Oliver L Ong, MD

All good I'm comfortable with Dr. I trust him and will follow and his guidance and plan for m health I hope there's more like him

Very good listener

He's a good doctor - he listens and genuinely cares.

Dr. Ong is generous with his overall explanation to any questions. Bad? Not (me) thinking before asking the question. And being a recipient of a kind and informative reply is always what I found to be good about Dr. Ong.

Dr. Ong is a very good Dr. He makes me feel good and helps in my health improvements. God bless him more.

Dr Ong read the background paperwork and knew what my issue was. He listened carefully and made great eye contact. He also explained what was needed in language I could understand.

I would surely recommend Dr. Ong to friends and relatives if necessary. I've been seeing him for so many years and he has been so kind, supportive and helpful with me.

I feel confident. The medication he prescribed help me controll my diabetes with the hepl of avoiding carbs and junk food

Very good service

Very knowledgeable, helpful, best doctor.

Never rushed compassionate

Dr Ong took his time and explained my labs in detail. All good experience!

Dr. Ong always takes the time to explain why he is recommending a course of treatment. I know that he has a very busy schedule, but he always takes his time with me and I never feel that he is rushing off.

Their patient service is very good

In a lifetime of dealing with doctors for so many loved ones this by far was the most disinterested. He was just going through the motions

Dr. Ong is an exceptional doctor-kind, professional, and always attentive. Appointments run on time with no long waits. I highly recommend him

Great experience

I have never had a good experience with Dr Ong. He is very inpatient, hard to discuss issues with, makes you feel hurried and uncaring about issues

Dr.Ong is the best Endocrinologist Ever.

He always care for his patients

As always a very good experience from the doctor and nurse, very professional, attentive and caring.

Makes comfortable

Dr. Ong and his office staff were very professional and showed genuine caring.

Dr. Ong is thorough and thoughtful. He listens to his patients.

Questions are promptly answered

My care provider listened to my questions and concerns. We had a good conversation. I received great support.

Dr Ong is able to relate to your concerns and provide straight forward easy to understand responses.

Very congenial and attentive.

Dr. Ong is excellent

Dr. Ong has become one of my favorite doctors in a long list of medical providers. He takes his time explaining everything with genuine care and friendliness.

Dr Ong in Simi Valley is very knowledgeable and has a great bedside manner.

Always listens to what I'm saying

Dr. Ong is a pompous man & to me unlikeable

Dr.Ong and his asst were very helpful, but I'm apprehensive when it comes to my communication with him. I agreed to a decision that I regret.

Seem to be very concerned about issue and find history

From intake to exit Dr ong was at my side answering and helping me with every aspect of my post surgery journey. Couldnt be more stoked that he's my guide

You are fortunate that Dr Ong is working for you

He always explains very clearly.

Dr. Ong is a great Doctor. He is kind, and really takes the time to listen.

Dr Ong and I talked about a different approach to a medication I am using.

Dr Ong shows concerns to his patients. He explains fully well the answers to my questions .

Dr. Ong is exceptionally caring. He is one of the few doctors I see that listens carefully and explains everything to me clearly. He is by far the best doctor I've ever seen and I've seen quite a few.

I really like Dr. Ong, he explains things in a way that I fully understand and gives me options.

Doctor Ong is always very attentive and explains everything in detail. He is compassionate and shows he cares. He also makes sure to cater what needs to be done for you in order to improve your health.

The whole family wants the same Doctor.

Dr. Ong gives a thorough explanation of all lab results. He is direct, no nonsense but is understanding.

Dr Ong was amazing and answered everything I needed and then some

Attentive and caring.

The physician was very attentive. He listened to my questions and even asked me a lot of questions. I really felt seen and heard.

Dr. Ong is exceptional doctor.

Felt like he was in a hurry, was going to be late for his next appointment

Very thorough

Dr Ong is always very nice and professional

He listened and heard, gave recommendations, and didn't judge

I felt at ease talking with the doctor.

Dr Ong is caring and answered my questions. He gave explanation of my symptoms and clearly explained what course of action he recommended

Took the time to know me and explain my condition and the next steps necessary.

Dr. Ong's style is short and sweet and bottom line. However his answers to my questions or his explanations are thorough and comprehensive. The doctor's answers or questions are expressed at a rapid clip. The doctor is very mindful/really listens and is efficient when he speaks.

EXCELLENT Experience

Excellent communication and care by Dr.

Dr Ong is an excellent provider.

Dr. Ong is thorough

Very caring & adamant to get on track

All good experience :)

I've been very satisfied with the doctor. He's very acknowledge and he knows what he's doing. Thank you.

Dr. Ong always checked my feet, heart, breathing and discussed my lab.results and what he's concerned about the next visit.

Very attentive

Dr Ong always 5 stars!!!!

Highly recommended

Dr Ong is a breath of fresh air, he listens well and responds clearly to all questions.

Dr. Ong is the best doctor I've ever had.

I have recommended Dr. Ong. He is both knowledgeable and cognizant of people's behaviors. Like a tough professor.