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Dr. Regan Christopoulos, MD

Dr. Regan Christopoulos, MD

Lake Forest, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Christopoulos, Internist in Lake Forest, IL?

    Dr. Regan Christopoulos, MD is an Internist, who primarily practices in Lake Forest, IL with 2 additional practice locations. She is board certified by the American Board of Internal Medicine. Dr. Christopoulos is fluent in English and Arabic, and is currently seeing new patients. Dr. Christopoulos’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Christopoulos’s office.

    Is Dr. Christopoulos board certified in Internist?

    Yes, Dr. Regan Christopoulos, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Christopoulos speak?

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

    • Arabic

    • English

    What conditions does Dr. Christopoulos treat?

    As a Internist, Dr. Christopoulos 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. Christopoulos. 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:

    • 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:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Depression Screening
    • Depression
    • Health Screening
    • Depression Test
    • Mental Health Check for Depression
    • Mood Disorder Screening

    ICD-10 Codes:

    • Z1331: Encounter for screening for depression

    Also known as:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Anxiety Disorder
    • Anxiety
    • General Anxiety
    • Anxiety Problems
    • Nervous Disorder

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    Also known as:

    • Generalized Anxiety Disorder
    • Anxiety
    • GAD
    • Chronic Worry
    • Excessive Worry Disorder

    ICD-10 Codes:

    • F411: Generalized anxiety disorder

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

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

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified

    Also known as:

    • Elevated Blood Pressure
    • High Blood Pressure
    • High Blood Pressure Reading
    • Prehypertension
    • Borderline High Blood Pressure

    ICD-10 Codes:

    • R030: Elevated blood-pressure reading, without diagnosis of hypertension

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Bronchitis
    • Bronchial Disorder
    • Chest cold
    • Inflammation of bronchial tubes
    • Acute bronchitis

    ICD-10 Codes:

    • J40: Bronchitis, not specified as acute or chronic

    Also known as:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories

    Which procedures does Dr. Christopoulos perform as a Internist?

    As a Internist, procedures performed by an Dr. Regan Christopoulos may include:

    For detailed information, please contact Dr. Christopoulos' office.

    Does Dr. Christopoulos accept my insurance?

    Dr. Christopoulos 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. Christopoulos accept in Lake Forest, IL?

    Dr. Christopoulos in Lake Forest, 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

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • Northshore University Healthsystem

    • State of Illinois

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Christopoulos' office located?

    Dr. Regan Christopoulos' Primary Practice

    915 S Waukegan Rd

    Lake Forest, IL 60045

    Get Directions

    Dr. Regan Christopoulos' Practice 2

    731 S Il Route 21

    Gurnee, IL 60031

    (847) 566-3337

    Get Directions

    Dr. Regan Christopoulos' Practice 3

    2650 Ridge Ave

    Evanston, IL 60201

    Get Directions

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

    Dr. Christopoulos's National Provider Identifier (NPI) number is 1740231596.

    What common questions do patients ask about Dr. Christopoulos?

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

    What is Dr. Regan Christopoulos's specialty?

    Dr. Christopoulos is a Internist near Lake Forest, 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. Christopoulos to book an appointment today.

    Is this Dr. Regan Christopoulos affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Christopoulos 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 Regan Christopoulos accepting new patients in Lake Forest, IL?

    Yes, Dr. Regan Christopoulos is accepting new patients at this time.

    Does Dr. Regan Christopoulos offer online booking?

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

    How can I make an appointment with Regan Christopoulos?

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

    Which board certifications does Dr. Regan Christopoulos have?

    Dr. Regan Christopoulos is certified by the American Board of Internal Medicine.

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