WY
19 Years of Experience
Accepting patients
Who is Dr. Yu, Gastroenterologist in Tustin, CA?
Dr. Won Yu, MD is a Gastroenterologist, who primarily practices in Tustin, CA with 1 additional practice location. He has been practicing for over 19 years and is board certified by the American Board of Internal Medicine. Dr. Yu graduated from Temple University School Of Medicine and completed his residency at UCLA. Dr. Yu is fluent in English and Korean, and is currently seeing new patients. Dr. Yu’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Yu’s office at (714) 937-9400.
Where did Dr. Yu go to medical school and complete their residency?
Fellowship: USC | UCLA
Residency: UCLA
Medical School: Temple University School Of Medicine
Is Dr. Yu board certified in Gastroenterologist?
Yes, Dr. Won Yu, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Yu speak?
Dr. Yu and their clinical team can communicate with patients in the following languages:
English
Korean
What conditions does Dr. Yu treat?
As a Gastroenterologist, Dr. Yu 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. Yu. 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:
- Indigestion
- Gas in the Digestive Tract
- Indigestion (Dyspepsia)
- Dyspepsia
- Upset Stomach
- Stomach Discomfort
ICD-10 Codes:
- K30: Functional dyspepsia
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
- History of Adenomatous and Serrated Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- K635: Polyp of colon
- Z860101: Personal history of adenomatous and serrated colon polyps
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:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
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:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Dark, Tarry Stools (Melena)
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K921: Melena
- K625: Hemorrhage of anus and rectum
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Chronic Hepatitis B
- Hepatitis B
- Long-term Hepatitis B
- Persistent Hepatitis B
- Hep B
ICD-10 Codes:
- B181: Chronic viral hepatitis B without delta-agent
Also known as:
- Nausea and Vomiting
- Feeling Sick and Throwing Up
- Stomach Flu Symptoms
- Queasy and Vomiting
ICD-10 Codes:
- R112: Nausea with vomiting, unspecified
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Blocked Bile Duct
- Bile Duct Disease
- Biliary Obstruction
- Bile Duct Blockage
- Obstructed Bile Duct
ICD-10 Codes:
- K831: Obstruction of bile duct
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Which procedures does Dr. Yu perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Won Yu may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Yu's office.
Does Dr. Yu accept my insurance?
Dr. Yu accepts most major insurance plans. Important: Please call our office at (714) 937-9400 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Yu accept in Tustin, CA?
Dr. Yu in Tustin, 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
CalOptima
Centene
Clever Care Health Plan
CVS Health (formerly Aetna)
Other Health Care Provider
Scan Health Plan
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Yu's office located?
What is Dr. Yu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Yu's National Provider Identifier (NPI) number is 1720065303.
What common questions do patients ask about Dr. Yu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Yu
What is Dr. Won Yu's specialty?
Dr. Yu is a Gastroenterologist near Tustin, 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. Yu to book an appointment today.
Is this Dr. Won Yu affiliated with a ranked Castle Connolly Top Hospital?
No, Yu is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Providence St. Joseph Hospital Orange. Castle Connolly Top Hospitals 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 Won Yu accepting new patients in Tustin, CA?
Yes, Dr. Won Yu is accepting new patients at this time.
Does Dr. Won Yu offer online booking?
Please contact Dr. Yu's office at (714) 937-9400 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Won Yu?
Please contact Dr. Yu's office at (714) 937-9400 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Won Yu have?
Dr. Won Yu is certified by the American Board of Internal Medicine.
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