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

Long Nguyen Thanh Duong, MD

Individual provider Family Medicine Physician · NPI 1538257241

Long Nguyen Thanh Duong, MD is a Family Practice in Santa Ana, California. Graduated from University of Southern California Keck School of Medicine in 1999, 27 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
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

2708 Westminster Ave Ste 110
Santa Ana, CA 92706-2192
Phone: (714) 554-7350
Fax: (714) 554-7481
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

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A74045 (CA)

Record details

NPI number1538257241
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 10, 2006
Last updated in NPPESAugust 2, 2022
Certification dateAugust 2, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Santa Ana