Dr. James Hwang, MD

Dr. James Hwang, MD

Gastroenterologist
1140 W La Veta Ave, Ste 555, Orange, CA
Dr. James Hwang is a board-certified gastroenterologist with extensive experience across multiple healthcare systems, including Kaiser Permanente Sacramento, Enloe Medical Center, and Rio Grande Gastroenterology. He completed his gastroenterology fellowship and internal medicine residency through Sunrise Health GME programs in Las Vegas and earned his medical degree from Drexel University College of Medicine, with advanced training in biomedical engineering and biochemistry from UC Irvine and UCLA. Dr. Hwang specializes in diagnosing, treating, and managing gastrointestinal and liver conditions, including GERD, inflammatory bowel disease, liver disease, GI cancers, and motility disorders. He performs procedures such as endoscopy, colonoscopy, and biopsy, providing both diagnostic and therapeutic care. He is committed to evidence-based, patient-centered care, emphasizing clear communication and collaborative treatment planning. Fluent in Korean, Dr. Hwang serves a diverse patient population and stays current with the latest advances in gastroenterology. Outside of medicine, he enjoys tennis, running, outdoor activities, and participates in short-term medical missions abroad, reflecting his dedication to service and community.
Highly recommended
100% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
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Available appointments

What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00

About Dr. James Hwang

Dr. James Hwang is a board-certified gastroenterologist with extensive experience across multiple healthcare systems, including Kaiser Permanente Sacramento, Enloe Medical Center, and Rio Grande Gastroenterology. He completed his gastroenterology fellowship and internal medicine residency through Sunrise Health GME programs in Las Vegas and earned his medical degree from Drexel University College of Medicine, with advanced training in biomedical engineering and biochemistry from UC Irvine and UCLA. Dr. Hwang specializes in diagnosing, treating, and managing gastrointestinal and liver conditions, including GERD, inflammatory bowel disease, liver disease, GI cancers, and motility disorders. He performs procedures such as endoscopy, colonoscopy, and biopsy, providing both diagnostic and therapeutic care. He is committed to evidence-based, patient-centered care, emphasizing clear communication and collaborative treatment planning. Fluent in Korean, Dr. Hwang serves a diverse patient population and stays current with the latest advances in gastroenterology. Outside of medicine, he enjoys tennis, running, outdoor activities, and participates in short-term medical missions abroad, reflecting his dedication to service and community.

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In-network insurances

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Popular visit reasons

Abdominal Pain
Acid Reflux / Heartburn
Alcoholic Liver Disease
Barrett's Esophagus
Colon Cancer Screening
Colonoscopy
Gastroenterology Consultation
Hemorrhoids
Abdominal Pain
Acid Reflux / Heartburn
Alcoholic Liver Disease
Barrett's Esophagus

Office locations

United Medical Doctors (1 of 4)
1140 W La Veta Ave, Ste 555, Orange, CA 92868
United Medical Doctors (2 of 4)
12442 Limonite Ave, Ste 209, Eastvale, CA 91752
United Medical Doctors (3 of 4)
6958 Brockton Ave, Ste 203, Riverside, CA 92506
United Medical Doctors (4 of 4)
380 W Central Ave, Ste 310, Brea, CA 92821
1 of 4

Education and background

Practice names

Board certifications

  • Gastroenterology (American Board of Internal Medicine)
  • American Board of Internal Medicine

Education and training

  • Medical School - Drexel University College of Medicine, Doctor of Medicine
  • MountainView Hospital, Residency in Internal Medicine
  • MountainView Hospital, Fellowship in Gastroenterology

Languages spoken

  • English

Provider's gender

Male

NPI number

1659803146

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
5.00
Bedside manner
5.00
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Frequently asked questions

How soon can I make an appointment with Dr. James Hwang?

Generally, Dr. James Hwang has appointments available on Zocdoc within 1 week. You can see Dr. Hwang's earliest availability on Zocdoc and make an appointment online.

Is Dr. James Hwang accepting new patients?

Dr. James Hwang generally accepts new patients on Zocdoc. You can see Dr. Hwang's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. James Hwang accept my insurance?

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Can I make an appointment with Dr. James Hwang online?

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What practice does Dr. James Hwang work with?

Where is Dr. James Hwang's office located?

Dr. James Hwang has 4 office locations, including in Eastvale, Orange, Riverside, and Brea, view full addresses on Dr. Hwang's profile.

Which board certifications does Dr. James Hwang have?

Dr. James Hwang is certified by Gastroenterology (American Board of Internal Medicine) and American Board of Internal Medicine.

What are common reasons for patients to see Dr. James Hwang?

Dr. James Hwang frequently sees patients for Abdominal Pain, Colon Cancer Screening, Colonoscopy, Gastroenterology Consultation, and Hemorrhoids. You can see other visit reasons for Dr. James Hwang on their profile.

What languages does Dr. James Hwang speak?

Dr. James Hwang speaks English.

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