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Dr. Clan Hahn, MD

Hematology / Oncology Specialist

Los Angeles, CA

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hahn, Hematology / Oncology Specialist in Los Angeles, CA?

    Dr. Clan Hahn, MD is a Hematology / Oncology Specialist, who primarily practices in Los Angeles, CA. He has been practicing for over 27 years. Dr. Hahn completed his residency at Vet Affairs Med Ctr, Hematology/Oncology White Mem Med Ctr, Internal Medicine. Dr. Hahn is fluent in English and Korean, and is currently seeing new patients. Dr. Hahn’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hahn’s office at (213) 270-1700.

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

    • Residency: Vet Affairs Med Ctr, Hematology/Oncology White Mem Med Ctr, Internal Medicine

    What languages does Dr. Hahn speak?

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

    • English
    • Korean

    What conditions does a Hematology / Oncology Specialist like Dr. Hahn typically treat?

    As a Hematology / Oncology Specialist, Dr. Hahn 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. Hahn. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Lung Cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Pulmonary cancer

    ICD-10 Codes:

    • C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung

    Also known as:

    • Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma

    ICD-10 Codes:

    • C50919: Malignant neoplasm of unspecified site of unspecified female breast

    Also known as:

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

    ICD-10 Codes:

    • C189: Malignant neoplasm of colon, unspecified

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Stomach Cancer
    • Gastric Cancer
    • Malignant Neoplasm of Stomach
    • Stomach Tumor

    ICD-10 Codes:

    • C169: Malignant neoplasm of stomach, unspecified

    Also known as:

    • Thrombocytopenia
    • Platelet Disorder
    • Low platelet count
    • Platelet deficiency
    • Bleeding disorder

    ICD-10 Codes:

    • D696: Thrombocytopenia, unspecified

    What procedures does a Hematology / Oncology Specialist like Dr. Hahn typically perform?

    As a Hematology / Oncology Specialist, Dr. Hahn performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Hahn. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Vein Needle or Catheter Insertion
    • Venipuncture
    • IV Insertion
    • Intravenous Access
    • Catheter Placement Vein

    CPT Codes:

    • 36000: Introduction of needle or intracatheter, vein

    Also known as:

    • Lung or Chest Biopsy
    • Liver Biopsy (Needle)
    • Biopsy
    • Percutaneous lung biopsy
    • Mediastinum core needle biopsy
    • Image-guided lung biopsy
    • Percutaneous liver biopsy
    • Needle liver sample
    • Liver tissue biopsy
    • Liver needle aspiration

    CPT Codes:

    • 32408: Core needle biopsy, lung or mediastinum, percutaneous, including imaging guidance, when performed
    • 47000: Biopsy of liver, needle; percutaneous

    Also known as:

    • Bone Marrow Biopsy and Aspiration
    • Biopsy
    • Bone Marrow Tests
    • Bone Marrow Exam
    • Bone Marrow Sample Collection
    • Diagnostic Bone Marrow Procedure

    CPT Codes:

    • 38222: Diagnostic bone marrow; biopsy(ies) and aspiration(s)

    Also known as:

    • Therapeutic Blood Draw
    • Therapeutic Phlebotomy
    • Blood Letting
    • Blood Removal for Treatment

    CPT Codes:

    • 99195: Phlebotomy, therapeutic (separate procedure)

    Does Dr. Hahn accept my insurance?

    Dr. Hahn accepts most major insurance plans. Important: Please call our office at (213) 270-1700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hahn accept in Los Angeles, CA?

    Dr. Hahn in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Astiva Health

    • Blue Shield of California

    • Centene Corporation

    • Clever Care Health Plan

    • Elevance Health Inc. (formerly Anthem)

    • HealthSmart

    • Medicare

    • Molina Healthcare

    • Other Health Care Provider

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Hahn's office located?

    Dr. Clan Hahn's Primary Practice

    520 S Virgil Ave Ste 306

    Los Angeles, CA 90020

    (213) 270-1700

    Get Directions

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

    Dr. Hahn's National Provider Identifier (NPI) number is 1023043189.

    What common questions do patients ask about Dr. Hahn?

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

    What is Dr. Clan Hahn's specialty?

    Dr. Hahn is a Hematology / Oncology Specialist near Los Angeles, CA.

    What does a Hematology / Oncology Specialist do?

    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.

    Is Dr. Clan Hahn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hahn is affiliated with Pih Health Good Samaritan Hospital, Cedars-Sinai Medical Center, Ronald Reagan Ucla Medical Center, Torrance Memorial Medical Center, Adventist Health Glendale, Riverside Community 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

    When to see a Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. Explore 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 Dr. Clan Hahn accepting new patients in Los Angeles, CA?

    Yes, Dr. Clan Hahn is accepting new patients at this time.

    Does Dr. Clan Hahn offer online booking?

    Please contact Dr. Hahn's office at (213) 270-1700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Clan Hahn?

    Please contact Dr. Hahn's office at (213) 270-1700 to schedule an appointment.

    Where is Dr. Hahn's office located?

    Dr. Hahn's office is located in Los Angeles, CA.