John Lah - PIH Health - Whittier, CA

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John J. Lah

John J. Lah, MD

4.8 / 5 (based on 414 Reviews) View 82 Comments

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12291 Washington Blvd #201
Whittier, California 90606
  • Main: 562.698.0306
  • Fax: 562.789.5458

Hospital/Group Affiliation

PIH Health Physicians

PIH Health Hospital - Whittier








University of California Medical Center (Irvine)


University of California Medical Center (Irvine)


New York Medical College - Valhalla


Gastroenterology (Sub-Spec Cert)

Internal Medicine (General Cert)


Patient Reviews

February 14, 2017
Felt very well taken care of.
February 14, 2017
This is the verry best hospital I ever been with !!I definetly will recomemed to all my family member and friends
February 13, 2017
Very Outstanding !!!
February 13, 2017
Great Provider the entire staff was awesome very professional
February 06, 2017
I appreciate his care about my health and also his recommendations moving forward, to improve my well being.
February 06, 2017
The PIH staff did everything they could to make me comfortable.
January 30, 2017
Dr. Lah is a great doctor, he knows is stuff.
January 30, 2017
Great facility very kind people
January 09, 2017
Everyone was very friendly and helpful.
January 09, 2017
No concerns whatsoever. Am pleased and very satisfied.
January 04, 2017
Dr. Lah has always been friendly and courteous. Very professional but not unapproachable. I was very scared with my medical condition when I was first introduced to him but he has always made me feel at ease and I feel I can ask him questions and he takes the time to think and answer them. I have already recommended him as a doctor to my friends and would do so anytime.
December 20, 2016
Yes. They need to have the male reception take anger training courses
December 19, 2016
La atencion del dr y de su equipo demasiado amables para sentirse tranquilo con todas su atenciones y cuidados muy profesionalGracias a todo el equipo
December 19, 2016
Thank you for a positive experience
December 15, 2016
Dr. Lau is very professional, knowledgeable, and demonstrated expertise in his field with current research info. Listens well, and I did not feel rushed through the follow-up appointment.
December 13, 2016
Great service
December 12, 2016
December 06, 2016
Everyone I dealt with was courteous and knowledgeable
December 06, 2016
Excellent Doctor. Explained everything, I felt like he genuinely cares about his patients and wants to help them get better.
December 05, 2016
It made an unpleasant but necessary procedure as good as possible.
November 29, 2016
The staff at Digestive Health Services on Washington is very nice and comforting, they do anything they can to make you feel relaxed and calm. They're very informative and they make sure you understand anything you need to know. They also make sure all your questions have been exhausted.
November 29, 2016
I've recommended Dr. Lah to a few people. He listens carefully and seems genuinely concerned about patient care. Dr. Lah, please don't ever lose that quality.
November 28, 2016
Great doctor. Excellent experience with this procedure.
November 15, 2016
Dr is very good. You can always go to him
November 15, 2016
Excellent doctor.
November 14, 2016
Go to Dr. Lah with confidence.
November 14, 2016
Tentative and sensitive to patient needs
November 14, 2016
great doctor, takes time to explain things and answer any questions you may have.
November 11, 2016
Excellent experience! They worked me in quickly and Dr. Lah is very caring and competent.
November 08, 2016
I was quite nervous about going through this procedure but Nurse Susan and Nurse Pat were very kind, caring, personable and calming which made my experience a good one.
November 07, 2016
Great service.
November 03, 2016
Dr Lah is great! He is caring and compassionate. Dr Lah took his time, listened to my concerns and answered all my questions.
October 27, 2016
Very easy to discuss concerns with. Great listener and very informative. He always makes sure I understand before leaving the room. Cheerful and kind.
October 24, 2016
everyone was nice, friendly and professional...I was very nervous at first...after talking and being attended to by everyone I felt at ease and relaxed.thanks to everyone who attended me.
October 11, 2016
I like that everyone in the office is friendly and helpful, things are explained in detail to make sure you understand what is happening with your procedure.
October 10, 2016
They ask you to be there by a certain time And if you are they take you right away and there's not a lot of waiting.
October 04, 2016
Very profession and convenient
September 29, 2016
