18 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tsai, Gastroenterologist in Austin, TX?
Castle Connolly Top Doctor
Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.
What are Areas of Expertise for Dr. Tsai?
Dr. John Tsai, MD is a highly-rated, board-certified Gastroenterologist 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. Tsai empowers patients to confidently navigate their health journey, specializing in Barrett's Esophagus, Colon & Rectal Cancer Detection, Endoscopic Therapies, Inflammatory Bowel Disease, Liver Disease, and comprehensive wellness support. Serving the Austin, TX community, Dr. Tsai is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Tsai go to medical school and complete their residency?
Medical School: Northwestern University The Feinberg School of Medicine
What languages does Dr. Tsai speak?
Dr. Tsai and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does a Gastroenterologist like Dr. Tsai typically treat?
As a Gastroenterologist, Dr. Tsai 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. Tsai. 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.
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
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:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
What procedures does a Gastroenterologist like Dr. Tsai typically perform?
As a Gastroenterologist, Dr. Tsai 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. Tsai. 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.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
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:
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Tsai accept my insurance?
Dr. Tsai accepts most major insurance plans. Important: Please call our office at (512) 448-4588 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tsai accept in Austin, TX?
Dr. Tsai in Austin, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
Mutual of Omaha
Physicians Mutual Insurance Company
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Tsai's office located?
Dr. John Tsai's Primary Practice
4310 James Casey St Ste 4A
Austin, TX 78745
(512) 448-4588
What hospitals are Dr. Tsai affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Tsai has admitting privileges at the following hospitals:
What is Dr. Tsai's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tsai's National Provider Identifier (NPI) number is 1437321791.
What common questions do patients ask about Dr. Tsai?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tsai