Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Diane Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1629278163

Diane Nguyen, MD is a Gastroenterology in Dallas, Texas. Qualified in 2007, 19 years ago. Practices with University of Texas Southwestern Medical Center at Dallas, a 3,149-clinician group and accepts Medicare assignment. Licensed in Michigan and Texas.

Years since qualifying
19
Licensed in
MI, TX
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5323 Harry Hines Blvd
Dallas, TX 75390-9257
Phone: (214) 648-3111
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence Q3068 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301096060 (MI)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 4301096060 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1629278163
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 23, 2007
Last updated in NPPESFebruary 14, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice University Of Texas Southwestern Medical Center At Dallas — 3149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Dallas