
Thanh T Nguyen, DO
Interventional Cardiology
Highlights
Age Groups Seen
- Adult 21-65
- Older Adult >65
Languages
- Vietnamese
- English
Gender
MaleLocations
- Cardiology: Adventist Health Physicians Network
- 124 Macaw Lane, Simi Valley, CA 93065
- Get Directions
- phone: 805-306-0304
- 2750 Sycamore Drive, Suite 209, Simi Valley, CA 93065
- Get Directions
- phone: 805-306-0304
Expertise
Education
- Medical School: Western University of Health Sciences
- Residency Program: University of California Davis
- Fellowship Program: William Beaumont Hospital
- Internship Program: Cleveland Clinic Foundation
Board Certifications
- Interventional Cardiology: American Board of Internal Medicine, 2002
Insurance
- Adventist Health Care Network, Inc IPA
- Adventist Health Care Network, Inc IPA
- Adventist Health Employee Health Plan / Incentive Health
- Aetna
- Blue Cross
- Blue Cross Medi-cal
- Blue Shield
- Cigna
- Coventry
- Galaxy
- Health Net
- Health Smart
- HealthNet
- HealthSmart
- Medi-cal/PAVE
- MultiPlan
- Networks By Design
- Premier Physicians Alliance IPA
- Tricare
- Triwest
- UHC
- Ventura County Health Care Plan
- Western Growers
Ratings & Reviews
4.9 out of 5
462 ratings, 67 reviewsOur providers are at the heart of delivering whole-person care. We encourage patients to share their experiences through a patient satisfaction survey they receive following visits. Provider star ratings are calculated using patient responses to provider-focused questions in this survey. Please see the provider’s star rating and patient reviews below. Thank you for giving Adventist Health the opportunity to support your best health.
- 5 out of 5 starsReviewed on 5/28/2026
I would highly recommend this doctor and office.
- 5 out of 5 starsReviewed on 5/21/2026
NP was very informative
- 4 out of 5 starsReviewed on 5/17/2026
Speaks fast. Had to ask to repeat, but slower
- 5 out of 5 starsReviewed on 5/16/2026
Dr. Nguyen diligently and patiently listens and explains issues/questions/and conditions we have when we come for our appointments. He always gives us encouragement and top notch useful advice to incorporate into our daily lives. He has helped us over the years to make positive changes to our lifestyle that will make a difference as we age.
- 5 out of 5 starsReviewed on 5/8/2026
Dr Nguyen is a very good doctor. He listens and he is very thorough.
- 5 out of 5 starsReviewed on 5/8/2026
The doctor is always attentive and listens.
- 5 out of 5 starsReviewed on 5/4/2026
Dr. Nguyen always listens to my concerns and questions and responds with compassion and knowledge.
- 5 out of 5 starsReviewed on 5/1/2026
Listened to you and asks you for questions or input
- 5 out of 5 starsReviewed on 4/30/2026
Very good experience. Dr answered all our questions and explained things very easily for us to understand
- 5 out of 5 starsReviewed on 4/25/2026
He Is a doctor with great bedside manners and displayed genuine concern for me as his patient.
- 5 out of 5 starsReviewed on 4/21/2026
Wonderful.so sweet!
- 5 out of 5 starsReviewed on 4/21/2026
I very much highly recommend Dr Nguyen for your cardio care.
- 4 out of 5 starsReviewed on 4/11/2026
I really like this physician but I felt very rushed during my time with him
- 5 out of 5 starsReviewed on 4/7/2026
Dr. Nguyen is courteous and always professional.
- 5 out of 5 starsReviewed on 4/7/2026
The doctor always listens and answers questions in a clear and informative manner.
- 5 out of 5 starsReviewed on 4/7/2026
I highly recommend Dr Nguyen
- 5 out of 5 starsReviewed on 3/23/2026
Presented us with choices, so we could make decision
- 4 out of 5 starsReviewed on 3/20/2026
I like Dr. Nguyen and travel just to see him but making an appointment is difficult.
- 5 out of 5 starsReviewed on 3/18/2026
Good atention all the time
- 5 out of 5 starsReviewed on 3/13/2026
Dr Nguyen spent a considerable amount of time with me not only explaining to be me and my wife about my medical condition, but answered all questions in detail and even drew a picture to illustrate what he was trying to explain. He even gave me the drawing after our visit was complete.
- 5 out of 5 starsReviewed on 3/12/2026
Professional, clear, prompt, helpful
- 5 out of 5 starsReviewed on 3/10/2026
Good Listener
- 5 out of 5 starsReviewed on 3/10/2026
I like how Dr explained my lab work results.
- 5 out of 5 starsReviewed on 3/7/2026
I recommend to people all the time.
- 5 out of 5 starsReviewed on 3/5/2026
Dr. Nguyen exceeded in they way she cares fir her patients.
