Dr. Thieu Nguyen, MD
Dr. Thieu Nguyen, MD, is a board-certified Adult Congenital Heart Disease Specialist and Cardiologist fluent in English, Spanish, and Vietnamese. He offers specialized cardiac care services with in-person consultations at his Houston location, accepting major insurance plans, including Medicare and UnitedHealthcare. Dr. Nguyen is currently accepting new patients and is affiliated with a Castle Connolly Top Hospital.
Book an Appointment with Dr. Thieu Nguyen, MD
Connect with Dr. Thieu Nguyen, MD, a verified Medical Specialist on DoctiPlus. Book a secure video consultation from home or schedule an in-clinic visit — fast, flexible, and instantly confirmed.
About Dr. Nguyen
Dr. Thieu Nguyen, MD, is a board-certified Adult Congenital Heart Disease Specialist and Cardiologist practicing in Houston, TX. He specializes in the care and management of adults with congenital heart disease (ACHD), leveraging his thorough understanding of cardiac anatomy, physiology, surgical repairs, and potential long-term complications associated with congenital heart disease. Dr. Nguyen is specially trained to navigate the complexities of ACHD and effectively manages patients who may also experience acquired heart conditions, including heart failure, arrhythmias, and pulmonary hypertension.
Dr. Nguyen graduated from Texas Tech University Health Sciences Center School of Medicine and completed his residency at University of Texas Medical School in San Antonio (Cardiovascular Diseases) and University of Texas Medical School at Houston (Internal Medicine). He is board certified by the American Board of Internal Medicine. Dr. Nguyen is fluent in English, Spanish, and Vietnamese, enabling him to serve a diverse patient population.
Dr. Nguyen is currently accepting new patients and his practice accepts major insurance plans, including Medicare, UnitedHealthcare, and many others. He is affiliated with Memorial Hermann Greater Heights Hospital, a Castle Connolly Top Hospital. To schedule an appointment or confirm insurance options, please contact Dr. Nguyen’s office at (713) 272-9022.
Education & Training
Medical Degree: Texas Tech University Health Sciences Center School of Medicine
Other Degree: University of Texas Medical School at Houston, Houston TX
Residency:
- University of Texas Medical School – San Antonio, Cardiovascular Diseases
- University of Texas Medical School at Houston, Internal Medicine
- Texas Tech University (Amarillo) Health Sciences Center Program
Dr. Nguyen’s comprehensive training at prestigious Texas medical institutions has equipped him with specialized expertise in adult congenital heart disease and cardiology.
Board Certifications
- American Board of Internal Medicine
Languages
- English
- Spanish
- Vietnamese
Medical Conditions Treated
Dr. Nguyen diagnoses and treats a wide range of cardiac conditions, including:
- Arrhythmia
- Atherosclerosis
- Atrial Fibrillation
- Carotid Stenosis
- Coronary Heart Disease
- Endocarditis
- Heart Attack
- Heart Disease
- Congenital Heart Disease
- Heart Failure
- Pulmonary Hypertension
- Valvular Heart Disease
- Cardiomyopathy
Please contact Dr. Nguyen’s office for more information or to schedule a consultation.
Medical Procedures Performed
Dr. Nguyen performs a variety of specialized cardiac procedures, including:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
- Cardiac Catheterization
- Echocardiography
- Stress Testing
- Heart Rhythm Management
For detailed information about specific procedures, please contact Dr. Nguyen’s office.
Insurances Accepted
Dr. Nguyen’s practice accepts the following major insurance providers:
- All Other Third Party
- Community Health Choice
- CVS Health (formerly Aetna)
- Express Scripts
- Health Care Service Corporation (HCSC)
- Integranet Health
- Medicare
- Memorial Hermann
- Other Health Care Provider
- UnitedHealthcare
For a complete list of accepted insurances, please contact Dr. Nguyen’s office.
