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Dr. Johnny Chang, MD

Dr. Johnny Chang, MD

Hematology / Oncology Specialist

Tarzana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chang, Hematology / Oncology Specialist in Tarzana, CA?

    Dr. Johnny Chang, MD is a Hematology / Oncology Specialist, who primarily practices in Tarzana, CA with 2 additional practice locations. Dr. Chang completed his residency at University of California, Los Angeles Medical Center - Hematology and Oncology. Dr. Chang is fluent in English and Chinese, and is currently seeing new patients. Dr. Chang’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (818) 981-3818.

    What are Areas of Expertise for Dr. Chang?

    Dr. Johnny Chang, MD is a highly-rated, board-certified Hematology / Oncology Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Chang empowers patients to confidently navigate their health journey, specializing in Hemophilia, Leukemia, and comprehensive wellness support. Serving the Tarzana, CA community, Dr. Chang is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: University of California, Los Angeles Medical Center - Hematology and Oncology

    • Residency: University of California, Los Angeles Medical Center - Hematology and Oncology

    • Medical School: University of California, Los Angeles David Geffen School of Medicine

    What languages does Dr. Chang speak?

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

    • Chinese
    • English

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

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

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

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum

    Also known as:

    • Anal Cancer
    • Anal Cancer Treatment (PDQ®)
    • Anus Cancer
    • Anal Carcinoma

    ICD-10 Codes:

    • C210: Malignant neoplasm of anus, unspecified

    Also known as:

    • Cancer Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified

    Also known as:

    • Lung Cancer
    • Left Lung Cancer
    • Upper Lobe Lung Cancer
    • Bronchial Cancer

    ICD-10 Codes:

    • C3412: Malignant neoplasm of upper lobe, left bronchus or lung

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

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

    As a Hematology / Oncology Specialist, procedures performed by Dr. Johnny Chang may include:

    Please contact Dr. Chang's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Chang accept my insurance?

    Dr. Chang accepts most major insurance plans. Important: Please call our office at (818) 981-3818 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chang accept in Tarzana, CA?

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

    Top Insurances

    • Alignment Healthcare

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Heritage Health

    • Humana

    • Medicare

    • Other Health Care Provider

    • St. Joseph Health System (CA)

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Chang's office located?

    Dr. Johnny Chang's Primary Practice

    18133 Ventura Blvd Ste 300

    Tarzana, CA 91356

    (818) 981-3818

    Get Directions

    Dr. Johnny Chang's Practice 2

    100 W California Blvd

    Pasadena, CA 91105

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    Dr. Johnny Chang's Practice 3

    5525 Etiwanda Ave Ste 320

    Tarzana, CA 91356

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

    Dr. Chang's National Provider Identifier (NPI) number is 1366465304.

    What common questions do patients ask about Dr. Chang?

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

    What is Dr. Johnny Chang's specialty?

    Dr. Chang is a Hematology / Oncology Specialist near Tarzana, 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. Johnny Chang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chang is affiliated with Providence Cedars-Sinai Tarzana Medical Center 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

    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. Johnny Chang accepting new patients in Tarzana, CA?

    Yes, Dr. Johnny Chang is accepting new patients at this time.

    Does Dr. Johnny Chang offer online booking?

    Please contact Dr. Chang's office at (818) 981-3818 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Johnny Chang?

    Please contact Dr. Chang's office at (818) 981-3818 to schedule an appointment.

    Where is Dr. Chang's office located?

    Dr. Chang's offices are located in Tarzana, CA and Pasadena, CA.