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Dr. Thomas Klarquist, MD

Chicago, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Klarquist, Internist in Chicago, IL?

    Dr. Thomas Klarquist, MD is an Internist, who primarily practices in Chicago, IL with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Klarquist completed his residency at Bronson Methodist Hosp, Internal Medicine; Univ Louisville Sch Of Med, Internal Medicine. Dr. Klarquist is fluent in English and Spanish, and is currently seeing new patients. Dr. Klarquist’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Klarquist’s office at (773) 296-5090.

    What are Areas of Expertise for Dr. Klarquist?

    Dr. Thomas Klarquist, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Klarquist empowers patients to confidently navigate their health journey, specializing in Primary Care, or comprehensive wellness support. Serving the Chicago/IL community, Dr. Klarquist is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Bronson Methodist Hosp, Internal Medicine; Univ Louisville Sch Of Med, Internal Medicine

    Is Dr. Klarquist board certified in Internist?

    Yes, Dr. Thomas Klarquist, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Klarquist speak?

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

    • English

    • Spanish

    What conditions does Dr. Klarquist treat?

    As a Internist, Dr. Klarquist 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. Klarquist. 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:

    • 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
    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Complicationss
    • Diabetic Kidney Problems
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes
    • Diabetic Chronic Kidney Disease
    • Long-term Kidney Failure from Type 2 Diabetes
    • Type 2 Diabetes End-Stage Renal Disease

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E1169: Type 2 diabetes mellitus with other specified complication
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • HIV
    • Human Immunodeficiency Virus
    • AIDS virus

    ICD-10 Codes:

    • B20: Human immunodeficiency virus [HIV] disease

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Circulatory System Surgery Aftercare
    • After Surgery
    • Post-cardiac surgery care
    • Vascular surgery aftercare
    • Heart surgery recovery

    ICD-10 Codes:

    • Z48812: Encounter for surgical aftercare following surgery on the circulatory system

    Also known as:

    • Other Long-Term Drug Therapy
    • Chronic medication use
    • Ongoing drug treatment
    • Extended drug therapy

    ICD-10 Codes:

    • Z79899: Other long term (current) drug therapy

    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:

    • Chronic Kidney Disease from High Blood Pressure
    • Chronic Kidney Disease
    • High Blood Pressure
    • Hypertensive Chronic Kidney Disease
    • High Blood Pressure Kidney Disease
    • Hypertension-Related Kidney Disease

    ICD-10 Codes:

    • I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    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:

    • Asymptomatic HIV Infection
    • HIV
    • HIV positive without symptoms
    • Latent HIV infection
    • HIV carrier

    ICD-10 Codes:

    • Z21: Asymptomatic human immunodeficiency virus [HIV] infection status

    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

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Sexually Transmitted Infection (STI) Screening
    • Health Screening
    • STD screening
    • Sexual health check
    • Venereal disease test

    ICD-10 Codes:

    • Z113: Encounter for screening for infections with a predominantly sexual mode of transmission

    Also known as:

    • HIV Screening Test
    • HIV Test
    • AIDS Test
    • Human Immunodeficiency Virus Screening

    ICD-10 Codes:

    • Z114: Encounter for screening for human immunodeficiency virus [HIV]

    Also known as:

    • Exposure to HIV
    • HIV
    • HIV contact
    • Suspected HIV exposure
    • Human immunodeficiency virus exposure

    ICD-10 Codes:

    • Z206: Contact with and (suspected) exposure to human immunodeficiency virus [HIV]

    Which procedures does Dr. Klarquist perform as a Internist?

    As a Internist, procedures performed by an Dr. Thomas Klarquist may include:

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

    Does Dr. Klarquist accept my insurance?

    Dr. Klarquist accepts most major insurance plans. Important: Please call our office at (773) 296-5090 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Klarquist accept in Chicago, IL?

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

    Top Insurances

    • Aetna

    • All Other Third Party

    • Blue Cross Blue Shield

    • Centene

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Humana

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Klarquist's office located?

    Dr. Thomas Klarquist's Primary Practice

    3134 N Clark St

    Chicago, IL 60657

    (773) 296-5090

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    Dr. Thomas Klarquist's Practice 2

    77 Rand Rd

    Des Plaines, IL 60016

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    Dr. Thomas Klarquist's Practice 3

    4025 N Western Ave Bldg E

    Chicago, IL 60618

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

    Dr. Klarquist's National Provider Identifier (NPI) number is 1477517373.

    What common questions do patients ask about Dr. Klarquist?

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

    What is Dr. Thomas Klarquist's specialty?

    Dr. Klarquist is a Internist near Chicago, 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. Klarquist to book an appointment today.

    Is this Dr. Thomas Klarquist affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Klarquist is affiliated with Advocate Illinois Masonic Medical Center 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 Thomas Klarquist accepting new patients in Chicago, IL?

    Yes, Dr. Thomas Klarquist is accepting new patients at this time.

    Does Dr. Thomas Klarquist offer online booking?

    Please contact Dr. Klarquist's office at (773) 296-5090 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Klarquist?

    Please contact Dr. Klarquist's office at (773) 296-5090 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Thomas Klarquist have?

    Dr. Thomas Klarquist is certified by the American Board of Internal Medicine.

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