Locations
Dr. Thieu Nguyen offers appointments at the following location:
Location: 7500 Beechnut St Ste 291 Houston, TX 77074 Phone: (713) 272-9022 [Get Directions]
Hospital Affiliations
Dr. Nguyen is affiliated with:
- Memorial Hermann Greater Heights Hospital, Houston, TX – Castle Connolly Top Hospital
This affiliation with a Castle Connolly Top Hospital demonstrates Dr. Nguyen’s commitment to providing the highest quality care. Castle Connolly Top Hospitals are recognized for excellence in specific medical procedures and overall patient care, representing the top 25% of hospitals nationwide.
Frequently Asked Questions
1. What is Dr. Thieu Nguyen’s specialty? Dr. Nguyen is an Adult Congenital Heart Disease Specialist and Cardiologist focusing on the care and management of adults with congenital heart disease. He has a thorough understanding of cardiac anatomy, physiology, surgical repairs, and long-term complications associated with congenital heart disease. He also manages acquired heart conditions including heart failure, arrhythmias, and pulmonary hypertension.
2. Is Dr. Thieu Nguyen accepting new patients? Yes, Dr. Thieu Nguyen is accepting new patients.
3. Does Dr. Thieu Nguyen offer online booking? Please contact Dr. Nguyen’s office at (713) 272-9022 for information about online booking and scheduling assistance.
4. Does Dr. Thieu Nguyen offer telehealth appointments? Please contact Dr. Nguyen’s office at (713) 272-9022 for information regarding telehealth appointment availability.
5. Which language(s) does Dr. Thieu Nguyen speak? Dr. Thieu Nguyen speaks English, Spanish, and Vietnamese.
6. Which board certifications does Dr. Thieu Nguyen have? Dr. Thieu Nguyen is certified by the American Board of Internal Medicine.
7. Is Dr. Thieu Nguyen affiliated with a Castle Connolly Top Hospital? Yes, Dr. Nguyen is affiliated with Memorial Hermann Greater Heights Hospital, which is a Castle Connolly Top Hospital recognized for excellence in medical procedures and patient care.
Contact Doctiplus
Have questions about our healthcare services? Need support with your account? Our team is here to help you. Reach out through any of the channels below.
Email Us
For general inquiries and support
doctipluss@gmail.comResponse Time: Within 24 hours
Support Hours: 24/7 for urgent medical queries
Call Us
For immediate assistance
+1 138 483 823Available: Monday - Friday, 8 AM - 8 PM
Emergency: After hours medical support available
Visit Us
Our headquarters in Mexico City
Uxmal 319-345
Narvarte Poniente
Benito JuĂ¡rez
03020 Ciudad de México
CDMX, Mexico
Our Location
Find us easily in Mexico City's Narvarte neighborhood
Doctiplus Headquarters
Uxmal 319-345, Narvarte Poniente, Benito JuĂ¡rez
03020 Ciudad de México, CDMX, Mexico
Location Details
-
Business Hours:
Monday - Friday: 8:00 AM - 8:00 PM
Saturday: 9:00 AM - 2:00 PM
Sunday: Emergency only
-
Parking:
Street parking available
Nearby parking lots within 200m
-
Public Transport:
Metro: Nativitas (Line 2) - 10 min walk
MetrobĂºs: Eje 4 Sur - 5 min walk
-
Accessibility:
Wheelchair accessible entrance
Elevator available
Connect With Us
Follow Doctiplus on social media for updates, health tips, and community
Send us a Message
Fill out the form below and we'll get back to you as soon as possible
Frequently Asked Questions
Quick answers to common contact questions
What are your response times?
Email responses within 24 hours, phone calls answered immediately during business hours. Urgent medical queries get priority response.
Can I visit your office?
Yes, our headquarters at Uxmal 319-345 is open for appointments. Please schedule a visit in advance through our contact form.
Do you provide support in multiple languages?
Yes, we offer support in Spanish and English. Medical consultations available in multiple languages through our platform.
What support channels are available?
Email, phone, live chat (business hours), social media DMs, and in-person appointments at our Mexico City office.

Reviews
There are no reviews yet.