- 1 out of 5 starsReviewed on 3/3/2026
Doc didn't spend time with me
- 5 out of 5 starsReviewed on 2/14/2026
I Love Dr When he is great
- 5 out of 5 starsReviewed on 2/5/2026
Very attentive and engaging. The doctor was very professional and my input was well recieved
- 5 out of 5 starsReviewed on 2/2/2026
Dr. Nguyen is an extremely knowledgeable and compassionate doctor who addresses the needs and concerns of the patient with a thorough and easy to understand explanation.
- 5 out of 5 starsReviewed on 1/30/2026
Dr Nguyen is awesome. He listens and gives advise. Very caring and kind
- 5 out of 5 starsReviewed on 1/30/2026
Great Doctor
- 5 out of 5 starsReviewed on 1/28/2026
Wonderful Dr.
- 5 out of 5 starsReviewed on 1/22/2026
Listened very well. Funny and joyful. Joked and joked back. Knew what I was talking about without saying much at all. As little as three words.
- 5 out of 5 starsReviewed on 1/16/2026
Very good listener
- 5 out of 5 starsReviewed on 1/6/2026
I highly recommend Dr. Nguyen, but going forward.
- 5 out of 5 starsReviewed on 12/23/2025
Dr. Nguyen is respectful. He listens to concerns and thoroughly explains the care he is prescribing. Excellent doctor with an amazing bedside manner.
- 5 out of 5 starsReviewed on 12/23/2025
I hope to stay with Dr. Nguyen for a long time. He has been with me since 2021 when I was in hospital, the wonderful Simi Adventist, where I worked at one time!! I'm an RN.
- 5 out of 5 starsReviewed on 12/23/2025
The doctor, I consider more like a friend, a very knowledgeable friend.
- 5 out of 5 starsReviewed on 12/23/2025
The doctor listened to all my concerns and questions and answer them all perfectly
- 5 out of 5 starsReviewed on 12/2/2025
Dr. Nguyen does listen to my comments and concerns. He is good about addressing those issues and providing confidence.
- 5 out of 5 starsReviewed on 11/25/2025
Dr Nguyen gave me all information from prior tests, but also stressed ways to live healthier during the remainder of my life
- 5 out of 5 starsReviewed on 11/12/2025
Dr. Nguyen is compassionate and always understanding.
- 5 out of 5 starsReviewed on 10/28/2025
The care provider, absolutely 100%.
- 5 out of 5 starsReviewed on 10/12/2025
I will and have have referred people.
- 5 out of 5 starsReviewed on 10/2/2025
Dr. Was very knowledgeable and involved me in all decisions, explaining everything in a way I could understand.
- 3 out of 5 starsReviewed on 9/15/2025
Dr. Nguyen is nice. My biggest complaint is he has always seemed rushed, I feel it inhibits patients from asking questions,
- 5 out of 5 starsReviewed on 9/12/2025
Very pleasant
- 5 out of 5 starsReviewed on 9/11/2025
I always refer this office to anyone looking for a good cardiologist.
- 5 out of 5 starsReviewed on 8/22/2025
Dr Nguyen always listens spends time and goes over everything.
- 5 out of 5 starsReviewed on 8/9/2025
He answered all questions completely.
- 5 out of 5 starsReviewed on 8/8/2025
Dr. Nguyen was wonderful. He gave me so much information I have never received from any other doctor. His explanations were thorough, detailed, and understandable. He was friendly, but professional. I truly felt he cares for each of his patients and wants the best for them.
- 5 out of 5 starsReviewed on 8/4/2025
My doctor and his are very good and answer all my guestions.
- 5 out of 5 starsReviewed on 8/1/2025
All my doctors are very good at what they do
- 5 out of 5 starsReviewed on 8/1/2025
My Dr. Was listening carefully about my explanation of my condition and I got good care. Thanks
- 5 out of 5 starsReviewed on 7/25/2025
Dr Nguyen- caring and professional
- 5 out of 5 starsReviewed on 7/15/2025
Again, professional, pleasant, patient, direct.
- 5 out of 5 starsReviewed on 7/14/2025
Dr. Nguyen was quick in assessing and explaining my issue.
- 5 out of 5 starsReviewed on 7/10/2025
Top-notch interaction.
- 5 out of 5 starsReviewed on 7/10/2025
Dr Nguyen has always been a great doctor, his information is extremely helpful and most importantly he's a great listener.
- 5 out of 5 starsReviewed on 7/3/2025
Dr. Nguyen was amazing!!! I felt like I left with being listened to and walked out with a plan :)
- 5 out of 5 starsReviewed on 7/1/2025
I recommend people I know to see Dr Nguyen for cardiac care.
- 5 out of 5 starsReviewed on 7/1/2025
Answer any question you have and takes the time with you
- 5 out of 5 starsReviewed on 7/1/2025
Dr. Nguyen is an excellent physician. He listens very well and explains everything very clearly.
- 5 out of 5 starsReviewed on 6/27/2025
I always feel he truly cares about his patients.
- 5 out of 5 starsReviewed on 6/26/2025
Dr Nguyen is, quite literally, a life saver.
- 4 out of 5 starsReviewed on 6/24/2025
Personnel doing screening, worked extremely well with people while doing testing..
- 5 out of 5 starsReviewed on 6/12/2025
He's the best!!