Summary

Dr. Diane Nguyen is a gastroenterologist and internal medicine physician who earned her medical degree from the University of Texas Medical Branch at Galveston. With 19 years of experience in medicine, she brings extensive knowledge to the diagnosis and treatment of digestive system conditions. Dr. Nguyen is fluent in English and provides comprehensive care for patients with gastrointestinal concerns.

She practices at multiple locations throughout Dallas, Texas, including affiliations with Parkland Memorial Hospital, Texas Health Dallas, and William P. Clements Jr. University Hospital. Dr. Nguyen specializes in treating conditions such as colon polyps and hemorrhoids, along with managing upper gastrointestinal bleeding. Her expertise includes performing colonoscopy and upper gastrointestinal endoscopy procedures to help diagnose and treat digestive health issues. Patients have given her an average rating of 3.3 stars.

Overview based on verified provider data

Quick Facts

  • 3.3
  • 19 years of experience
  • speaks English
  • University Of Texas Medical Branch At Galveston
  • 2 written reviews
  • 2 specialties
  • 15 areas of expertise
  • 4 hospital affiliations
  • 5 office locations
  • Female

Office Locations

Dr. Diane Duyen Thuy Nguyen has 5 locations

Ut Southwestern Medical Center

5323 Harry Hines BlvdDallas, TX 75390

Ut Southwestern Zale Lipshy Pavilion William P Clements Jr University Hospital

5151 Harry Hines BlvdDallas, TX 75235

William P Clements Jr University Hospital

6201 Harry Hines BlvdDallas, TX 75235

Dr. Diane Duyen Thuy Nguyen

5323 Harry Hines Blvdstop 9257Dallas, TX 75390

Texas Health Dallas

8200 Walnut Hill LnDallas, TX 75231

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Dr. Diane Duyen Thuy Nguyen, MD
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Dr. Diane Duyen Thuy Nguyen, MDDr. Neville Fernandes, MDDr. Gregory Brennan, MDDr. Annette Whitney, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.3 
4.5 
3.5 
19 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Dallas , TXDallas , TXMansfield , TXProsper , TX
Med School: University Of Texas Medical Branch At Galveston Med School: University of Zimbabwe Med School: Tufts University School of Medicine Med School: University of Texas Health Science Center
Current Profile
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Insurance Plans Accepted by Dr. Diane Duyen Thuy Nguyen

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Diane Duyen Thuy Nguyen has the following 2 specialties

Specialty Expertise

Dr. Diane Duyen Thuy Nguyen has the following 15 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Acute Myeloid Leukemia
  • Cancer
  • Celiac Disease
  • Chronic Myeloid Leukemia
  • Colonoscopy
  • Constipation
  • Deep Vein Thrombosis
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Leukemia
  • Ulcerative Colitis

Certifications, License, & Education

19 Years Experience

Dr. Diane Duyen Thuy Nguyen holds an expired medical license in the state of Texas.

Medical License

Medical Doctor with an expired medical license in the state of Texas that expired in 2026.

Education & Training

Medical School

Graduated from University Of Texas Medical Branch At Galveston in 2007.

NPI Number

Dr. Nguyen's NPI number is 1629278163.

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Frequently Asked Questions

Where is Dr. Diane Nguyen's office located?
Dr. Diane Nguyen's office is located at 5323 Harry Hines Blvd, Dallas, TX, 75390.
Is Dr. Diane Nguyen accepting new patients?
Dr. Diane Nguyen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Diane Nguyen?
You can find contact information for Dr. Diane Nguyen here on Vitals.
Does Dr. Diane Nguyen accept virtual/telehealth appointments?
Dr. Diane Nguyen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Diane Nguyen accept my insurance?
You can see the insurance plans that Dr. Diane Nguyen accepts on their Vitals profile.

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