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Dr. Gigi Chen, MD

Dr. Gigi Chen, MD

Walnut Creek, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chen, Hematology / Oncology Specialist in Walnut Creek, CA?

    Dr. Gigi Chen, MD is a Hematology / Oncology Specialist, who primarily practices in Walnut Creek, CA with 2 additional practice locations. She is board certified. Dr. Chen graduated from University of California. Dr. Chen is fluent in English and Chinese, and is currently seeing new patients. Dr. Chen’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chen’s office at (925) 677-5041.

    What are Areas of Expertise for Dr. Chen?

    Dr. Gigi Chen, MD is a highly-rated, board-certified Hematology / Oncology Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Chen empowers patients to confidently navigate their health journey, specializing in Breast Cancer, Gynecologic Cancers, Hematologic Malignancies, Hematology, Lung Cancer, or comprehensive wellness support. Serving the Walnut Creek/CA community, Dr. Chen is dedicated to enhancing lives through expert, patient-centered care.

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

    • Medical School: University of California

    What languages does Dr. Chen speak?

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

    • Chinese

    • English

    What conditions does Dr. Chen treat?

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

    • Ovarian Cancer
    • Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancer Treatment (PDQ)
    • Cancer of the ovary
    • Ovarian carcinoma
    • Female reproductive cancer

    ICD-10 Codes:

    • C569: Malignant neoplasm of unspecified ovary
    • C562: Malignant neoplasm of left ovary

    Also known as:

    • Lung Cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Pulmonary cancer
    • Left Lung Cancer
    • Upper Lobe Lung Cancer
    • Bronchial Cancer

    ICD-10 Codes:

    • C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung
    • C3412: Malignant neoplasm of upper lobe, left bronchus or lung

    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:

    • Anemia
    • Iron Deficiency Anemia
    • Iron
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D649: Anemia, unspecified
    • D509: Iron deficiency anemia, unspecified

    Also known as:

    • Multiple Myeloma
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
    • Active multiple myeloma
    • Untreated multiple myeloma
    • Plasma cell myeloma

    ICD-10 Codes:

    • C9000: Multiple myeloma not having achieved remission

    Also known as:

    • Breast Cancer
    • Mammary cancer
    • Breast carcinoma
    • Breast tumor

    ICD-10 Codes:

    • C50911: Malignant neoplasm of unspecified site of right female breast
    • C50912: Malignant neoplasm of unspecified site of left female breast

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Chronic Lymphocytic Leukemia
    • Chronic Lymphocytic Leukemia Treatment (PDQ®)
    • CLL
    • B-cell chronic lymphocytic leukemia
    • Lymphocytic leukemia

    ICD-10 Codes:

    • C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission

    Also known as:

    • Myelodysplastic Syndrome
    • Myelodysplastic Syndromes
    • Myelodysplastic Syndromes Treatment (PDQ®)
    • MDS
    • Preleukemia
    • Bone marrow failure disorder

    ICD-10 Codes:

    • D469: Myelodysplastic syndrome, unspecified

    Also known as:

    • Monoclonal Gammopathy
    • Blood Disorder
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
    • MGUS
    • Plasma Cell Disorder
    • Gammopathy of Undetermined Significance

    ICD-10 Codes:

    • D472: Monoclonal gammopathy

    Also known as:

    • Pancreatic Cancer
    • Pancreas Cancer
    • Malignant Pancreatic Tumor
    • Pancreatic Carcinoma

    ICD-10 Codes:

    • C259: Malignant neoplasm of pancreas, unspecified

    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

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Chronic Kidney Disease
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • Mineral & Bone Disorder in Chronic Kidney Disease
    • CKD
    • Long-Term Kidney Disease

    ICD-10 Codes:

    • N189: Chronic kidney disease, unspecified

    Also known as:

    • Brain Tumor
    • Brain Cancer
    • Cerebral Tumor
    • Intracranial Tumor
    • Malignant Brain Tumor

    ICD-10 Codes:

    • C719: Malignant neoplasm of brain, unspecified

    Also known as:

    • Cancer Follow-up Exam
    • Cancer
    • Post-cancer treatment checkup
    • Malignancy surveillance
    • Oncology follow-up

    ICD-10 Codes:

    • Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm

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

    As a Hematology / Oncology Specialist, procedures performed by a Dr. Gigi Chen may include:

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

    Does Dr. Chen accept my insurance?

    Dr. Chen accepts most major insurance plans. Important: Please call our office at (925) 677-5041 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chen accept in Walnut Creek, CA?

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

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • Conifer Health Solutions

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Humana

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Chen's office located?

    Dr. Gigi Chen's Primary Practice

    1914 Tice Valley Blvd

    Walnut Creek, CA 94595

    (925) 677-5041

    Get Directions

    Dr. Gigi Chen's Practice 2

    1210 Rossmoor Pkwy

    Walnut Creek, CA 94595

    Get Directions

    Dr. Gigi Chen's Practice 3

    2400 Balfour Rd Ste 230

    Brentwood, CA 94513

    Get Directions

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

    Dr. Chen's National Provider Identifier (NPI) number is 1821073636.

    What common questions do patients ask about Dr. Chen?

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

    What is Dr. Gigi Chen's specialty?

    Dr. Chen is a Hematology / Oncology Specialist near Walnut Creek, CA. 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. Chen to book an appointment today.

    Is this Dr. Gigi Chen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chen is affiliated with John Muir Health Walnut Creek Medical Center, San Ramon Regional Medical Center 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 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 Gigi Chen accepting new patients in Walnut Creek, CA?

    Yes, Dr. Gigi Chen is accepting new patients at this time.

    Does Dr. Gigi Chen offer online booking?

    Please contact Dr. Chen's office at (925) 677-5041 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gigi Chen?

    Please contact Dr. Chen's office at (925) 677-5041 for information regarding telehealth appointment availability or for scheduling assistance.

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