Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ko, Gastroenterologist in Castro Valley, CA?
Dr. Wei-Fang Ko, MD is a Gastroenterologist, who primarily practices in Castro Valley, CA. He is board certified. Dr. Ko graduated from University of Minnesota Med School. Dr. Ko is fluent in English and Chinese, and is currently seeing new patients. Dr. Ko’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ko’s office at (510) 537-4415.
Where did Dr. Ko go to medical school and complete their residency?
Medical School: University of Minnesota Med School | Taipei Med University
Is Dr. Ko board certified as a Gastroenterologist?
Yes, Dr. Wei-Fang Ko, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ko speak?
Dr. Ko and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Ko treat?
As a Gastroenterologist, Dr. Ko 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. Ko. 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:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Benign Transverse Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
ICD-10 Codes:
- D123: Benign neoplasm of transverse colon
Also known as:
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- GI Bleeding
- Internal Digestive Bleeding
- Digestive Tract Hemorrhage
ICD-10 Codes:
- K922: Gastrointestinal hemorrhage, unspecified
What procedures does Dr. Ko perform?
As a Gastroenterologist, Dr. Ko 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. Ko. 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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Ko accept my insurance?
Dr. Ko accepts most major insurance plans. Important: Please call our office at (510) 537-4415 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ko accept in Castro Valley, CA?
Dr. Ko in Castro Valley, 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
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hill Physicians Medical Group
Medicare
State of Tennessee
Sutter Health
UnitedHealthcare
View All Insurances
Where is Dr. Ko's office located?
Dr. Wei-Fang Ko's Primary Practice
19845 Lake Chabot Rd Ste 104
Castro Valley, CA 94546
(510) 537-4415
What is Dr. Ko's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ko's National Provider Identifier (NPI) number is 1417068081.
What common questions do patients ask about Dr. Ko?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ko
What is Dr. Wei-Fang Ko's specialty?
Dr. Ko is a Gastroenterologist near Castro Valley, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Ko to book an appointment today.
Is this Dr. Wei-Fang Ko affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ko is affiliated with Eden Medical Center, Stanford Health Care - Stanford Hospital, Alta Bates Summit Medical Center - Summit Campus 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 Gastroenterologist?
Explore Gastroenterologist 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 Wei-Fang Ko accepting new patients in Castro Valley, CA?
Yes, Dr. Wei-Fang Ko is accepting new patients at this time.
Does Dr. Wei-Fang Ko offer online booking?
Please contact Dr. Ko's office at (510) 537-4415 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Wei-Fang Ko?
Please contact Dr. Ko's office at (510) 537-4415 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Wei-Fang Ko have?
Dr. Wei-Fang Ko is certified by the American Board of Internal Medicine.
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