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Dr. Catherine Park Leonard, MD

Barrington, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Park Leonard, Radiation Oncologist in Barrington, IL?

    Dr. Catherine Park Leonard, MD is a Radiation Oncologist, who primarily practices in Barrington, IL with 2 additional practice locations. She is board certified. Dr. Park Leonard is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Park Leonard’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Park Leonard’s office at (847) 842-0300.

    What languages does Dr. Park Leonard speak?

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

    • English

    • Korean

    • Spanish

    What conditions does Dr. Park Leonard treat?

    As a Radiation Oncologist, Dr. Park Leonard 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. Park Leonard. 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:

    • Breast Cancer
    • Upper-Outer Quadrant Right Female Breast Cancer
    • Upper-Inner Quadrant Right Female Breast Cancer
    • Upper-Inner Quadrant Left Female Breast Cancer
    • Central Right Female Breast Cancer
    • Lower-Outer Quadrant Right Female Breast Cancer
    • Early Breast Cancer of the Left Breast
    • Lower-Outer Quadrant Left Female Breast Cancer
    • Early Breast Cancer of the Right Breast
    • Central Left Female Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma
    • Right female breast cancer upper-outer
    • Upper-outer right female breast tumor
    • Malignant growth in upper-outer right female breast
    • Right female breast cancer upper-inner
    • Upper-inner right female breast tumor
    • Malignant growth in upper-inner right female breast
    • Left female breast cancer upper-inner
    • Upper-inner left female breast tumor
    • Malignant growth in upper-inner left female breast
    • Right female breast central tumor
    • Malignant growth in central right female breast
    • Right female breast cancer lower-outer
    • Lower-outer right female breast tumor
    • Malignant growth in lower-outer right female breast
    • Intraductal carcinoma in situ left breast
    • Precancerous cells left breast
    • Non-invasive breast cancer left breast
    • DCIS left breast
    • Left female breast cancer lower-outer
    • Lower-outer left female breast tumor
    • Malignant growth in lower-outer left female breast
    • Intraductal carcinoma in situ right breast
    • Precancerous cells right breast
    • Non-invasive breast cancer right breast
    • DCIS right breast
    • Left female breast central tumor
    • Malignant growth in central left female breast

    ICD-10 Codes:

    • C50412: Malignant neoplasm of upper-outer quadrant of left female breast
    • C50411: Malignant neoplasm of upper-outer quadrant of right female breast
    • C50211: Malignant neoplasm of upper-inner quadrant of right female breast
    • C50212: Malignant neoplasm of upper-inner quadrant of left female breast
    • C50111: Malignant neoplasm of central portion of right female breast
    • C50511: Malignant neoplasm of lower-outer quadrant of right female breast
    • D0512: Intraductal carcinoma in situ of left breast
    • C50512: Malignant neoplasm of lower-outer quadrant of left female breast
    • D0511: Intraductal carcinoma in situ of right breast
    • C50112: Malignant neoplasm of central portion of left female breast

    Also known as:

    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ®)
    • Prostatic Carcinoma
    • Prostate Gland Cancer
    • Malignant Prostate Tumor

    ICD-10 Codes:

    • C61: Malignant neoplasm of prostate

    Also known as:

    • Lung Cancer
    • Right upper lobe lung cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Left Lung Cancer
    • Upper Lobe Lung Cancer
    • Bronchial Cancer
    • Left lower lobe lung cancer
    • Right lower lobe lung cancer

    ICD-10 Codes:

    • C3411: Malignant neoplasm of upper lobe, right bronchus or lung
    • C3412: Malignant neoplasm of upper lobe, left bronchus or lung
    • C3432: Malignant neoplasm of lower lobe, left bronchus or lung
    • C3431: Malignant neoplasm of lower lobe, right bronchus or lung

    Also known as:

    • Secondary Bone Cancer
    • Secondary Brain Cancer
    • Bone Cancer
    • Brain Tumor
    • Metastatic bone cancer
    • Cancer spread to bone
    • Bone metastases
    • Metastatic brain cancer
    • Brain metastases
    • Cancer spread to brain

    ICD-10 Codes:

    • C7951: Secondary malignant neoplasm of bone
    • C7931: Secondary malignant neoplasm of brain

    Also known as:

    • Endometrial Cancer
    • Uterine Cancer
    • Endometrial Cancer Treatment (PDQ®)
    • Malignant Endometrial Tumor
    • Endometrial Carcinoma
    • Cancer of the Endometrium

    ICD-10 Codes:

    • C541: Malignant neoplasm of endometrium

    Also known as:

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum

    Also known as:

    • Esophageal Cancer
    • Esophagus Cancer
    • Malignant Neoplasm of Esophagus
    • Gullet Cancer

    ICD-10 Codes:

    • C155: Malignant neoplasm of lower third of esophagus

    Which procedures does Dr. Park Leonard perform as a Radiation Oncologist?

    As a Radiation Oncologist, procedures performed by a Dr. Catherine Park Leonard may include:

    For detailed information, please contact Dr. Park Leonard's office.

    Does Dr. Park Leonard accept my insurance?

    Dr. Park Leonard accepts most major insurance plans. Important: Please call our office at (847) 842-0300 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Park Leonard accept in Barrington, IL?

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

    Top Insurances

    • Advocate Health Care

    • All Other Third Party

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • State of Illinois

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Park Leonard's office located?

    Dr. Catherine Park Leonard's Primary Practice

    27750 W Il Route 22 Ste G50

    Barrington, IL 60010

    (847) 842-0300

    Get Directions

    Dr. Catherine Park Leonard's Practice 2

    700 Commerce Dr Ste 500

    Oak Brook, IL 60523

    (847) 698-0600

    Get Directions

    Dr. Catherine Park Leonard's Practice 3

    1 Salt Creek Ln

    Hinsdale, IL 60521

    Get Directions

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

    Dr. Park Leonard's National Provider Identifier (NPI) number is 1710149968.

    What common questions do patients ask about Dr. Park Leonard?

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

    What is Dr. Catherine Park Leonard's specialty?

    Dr. Park Leonard is a Radiation Oncologist near Barrington, IL. A radiological oncologist specializes in the therapeutic applications of radiant energy and its modifiers. They focus on the study and management of diseases, particularly malignant tumors. Contact Dr. Park Leonard to book an appointment today.

    Is this Dr. Catherine Park Leonard affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Park Leonard is affiliated with Advocate Good Shepherd Hospital, Advocate Condell Medical Center, Advocate Good Samaritan Hospital, Advocate Lutheran General 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 Radiation Oncologist?

    Explore Radiation Oncologist 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 Catherine Park Leonard accepting new patients in Barrington, IL?

    Yes, Dr. Catherine Park Leonard is accepting new patients at this time.

    Does Dr. Catherine Park Leonard offer online booking?

    Please contact Dr. Park Leonard's office at (847) 842-0300 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Catherine Park Leonard?

    Please contact Dr. Park Leonard's office at (847) 842-0300 for information regarding telehealth appointment availability or for scheduling assistance.

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