EverydayHealthLogo
KO

Dr. Katie O'sullivan, MD

Crown Point, IN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'sullivan, Endocrinologist in Crown Point, IN?

    Dr. Katie O'sullivan, MD is an Endocrinologist, who primarily practices in Crown Point, IN with 1 additional practice location. She is board certified. Dr. O'sullivan is fluent in English, and is currently seeing new patients. Dr. O'sullivan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'sullivan’s office at (888) 824-0200.

    What languages does Dr. O'sullivan speak?

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

    • English

    What conditions does Dr. O'sullivan treat?

    As a Endocrinologist, Dr. O'sullivan 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'sullivan. 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:

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

    ICD-10 Codes:

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

    Also known as:

    • Type 1 Diabetes with High Blood Sugar
    • Type 1 Diabetes
    • Diabetes Type 1
    • Hyperglycemia
    • Type 1 diabetes
    • Diabetes Tests & Diagnosis
    • Diabetic Hyperglycemia
    • High Glucose in Type 1 Diabetes
    • High Blood Sugar Episode
    • Juvenile Diabetes
    • Insulin-Dependent Diabetes
    • T1D

    ICD-10 Codes:

    • E1065: Type 1 diabetes mellitus with hyperglycemia
    • E109: Type 1 diabetes mellitus without complications

    Also known as:

    • Hypothyroidism
    • Post-Surgery Hypothyroidism
    • Other Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function
    • Postoperative Underactive Thyroid
    • Thyroid Failure After Surgery
    • Thyroid Gland Underactivity

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified
    • E890: Postprocedural hypothyroidism
    • E038: Other specified hypothyroidism

    Also known as:

    • Hashimoto's Disease
    • Thyroid Disease
    • Hashimoto's disease
    • Autoimmune thyroiditis', 'Chronic lymphocytic thyroiditis', 'Hashimoto's thyroiditis

    ICD-10 Codes:

    • E063: Autoimmune thyroiditis

    Also known as:

    • Underactive Pituitary Gland
    • Pituitary Disorder
    • Combined pituitary hormone deficiency
    • Isolated growth hormone deficiency
    • Hypopituitarism
    • Pituitary Hormone Deficiency
    • Low Pituitary Function

    ICD-10 Codes:

    • E230: Hypopituitarism

    Also known as:

    • Prediabetes
    • Insulin Resistance & Prediabetes
    • Borderline diabetes
    • Insulin resistance
    • High blood sugar (not yet diabetes)

    ICD-10 Codes:

    • R7303: Prediabetes

    Does Dr. O'sullivan accept my insurance?

    Dr. O'sullivan accepts most major insurance plans. Important: Please call our office at (888) 824-0200 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'sullivan accept in Crown Point, IN?

    Dr. O'sullivan in Crown Point, IN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cook County Health & Hospitals System

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Humana

    • Medicare

    • State of Illinois

    • State of Nevada

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

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

    Dr. Katie O'sullivan's Primary Practice

    10855 Virginia St Ste 1200

    Crown Point, IN 46307

    (888) 824-0200

    Get Directions

    Dr. Katie O'sullivan's Practice 2

    14290 S La Grange Rd

    Orland Park, IL 60462

    (888) 824-0200

    Get Directions

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

    Dr. O'sullivan's National Provider Identifier (NPI) number is 1902038094.

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

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

    What is Dr. Katie O'sullivan's specialty?

    Dr. O'sullivan is a Endocrinologist near Crown Point, IN. An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues. Contact Dr. O'sullivan to book an appointment today.

    Is this Dr. Katie O'sullivan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'sullivan is affiliated with UChicago Medicine Ingalls Memorial Hospital, Northwestern Medicine Palos Hospital, Froedtert Pleasant Prairie Hospital, Silver Cross Hospital, Northwestern Medicine Delnor Hospital, Northwestern Memorial 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 Endocrinologist?

    Explore Endocrinologist 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 Katie O'sullivan accepting new patients in Crown Point, IN?

    Yes, Dr. Katie O'sullivan is accepting new patients at this time.

    Does Dr. Katie O'sullivan offer online booking?

    Please contact Dr. O'sullivan's office at (888) 824-0200 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katie O'sullivan?

    Please contact Dr. O'sullivan's office at (888) 824-0200 for information regarding telehealth appointment availability or for scheduling assistance.

    Other Endocrinologist Near Crown Point, IN

    LD

    Endocrinologist

    acceptingPatients-iconAccepting patients
    Crown Point, IN
    SA

    Endocrinologist

    acceptingPatients-iconAccepting patients
    Crown Point, IN
    RC

    Endocrinologist

    acceptingPatients-iconAccepting patients
    Crown Point, IN
    See All Specialists

    Doctors by Category

    Specialists