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. 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 Kaiser Permanente, Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare 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 and 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, and 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 a Hematology / Oncology Specialist like Dr. Chen typically 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. Learn more about our claims-based healthcare methodology here.
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:
- 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
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:
- 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
What procedures does a Hematology / Oncology Specialist like Dr. Chen typically perform?
As a Hematology / Oncology Specialist, Dr. Chen 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. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Blood Transfusion
- Blood Transfusion and Donation
- Blood product transfusion
- Red blood cell transfusion
- Plasma transfusion
CPT Codes:
- 36430: Transfusion, blood or blood components
Also known as:
- Plasma Exchange (Plasmapheresis)
- Therapeutic Plasmapheresis
- Plasma Pheresis
- Blood Plasma Treatment
CPT Codes:
- 36514: Therapeutic apheresis; for plasma pheresis
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)
Also known as:
- Abdominal Fluid Drainage with Imaging Guidance
- Guided Abdominal Paracentesis
- Ascites Drainage with Ultrasound
- Fluid Removal from Belly
CPT Codes:
- 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance
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
Cigna Group
Conifer Health Solutions
Contra Costa
CVS Health (formerly Aetna)
Humana
Medicare
Molina Healthcare
UnitedHealth Group
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
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.
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 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 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 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.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>