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Dr. Mark Stolar, MD

Woodstock, IL

40 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Stolar, Internist in Woodstock, IL?

    Dr. Mark Stolar, MD is an Internist, who primarily practices in Woodstock, IL with 2 additional practice locations. He has been practicing for over 40 years and is board certified. Dr. Stolar graduated from University of Illinois College of Medicine and completed his residency at Advocate Lutheran General Hospital. Dr. Stolar is fluent in English, and is currently seeing new patients. Dr. Stolar’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Stolar’s office at (312) 335-1133.

    What are Areas of Expertise for Dr. Stolar?

    Dr. Mark Stolar, 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. Stolar empowers patients to confidently navigate their health journey, specializing in Cholesterol/Lipid Disorders, Diabetes, Thyroid Disorders, and comprehensive wellness support. Serving the Woodstock, IL community, Dr. Stolar is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: McGaw Medical Center of Northwestern University

    • Residency: Advocate Lutheran General Hospital

    • Medical School: University of Illinois College of Medicine

    Is Dr. Stolar board certified as an Internist?

    Yes, Dr. Mark Stolar, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Stolar speak?

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

    • English

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

    As an Internist, Dr. Stolar 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. Stolar. 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:

    • 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:

    • 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:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, 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

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

    As an Internist, Dr. Stolar performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Stolar. 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:

    • Individual Speech and Language Therapy
    • Speech-Language Pathology
    • Voice Therapy
    • Communication Disorder Treatment
    • Auditory Processing Therapy

    CPT Codes:

    • 92507: Treatment Of Speech, Language, Voice, Communication, And/Or Auditory Processing Disorder; Individual

    Does Dr. Stolar accept my insurance?

    Dr. Stolar accepts most major insurance plans. Important: Please call our office at (312) 335-1133 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Stolar accept in Woodstock, IL?

    Dr. Stolar in Woodstock, IL 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)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • State of Illinois

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

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    Where is Dr. Stolar's office located?

    Dr. Mark Stolar's Primary Practice

    3707 Doty Rd

    Woodstock, IL 60098

    (312) 335-1133

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    Dr. Mark Stolar's Practice 2

    2507 N Richmond Rd

    McHenry, IL 60051

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    Dr. Mark Stolar's Practice 3

    676 N Saint Clair St Ste 415

    Chicago, IL 60611

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

    Dr. Stolar's National Provider Identifier (NPI) number is 1396784591.

    What common questions do patients ask about Dr. Stolar?

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

    What is Dr. Mark Stolar's specialty?

    Dr. Stolar is a Internist near Woodstock, IL.

    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. Mark Stolar affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Stolar is affiliated with Northwestern Memorial 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

    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 Mark Stolar accepting new patients in Woodstock, IL?

    Yes, Dr. Mark Stolar is accepting new patients at this time.

    Does Dr. Mark Stolar offer online booking?

    Please contact Dr. Stolar's office at (312) 335-1133 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Stolar?

    Please contact Dr. Stolar's office at (312) 335-1133 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Stolar have?

    Dr. Mark Stolar is certified by the American Board of Internal Medicine.

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