TB
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Byun, Hematology / Oncology Specialist in Orange, CA?
Dr. Timothy Byun, MD is a Hematology / Oncology Specialist, who primarily practices in Orange, CA with 2 additional practice locations. He is board certified. Dr. Byun graduated from Rush and completed his residency at Univ Ca Irvine Med Ctr, Hematology/Oncology. Dr. Byun is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Byun’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Byun’s office at (714) 835-1800.
Where did Dr. Byun go to medical school and complete their residency?
Fellowship: UC Irvine
Residency: Univ Ca Irvine Med Ctr, Hematology/Oncology | University of California, Irvine Affiliated Hospitals
Medical School: Rush Med Coll of Rush University, Chicago Il | Rush
Is Dr. Byun board certified as a Hematology / Oncology Specialist?
Yes, Dr. Timothy Byun, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Byun speak?
Dr. Byun and their clinical team can communicate with patients in the following languages:
English
Korean
Spanish
What conditions does Dr. Byun treat?
As a Hematology / Oncology Specialist, Dr. Byun 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. Byun. 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:
- Cancer Chemotherapy
- Cancer Immunotherapy
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
- Oncology immunotherapy
- Immune therapy for cancer
ICD-10 Codes:
- Z5111: Encounter for antineoplastic chemotherapy
- Z5112: Encounter for antineoplastic immunotherapy
Also known as:
- Breast Cancer
- Mammary cancer
- Breast carcinoma
- Breast tumor
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
ICD-10 Codes:
- C50911: Malignant neoplasm of unspecified site of right female breast
- C50912: Malignant neoplasm of unspecified site of left female breast
- C50919: Malignant neoplasm of unspecified site of unspecified female breast
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Iron Deficiency Anemia from Chronic Blood Loss
- Anemia
- Iron
- Anemia due to iron deficiency and blood loss
- Chronic blood loss anemia
- Low iron anemia from bleeding
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D500: Iron deficiency anemia secondary to blood loss (chronic)
- D649: Anemia, unspecified
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:
- Secondary Bone Cancer
- Bone Cancer
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
ICD-10 Codes:
- C7951: Secondary malignant neoplasm of bone
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
What procedures does Dr. Byun perform?
As a Hematology / Oncology Specialist, Dr. Byun 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. Byun. 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:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
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:
- Tunneled Central Venous Catheter Removal
- Central Line Explant
- Port-a-Cath Removal
- Implantable Venous Access Device Removal
- Tunneled Catheter Extraction
CPT Codes:
- 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion
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:
- Fluid Removal from Lung Area with Imaging Guidance
- Thoracentesis
- Pleural Fluid Aspiration
- Lung Tap
- Fluid Drainage from Chest
CPT Codes:
- 32555: Thoracentesis, needle or catheter, aspiration of the pleural space; with imaging guidance
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. Byun accept my insurance?
Dr. Byun accepts most major insurance plans. Important: Please call our office at (714) 835-1800 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Byun accept in Orange, CA?
Dr. Byun in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Territories
All Other Third Party
CalOptima
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Byun's office located?
Dr. Timothy Byun's Primary Practice
805 W La Veta Ave Ste 101
Orange, CA 92868
(714) 835-1800
What is Dr. Byun's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Byun's National Provider Identifier (NPI) number is 1871545012.
What common questions do patients ask about Dr. Byun?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Byun
What is Dr. Timothy Byun's specialty?
Dr. Byun is a Hematology / Oncology Specialist near Orange, 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. Byun to book an appointment today.
Is this Dr. Timothy Byun affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Byun is affiliated with Providence St. Jude Medical Center, UCI Medical Center, Providence Mission Hospital Mission Viejo 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 Timothy Byun accepting new patients in Orange, CA?
Yes, Dr. Timothy Byun is accepting new patients at this time.
Does Dr. Timothy Byun offer online booking?
Please contact Dr. Byun's office at (714) 835-1800 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Timothy Byun?
Please contact Dr. Byun's office at (714) 835-1800 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Timothy Byun have?
Dr. Timothy Byun is certified by the American Board of Internal Medicine.
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