Dr. James J. Lee, MD | Orange, CA | Gastroenterology

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Dr. James Lee is a gastroenterologist with 36 years of experience treating digestive system disorders and related conditions. They completed medical school at St Louis University School of Medicine, building a strong foundation in internal medicine before specializing in gastroenterology. Dr. Lee provides care in English to patients throughout the Orange County area.

Dr. Lee practices at Saint Joseph Hospital Orange and sees patients in Orange, California. They specialize in treating colon polyps, GERD, and diverticular disease. Their expertise includes performing colonoscopies, lower GI endoscopy, and pathology tests to diagnose and monitor digestive health conditions. Patients have given Dr. Lee an average rating of 4.2 out of 5 stars.

AI-generated from data on this provider profile.

accepting new patients
4.2

48 Ratings
36 years of experience
91 insurance plans accepted
speaks English
St Louis University School Of Medicine
32 written reviews
1 award
1 specialty
10 areas of expertise
1 board certification
1 hospital affiliation
1 office location

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Lee's Ratings and Reviews

4.2

48 Ratings with 32 written Reviews

Average Wait Time 13 Minutes

How was your appointment with
Dr. Lee?

Patients’ Perspective

Gave an accurate diagnosis: (28) Did WellNeeds Improvement (3)
Had a good bedside manner: (27) Did WellNeeds Improvement (4)
Spent time with me: (26) Did WellNeeds Improvement (4)
Provided follow-up after the visit: (22) Did WellNeeds Improvement (4)
Flexible scheduling: (21) Did WellNeeds Improvement (3)
Saw me in a timely manner: (3) Did WellNeeds Improvement (0)
Staff was courteous: (3) Did WellNeeds Improvement (0)

Patients appreciate Dr. James J. Lee for his kindness, professionalism, and comprehensive communication, making them feel comfortable and valued. His thorough explanations, compassionate demeanor, and excellent bedside manner are frequently highlighted, with many patients expressing confidence in his knowledge and care. On the negative side, some patients report feeling rushed during appointments and express concerns about not receiving a clear or comprehensive diagnosis. These experiences suggest room for improvement in ensuring all patients feel adequately heard and informed during their visits.

AI-generated from the text of patient reviews

48 ratings & reviews

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Showing 1 to 10 of 32 reviews

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I felt like our appointment often gets very rushed where I feel like I have to speak very quickly just to get my point across. With my previous appointment with him, it didn’t seem like he knew what I had and I started to ask him questions but he kept saying “I think you do” when I feel like that’s not really ethical of him because he should give me proper diagnosis. I feel like I had to dig any kind of information out of him. Also, he didn’t even ask me or give me information about the parasite test.

May 12th, 2026

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I have been seeing Dr Lee now for about 2 years i absolutely love how kind he is how he is very patient in explaining things and procedures that are gonna be done if he Was a primary doctor how I would choose him in a heart beat he is Very compassionate and understands how is patience are feeling He is one of the best doctors i have seen in the the last 2 years thank you Dr Lee for being such a caring Doctor it's nice to still see that always taking your time to see ur patients and explaining things to them when there concerned.

April 16th, 2026

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It was my first time meeting Dr Lee. He was very professional and on top of what needed to be done. I’m am very hopeful and excited to continue working with him.

April 7th, 2026

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I’m at Doctor Lee for my colonoscopy and he was referred to me for other issues. Actually, I picked him because I did like him for my colonoscopy. He has great bedside manners and he thoroughly explains what my issues are and then I love how he does his follow ups.

April 6th, 2026

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I have been a patient of Dr. Lee for several years. He is always understanding and explains everything. He also takes my unique medical needs into consideration as well, makes me feel at ease.

April 6th, 2026

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Was very nice and explained how my next appointment is going and what he will be doing

January 19th, 2026

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Dr Lee is excellent - explains things well and I would recommend him highly

January 15th, 2026

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One of the Best Physicians I have ever had. He’s knowledgeable, compassionate and extremely friendly. I highly recommend Dr Lee to anyone needing a Gastroenterologist.

December 16th, 2025

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Dr. Lee was very helpful, informative, and listened to me. He made me feel very comfortable and I enjoyed the experience.

December 3rd, 2025

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Very easy phone consultation. He was prompt and made it very easy.

October 16th, 2025

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Unio Specialty Care - Gastroenterology

1010 W La Veta Ave Ste 570Orange, CA 92868

Tel: (657) 247-0964


Dr. James J. Lee, MD	Ji Soo Choi, APRN	Jan Seiler, APRN	Rachel Oliver, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.2 (48 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
36 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Orange , CA	SACRAMENTO , CA	Montgomery , AL	SACRAMENTO , CA
Med School: St Louis University School Of Medicine	Med School: New York University	Med School: Georgia State University	Med School: University of South Alabama
Current Profile	View Profile	View Profile	View Profile

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Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colonoscopy
Constipation
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis

MEDICAL LICENSE

Medical Doctor, California, 2027, Active

EDUCATION & TRAINING

Medical School

St Louis University School Of MedicineGraduated in 1990

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Which hospitals is Dr. James Lee affiliated with?: Dr. James Lee is affiliated with Saint Joseph Hospital Orange.
Where is Dr. James Lee's office located?: Dr. James Lee's office is located at 1010 W La Veta Ave Ste 570, Orange, CA, 92868.
How can I make an appointment with Dr. James Lee?: You can find contact information for Dr. James Lee here on Vitals.
What languages does Dr. James Lee speak?: Dr. James Lee speaks English.
Does Dr. James Lee accept my insurance?: You can see the insurance plans that Dr. James Lee accepts on their Vitals profile.

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