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LK

Dr. Leonard Klein

Niles, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Klein, Hematology / Oncology Specialist in Niles, IL?

    Dr. Leonard Klein is a Hematology / Oncology Specialist, who primarily practices in Niles, IL with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Klein completed his residency at Barnes-Jewish Hosp-S Campus, Hematology-Internal Medicine; Dallas Co Hp-Parkland Mem, Internal Medicine. Dr. Klein is fluent in English and Spanish, and is currently seeing new patients. Dr. Klein’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Klein’s office at (847) 827-9060.

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

    • Residency: Barnes-Jewish Hosp-S Campus, Hematology-Internal Medicine; Dallas Co Hp-Parkland Mem, Internal Medicine

    • Medical School: University At Buffalo SUNY School Of Med and Biomedical Sciences Buffalo Ny

    Is Dr. Klein board certified in Hematology / Oncology Specialist?

    Yes, Dr. Leonard Klein is board certified by the American Board of Internal Medicine

    What languages does Dr. Klein speak?

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

    • English

    • Spanish

    What conditions does Dr. Klein treat?

    As a Hematology / Oncology Specialist, Dr. Klein 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. Klein. 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:

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

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum

    Also known as:

    • Multiple Myeloma
    • Multiple Myeloma in Remission
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
    • Active multiple myeloma
    • Untreated multiple myeloma
    • Plasma cell myeloma
    • Plasma Cell Myeloma in Remission', 'Kahler's Disease in Remission
    • Myeloma in Remission

    ICD-10 Codes:

    • C9000: Multiple myeloma not having achieved remission
    • C9001: Multiple myeloma in remission

    Also known as:

    • Central Left Female Breast Cancer
    • Upper-Outer Quadrant Right Female Breast Cancer
    • Breast Cancer
    • Left female breast central tumor
    • Malignant growth in central left female breast
    • Right female breast cancer upper-outer
    • Upper-outer right female breast tumor
    • Malignant growth in upper-outer right female breast

    ICD-10 Codes:

    • C50112: Malignant neoplasm of central portion of left female breast
    • C50411: Malignant neoplasm of upper-outer quadrant of right female breast

    Also known as:

    • Moderate Recurrent Major Depression
    • Depression
    • Moderate chronic depression
    • Moderate recurring depression
    • Moderate depressive episodes

    ICD-10 Codes:

    • F331: Major depressive disorder, recurrent, moderate

    Also known as:

    • Diffuse Large B-cell Lymphoma
    • Lymphoma
    • DLBCL
    • Aggressive B-cell Lymphoma
    • Diffuse B-cell Lymphoma

    ICD-10 Codes:

    • C8330: Diffuse large B-cell lymphoma, unspecified site

    Which procedures does Dr. Klein perform as a Hematology / Oncology Specialist?

    As a Hematology / Oncology Specialist, procedures performed by a Dr. Leonard Klein may include:

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

    Does Dr. Klein accept my insurance?

    Dr. Klein accepts most major insurance plans. Important: Please call our office at (847) 827-9060 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Klein accept in Niles, IL?

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

    Top Insurances

    • CVS Health (formerly Aetna)

    • Medicare

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    Where is Dr. Klein's office located?

    Dr. Leonard Klein's Primary Practice

    8915 W Golf Rd

    Niles, IL 60714

    (847) 827-9060

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    Dr. Leonard Klein's Practice 2

    1775 Dempster St

    Park Ridge, IL 60068

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    Dr. Leonard Klein's Practice 3

    214 McHenry Rd

    Buffalo Grove, IL 60089

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

    Dr. Klein's National Provider Identifier (NPI) number is 1255328878.

    What common questions do patients ask about Dr. Klein?

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

    What is Dr. Leonard Klein's specialty?

    Dr. Klein is a Hematology / Oncology Specialist near Niles, IL. An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available. Contact Dr. Klein to book an appointment today.

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

    Yes, Dr. Klein is affiliated with Advocate Lutheran General 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

    Where can I learn more about Hematology / Oncology Specialist?

    Explore Hematology / Oncology Specialist 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 Leonard Klein accepting new patients in Niles, IL?

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

    Does Dr. Leonard Klein offer online booking?

    Please contact Dr. Klein's office at (847) 827-9060 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Leonard Klein?

    Please contact Dr. Klein's office at (847) 827-9060 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Leonard Klein have?

    Dr. Leonard Klein is certified by the American Board of Internal Medicine.

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