Dr. John Lah is a young, friendly and excellent gastroenterologist!
September 26, 2016
The thing that impressed me most was the professionalism and caring attitude of the staff.The following people and their attitudes were outstanding.Grace Cheng (RN), Sergio DeLavira, Op. Rm. Tech, Susie Gutierrez, Debbie Lugibihl.
September 26, 2016
From the receptionist to the the gentleman that rolled me out to my car, the entire staff was warm kind professional and friendly. Even the nurse who initially called me with details for my pre procedure prep was so accommodating. She answered every question with such patience. This is not a procedure I looked forward too or would look forward to again but I could not imagine going anywhere else. Keep up the great work.
September 26, 2016
The Out Patient GI staff do a great job of taking care of the needs of their patients.
September 20, 2016
Caring, professional, knowledgeable, compassionate, attentive!
September 20, 2016
He a great doctor
September 19, 2016
Dr Lah is a professional and I truly appreciate the medical care he provides
September 19, 2016
I would recommend Dr. Lah for his expertise and quality of care!
August 31, 2016
Very pleasant and attentive to your medical issues!
August 24, 2016
He a great doctor I've went to another doctor and I didn't know what was going on with myself. Doctor Lah is amazing I understand everything he says that I have to do. ????
August 22, 2016
Had a great experience service was excellent
August 19, 2016
Dr. Lau is extremely knowledgeable and professional.
August 18, 2016
He listens, he knows my history, and he's easy to talk to
August 17, 2016
He was highly recommended by P.A. ANGEL DELGADILLO. I was not disappointed.
August 15, 2016
overall, the procedure was well done without incident.
August 10, 2016
I felt comfortable and that my best interest was considered.
August 09, 2016
Very professional and knoweledeable provider. I was extremely pleased.
August 08, 2016
Nurses are great and the staff is very helpful. Clean, professional, and well organized.
August 04, 2016
Dr. Lau is fabulous!
August 01, 2016
Would recommend this provider to friends and family
July 28, 2016
Great doctor
July 25, 2016
The staff was wonderful and caring. I have already recommended this center to my family and friends. Thank you to all the wonderful nurses, techs, front office staff, and to Dr. Lah for making a procedure known to evoke fear and avoidance, tolerable and less nerve-wracking!
July 18, 2016
That you will be thoroughly taken care of.
July 18, 2016
Great dr. Explained the procedure thirougly and let me know what to expect depending on the findings.
June 27, 2016
Just get it done. They make every thing easy. Very professional and efficient.
June 16, 2016
He's a very great doctor and knows what he does.
June 13, 2016
Doctor Lah is an excellent Doctor.
June 07, 2016
Dr. Lah has great bedside manners and he and his staff are very pleasant.
June 07, 2016
Efficient and thorough. Nice bedside manner too.
June 06, 2016
Ummm...I am trying to think of something wonderful to say about a Colonoscopy...Really?!! LoL
June 01, 2016
a professional
May 26, 2016
It was a good visit and I felt he opened up new areas of thought and consideration for an age old problem.
May 17, 2016
You need to go do Dr. Lah and team!!!!
May 14, 2016
Great care for this procedure
May 11, 2016
We recommend Dr. Lah and his office to all who ask for referrals in his speciality.
May 04, 2016
He is excellent, he spent time discussing my health concerns. He is very caring.
April 26, 2016
Dr Lah knows his speciality
April 14, 2016
April 13, 2016
April 12, 2016
Professional, and knowable Doctor. Staff members are the best. They make you feel like you matter. Not just another person to get through the door. I've been to many of those clinics. Thankfully PIH has no such attitude.
April 11, 2016
Go to PIH! I waited a year to change my provider so I could attend , what I think of as my hospital, PIH and their Doctors. Had my first child there 41 yrs ago.
March 24, 2016
Very good doctor
March 23, 2016
He was very personable and friendly. I immediately had confidence in him. His knowledge was impressive and I knew I would get the best care.
March 22, 2016
What a great staff you have at this facility. It was a good experience from start to finish. I know i won't remember everyones names but from the receptionist, to Ed the admitting nurse, Dr. Lah, Woo anesthesiologist, Sergio and Pam assisting nurses, everyone was polite and professional. Everything was explained to me, i was really at ease about the entire procedure. Thank You Very Much! Again you have a great staff there.
March 18, 2016
The doctor was caring and knowledgeable.