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Dr. Brian O'leary, MD

Naperville, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'leary, Internist in Naperville, IL?

    Dr. Brian O'leary, MD is an Internist, who primarily practices in Naperville, IL with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. O'leary completed his residency at Mc Gaw Mc/Northwestern Univ, Internal Medicine; Northwestern Mem Hosp, Internal Medicine. Dr. O'leary is fluent in English, and is currently seeing new patients. Dr. O'leary’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'leary’s office at (630) 946-2565.

    What are Areas of Expertise for Dr. O'leary?

    Dr. Brian O'leary, 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. O'leary empowers patients to confidently navigate their health journey, specializing in Chronic Illness, or comprehensive wellness support. Serving the Naperville/IL community, Dr. O'leary is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. O'leary go to medical school and complete their residency?

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

    • Medical School: Northwestern Uniiversity

    Is Dr. O'leary board certified in Internist?

    Yes, Dr. Brian O'leary, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. O'leary speak?

    Dr. O'leary and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. O'leary treat?

    As a Internist, Dr. O'leary 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. O'leary. 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 Heart and Kidney Disease with Heart Failure
    • High Blood Pressure Heart Failure and End-Stage Kidney Disease
    • Chronic Kidney Disease
    • Heart Failure
    • High Blood Pressure
    • Kidney Failure
    • Hypertensive Cardiorenal Syndrome
    • Heart and Kidney Failure from High Blood Pressure
    • Hypertensive Cardiorenal Syndrome with Heart Failure

    ICD-10 Codes:

    • I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
    • I132: Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Complicationss
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetic Kidney Problems
    • 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:

    • E118: Type 2 diabetes mellitus with unspecified complications
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease

    Also known as:

    • Alzheimer's Disease
    • Alzheimer's Disease Fact Sheet
    • AD', 'Alzheimer's Dementia
    • Memory Loss Disease

    ICD-10 Codes:

    • G309: Alzheimer's disease, unspecified

    Also known as:

    • One-Sided Weakness or Paralysis After Ischemic Stroke
    • Paralysis
    • Stroke
    • Post-ischemic stroke hemiplegia
    • Partial paralysis from ischemic stroke
    • Ischemic stroke-related body weakness
    • Hemiparesis after brain infarction

    ICD-10 Codes:

    • I69351: Hemiplegia and hemiparesis following cerebral infarction affecting right dominant side

    Also known as:

    • Other Health Condition
    • Unspecified Health Issue
    • General Health Concern
    • Other Medical Condition

    ICD-10 Codes:

    • Z789: Other specified health status

    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:

    • 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:

    • 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:

    • Multiple Sclerosis
    • MS
    • Demyelinating Disease

    ICD-10 Codes:

    • G35: Multiple sclerosis

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Pressure Sores
    • Bedsores
    • Decubitus Ulcers
    • Pressure Ulcers

    ICD-10 Codes:

    • L89152: Pressure ulcer of sacral region, stage 2

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Which procedures does Dr. O'leary perform as a Internist?

    As a Internist, procedures performed by an Dr. Brian O'leary may include:

    For detailed information, please contact Dr. O'leary's office.

    Does Dr. O'leary accept my insurance?

    Dr. O'leary accepts most major insurance plans. Important: Please call our office at (630) 946-2565 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'leary accept in Naperville, IL?

    Dr. O'leary in Naperville, 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

    • Blue Cross Blue Shield of Michigan

    • Boncura Health Solutions

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • Pharmacy Network Services

    • State of Illinois

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'leary's office located?

    Dr. Brian O'leary's Primary Practice

    1964 Springbrook Square Dr Ste 104

    Naperville, IL 60564

    (630) 946-2565

    Get Directions

    Dr. Brian O'leary's Practice 2

    4205 Westbrook Dr

    Aurora, IL 60504

    (630) 946-2565

    Get Directions

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

    Dr. O'leary's National Provider Identifier (NPI) number is 1295702439.

    What common questions do patients ask about Dr. O'leary?

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

    What is Dr. Brian O'leary's specialty?

    Dr. O'leary is a Internist near Naperville, 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. O'leary to book an appointment today.

    Is this Dr. Brian O'leary affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'leary is affiliated with Endeavor Health Edward Hospital, Advocate Good Samaritan Hospital which are a Castle Connolly Top Hospitals. 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 Brian O'leary accepting new patients in Naperville, IL?

    Yes, Dr. Brian O'leary is accepting new patients at this time.

    Does Dr. Brian O'leary offer online booking?

    Please contact Dr. O'leary's office at (630) 946-2565 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Brian O'leary?

    Please contact Dr. O'leary's office at (630) 946-2565 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Brian O'leary have?

    Dr. Brian O'leary is certified by the American Board of Internal Medicine.

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