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Dr. Andrew Johnston, MD

Crescent City, CA

33 Years of Experience

Accepting patients

    Who is Dr. Johnston, Internist in Crescent City, CA?

    Dr. Andrew Johnston, MD is an Internist, who primarily practices in Crescent City, CA with 2 additional practice locations. He has been practicing for over 33 years and is board certified. Dr. Johnston completed his residency at Northwestern Mem Hosp, Internal Medicine; Mc Gaw Mc/Northwestern Univ, Internal Medicine. Dr. Johnston is fluent in English and Spanish, and is currently seeing new patients. Dr. Johnston’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston’s office at (831) 718-9701.

    What are Areas of Expertise for Dr. Johnston?

    Dr. Andrew Johnston, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Johnston empowers patients to confidently navigate their health journey, specializing in Diabetes, Geriatric Medicine, and comprehensive wellness support. Serving the Crescent City, CA community, Dr. Johnston is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Northwestern Mem Hosp, Internal Medicine; Mc Gaw Mc/Northwestern Univ, Internal Medicine

    • Medical School: Northwestern Uniiversity

    Is Dr. Johnston board certified as an Internist?

    Yes, Dr. Andrew Johnston, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Johnston speak?

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

    • English

    • Spanish

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

    As an Internist, 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. 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:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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 Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified
    • E7800: Pure hypercholesterolemia, unspecified

    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:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

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

    As an Internist, procedures performed by Dr. Andrew Johnston may include:

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

    Does Dr. Johnston accept my insurance?

    Dr. Johnston accepts most major insurance plans. Important: Please call our office at (831) 718-9701 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Johnston accept in Crescent City, CA?

    Dr. Johnston in Crescent City, CA 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 Shield of California

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Molina Healthcare

    • UnitedHealth Group

    • Unknown

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    Where is Dr. Johnston's office located?

    Dr. Andrew Johnston's Primary Practice

    550 E Washington Blvd

    Crescent City, CA 95531

    (831) 718-9701

    Get Directions

    Dr. Andrew Johnston's Practice 2

    2200 Tydd St

    Eureka, CA 95501

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    Dr. Andrew Johnston's Practice 3

    3750 Rohnerville Rd

    Fortuna, CA 95540

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    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 1710931019.

    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 Internist near Crescent City, CA.

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

    No, Johnston is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Providence Redwood Memorial Hospital, Providence Saint Joseph Hospital Eureka. Castle Connolly Top Hospitals 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 Andrew Johnston accepting new patients in Crescent City, CA?

    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 (831) 718-9701 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 (831) 718-9701 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Andrew Johnston have?

    Dr. Andrew Johnston is certified by the American Board of Internal Medicine.

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