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

Vivian Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1689869570

Vivian Nguyen, MD is a Hospitalist in Westminster, California. Qualified in 2004, 22 years ago. Practices with Desert Valley Medical Group Inc, a 79-clinician group and accepts Medicare assignment. Licensed in California, Georgia and New York.

Years since qualifying
22
Licensed in
CA, GA, NY
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8419 Westminster Blvd
Westminster, CA 92683-3308
Phone: (714) 248-9558
Fax: (714) 248-9740
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A102097 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 249741 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence TL001670 (GA)

Record details

NPI number1689869570
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2007
Last updated in NPPESMay 18, 2023
Certification dateMay 18, 2023

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Desert Valley Medical Group Inc — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Westminster