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

Theodore Thien Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1104484781

Theodore Thien Nguyen, MD is a Hospitalist in Loma Linda, California. Graduated from Loma Linda University School of Medicine in 2019, 7 years ago. Practices with Faculty Physicians and Surgeons of Llusm, a 1,308-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2019
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

11234 Anderson St # MC-1516
Loma Linda, CA 92354-2804
Phone: (909) 558-4884
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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 A178744 (CA)

Record details

NPI number1104484781
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 30, 2019
Last updated in NPPESAugust 3, 2022
Certification dateAugust 3, 2022

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Faculty Physicians And Surgeons Of Llusm — 1308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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