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John J. Lah, MD | United Gastroenterologists

4.5

About this business

United Medical Doctors is proud to be southern California’s premier independent multi-specialty offering unparalleled medical and surgical care. Dr. Lah is hard working, conscientious, and committed to providing high quality, compassionate care. He remains up to date with most recent advances in gastroenterology and will be actively involved with clinical research related to exciting new medications and diagnostics technologies. Dr. Lah completed his GI fellowship at UC Irvine where he developed his interventional endo... read more

Location details

3851 Katella Ave SUITE 205, Los Alamitos, CA 90720, Los Alamitos, CA, 90720, United States

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WeekdayScheduleStatus
Mon9:00 a.m. to 5:00 p.m.
Tue9:00 a.m. to 5:00 p.m.
Wed9:00 a.m. to 5:00 a.m.
Thu9:00 a.m. to 5:00 p.m.
Fri9:00 a.m. to 5:00 p.m.
SatClosed
SunClosed
4.548 reviews
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Paul Reinhardt's profile image
Paul Reinhardt 
on Google
3 weeks ago
Henry Cardenas D.C.'s profile image
Henry Cardenas D.C. 
on Google
a month ago

The whole process and procedure was straightforward and simple. The staff was amazing. They were friendly and professional. I hope they are there in 10 years when I return. 

Tera Agee's profile image
Tera Agee 
on Google
a month ago

Fast and friendly service. 

Stan Smith's profile image
Stan Smith 
on Google
a month ago

Excellent care from the Doctor and his staff. 

Tamara LeBlanc's profile image
Tamara LeBlanc 
on Google
a month ago

I was already very concerned about my health and the surgery, but all the staff was wonderful from the receptionist to the nurses to the doctor himself. I couldn’t been treated any better. 

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Frequently asked questions about John J. Lah, MD | United Gastroenterologists

How is John J. Lah, MD | United Gastroenterologists rated?

John J. Lah, MD | United Gastroenterologists has a 4.5 star rating with 48 reviews. 

When is John J. Lah, MD | United Gastroenterologists open?

John J. Lah, MD | United Gastroenterologists is open now. It will close at 5:00 p.m.  

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