
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
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 Employee Health Plan / Incentive Health
- Aetna
- Blue Cross
- Blue Cross Medi-cal
- Blue Shield
- Cigna
- Coventry
- Galaxy
- Gold Coast
- Health Net
- Health Smart
- Lakeside
- Medi-cal ORP1
- Medicare
- MultiPlan
- Networks By Design
- Premier Physicians Alliance IPA
- Regal Medical Group
- Tricare
- Triwest1
- UHC
- Western Growers
Ratings & Reviews
4.9 out of 5
460 ratings, 59 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 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!!
- 5 out of 5 starsReviewed on 6/10/2025
Always listens to my comments and builds on them and adds to them so that I can understand
- 5 out of 5 starsReviewed on 5/23/2025
I have great confidence in Him.
- 5 out of 5 starsReviewed on 5/12/2025
Dr Nguyen listens and takes to explain everything. I always feel better after I have talked to him.
- 5 out of 5 starsReviewed on 5/7/2025
Very knowledgeable practitioner with a positive outlook on treatment.
- 5 out of 5 starsReviewed on 4/25/2025
Treated very well. They are the best
- 5 out of 5 starsReviewed on 4/21/2025
Dr. Nguyen is absolutely the best. As busy as he is, he takes TIME to LISTEN and doesn't rush you. He answers any questions or concerns I have . Also he is so friendly and kind. I LOVE my cardiologist!!!
- 5 out of 5 starsReviewed on 4/20/2025
Dr is committed to my overall health. 5 Stars
- 5 out of 5 starsReviewed on 4/16/2025
The doctor took the time to listen and explained everything