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

Dr. Robert Tri Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1780775718

Dr. Robert Tri Nguyen, MD is a Hospitalist in Oxnard, California. Qualified in 2001, 25 years ago. Practices with Inpatient Specialists of California PC, a 364-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2006
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

815 Cooper Rd
Oxnard, CA 93030
Phone: (805) 487-9892
Fax: (805) 487-7590
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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 A89952 (CA)

Record details

NPI number1780775718
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESJanuary 31, 2014
Mailing address2430 Woodcreek Rd, Camarillo, CA 93012-2536

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesGENERAL PRACTICE, INTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Inpatient Specialists Of California Pc — 364 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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