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

Nina X Trinh, MD

Individual provider Internal Medicine Physician · NPI 1811915333

Nina X Trinh, MD is a Rheumatology in LA Palma, California. Graduated from Hahneman Medical College of the Pacific in 1996, 30 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
Hahneman Medical College of the Pacific
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

5451 La Palma Ave Ste 25
LA Palma, CA 90623-1728
Phone: (714) 670-1340
Fax: (714) 443-3780
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A64931 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A64931 (CA)

Record details

NPI number1811915333
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHAHNEMAN MEDICAL COLLEGE OF THE PACIFIC
Graduated 1996 (30 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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