists are medical professionals trained to diagnose and treat a wide range of skin conditions in both children and adults, including skin cancers, melanomas, and other tumors. They also manage disorders of the mouth, external genitalia, hair, and nails, and are skilled in treating conditions like dermatitis, allergic reactions, and skin manifestations of systemic diseases. Dermatologists receive specialized training in dermatopathology and dermatologic surgical techniques, and address cosmetic issues such as hair loss and scarring. Additionally, they use laboratory methods to diagnose immune-related skin disorders, often collaborating with immunohematologists for expert consultation and targeted therapies. Contact Dr. Johnston to book an appointment today.

    Is this Dr. Andrew Johnston affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Johnston is affiliated with Smilow Cancer Hospital At Yale New Haven 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 Dermatologist?

    Explore Dermatologist 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 Andrew Johnston accepting new patients in Middlebury, CT?

    Yes, Dr. Andrew Johnston is accepting new patients at this time.

    Does Dr. Andrew Johnston offer online booking?

    Please contact Dr. Johnston's office at (203) 688-4242 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Andrew Johnston?

    Please contact Dr. Johnston's office at (203) 688-4242 for information regarding telehealth appointment availability or for scheduling assistance.

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