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Nina X. Trinh, M.D.

NPI 1811915333ActiveIndividual· Internal Medicine, Rheumatology· La Palma, CA

Internal Medicine, Rheumatology (M.D.) in La Palma, California, trained at Hahneman Medical College of the Pacific (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,736,018 for 2,221 claims, against $1,323 paid for services in 2024.

Overview

NPI1811915333
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 17, 2006
Last updated in NPPESMar 7, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500XA64931CA
Internal Medicine207R00000XA64931CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Rheumatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients12
Services billed24 across 7 procedure codes
Paid by Medicare$1,323

Part D prescriptions in 2024

Prescriptions (claims)2,221 · 4,828 30-day fills
Patients497
Total drug cost$1,736,018
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Medical schoolHahneman Medical College of the Pacific
Graduation year1996
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine, Rheumatology providers in La Palma

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