22 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hwang, Gastroenterologist in Stanford, CA?
Dr. Joo Hwang, MD is a Gastroenterologist, who primarily practices in Stanford, CA with 2 additional practice locations. He has been practicing for over 22 years and is board certified. Dr. Hwang completed his residency at Univ Of Wa Sch Of Med, Gastroenterology; Univ Of Wa Sch Of Med, Internal Medicine. Dr. Hwang is fluent in English and Korean, and is currently seeing new patients. Dr. Hwang’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hwang’s office at (650) 723-4000.
Where did Dr. Hwang go to medical school and complete their residency?
Fellowship: UW - Division of Gastroenterology
Residency: Univ Of Wa Sch Of Med, Gastroenterology; Univ Of Wa Sch Of Med, Internal Medicine | University of Washington Affiliated Hospitals
Medical School: University of Chicago, Pritzker Sch of Med, Chicago Il
Is Dr. Hwang board certified as a Gastroenterologist?
Yes, Dr. Joo Hwang, MD is board certified by the American Board of Internal Medicine , American Board of Internal Medicine since 2005
What languages does Dr. Hwang speak?
Dr. Hwang and their clinical team can communicate with patients in the following languages:
English
Korean
What conditions does a Gastroenterologist like Dr. Hwang typically treat?
As a Gastroenterologist, Dr. Hwang 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. Hwang. 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:
- Achalasia
- Esophagus Disorder
- Esophageal Achalasia
- Cardia Achalasia
- Difficulty Swallowing
ICD-10 Codes:
- K220: Achalasia of cardia
Also known as:
- Gastroparesis
- Stomach and Duodenum Disorder
- Stomach Disorder
- Delayed Gastric Emptying
- Stomach Paralysis
- Gastric Motility Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3184: Gastroparesis
- K3189: Other diseases of stomach and duodenum
Also known as:
- Other Esophagus Condition
- Esophagus Disorder
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2289: Other specified disease of esophagus
What procedures does a Gastroenterologist like Dr. Hwang typically perform?
As a Gastroenterologist, Dr. Hwang 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. Hwang. 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:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
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:
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- POEM Procedure (Esophageal Myotomy)
- Peroral Endoscopic Myotomy
- Esophageal Muscle Cutting
- Achalasia Treatment
- Transoral Esophageal Myotomy
CPT Codes:
- 43497: Lower esophageal myotomy, transoral (ie, peroral endoscopic myotomy [POEM])
Also known as:
- Upper Endoscopy for Foreign Body Removal
- EGD for Foreign Body
- Gastroscopy for Object Removal
- Esophagogastroduodenoscopy for Foreign Body
CPT Codes:
- 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)
Also known as:
- Esophageal Balloon Distension Study
- Esophageal distension test
- Balloon provocation test
- Esophageal pain study
CPT Codes:
- 91040: Esophageal balloon distension study, diagnostic, with provocation when performed
Does Dr. Hwang accept my insurance?
Dr. Hwang accepts most major insurance plans. Important: Please call our office at (650) 723-4000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hwang accept in Stanford, CA?
Dr. Hwang in Stanford, 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
CVS Health (formerly Aetna)
Medicaid
Medicare
Santa Cruz County
State of California
UnitedHealth Group
Valley Health Plan
View All Insurances
Where is Dr. Hwang's office located?
What is Dr. Hwang's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hwang's National Provider Identifier (NPI) number is 1194815043.
What common questions do patients ask about Dr. Hwang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hwang
What is Dr. Joo Hwang's specialty?
Dr. Hwang is a Gastroenterologist near Stanford, CA.
What does a Gastroenterologist do?
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.
Is this Dr. Joo Hwang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hwang is affiliated with Stanford Health Care - Stanford Hospital 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 Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. 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 Joo Hwang accepting new patients in Stanford, CA?
Yes, Dr. Joo Hwang is accepting new patients at this time.
Does Dr. Joo Hwang offer online booking?
Please contact Dr. Hwang's office at (650) 723-4000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Joo Hwang?
Please contact Dr. Hwang's office at (650) 723-4000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Joo Hwang have?
Dr. Joo Hwang is certified by the American Board of Internal Medicine.
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