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NINA X TRINH M.D.
NPI 1811915333
Internal Medicine - Rheumatology in La Palma, CA

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
5451 LA PALMA AVE, SUITE 25, LA PALMA, CA 90623(714) 670-1340(714) 443-3780 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, Dec 3, 2021 (2 updates tracked since 2021).

About Nina X Trinh M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NINA X TRINH M.D. (NPI 1811915333) is an individual rheumatology provider in La Palma, California, licensed in California (A64931) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Hahneman Medical College Of The Pacific (1996).

NPPES Registry Identity

NPI1811915333
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameNINA X TRINHCredential: M.D.
Location Address5451 LA PALMA AVE, SUITE 25La Palma, CA 90623-1728
Mailing Address5451 La Palma Ave, Suite 25La Palma, CA 90623-1728 · (714) 670-1340 · Fax (714) 443-3780
Phone(714) 670-1340
Fax(714) 443-3780
Sole ProprietorNo
Medical School CMSHahneman Medical College Of The PacificGraduated 1996
Enumeration DateJuly 17, 2006
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
✔ NPI 1811915333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A64931
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License A64931 (CA)
5451 LA PALMA AVE, La Palma, CA 90623
Open in Google Maps ↗

Other Identifiers 3

OtherDA5312CA · Railroad Medicare
OtherA64931CA · State License Number
Medicaid00A649310CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nina X Trinh M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375574635
PECOS Enrollment IDI20050825000983
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANDY LEE DO
Internal Medicine (Rheumatology)
5451 LA PALMA AVE
LA PALMA, CA 90623
Orange County (714) 670-1340
DR. MARK SCHEIER MD.
Family Medicine
5451 LA PALMA AVE, STE 22
LA PALMA, CA 90623
Orange County (714) 228-1446
TERRISA SUN MI HA
Family Medicine
5451 LA PALMA AVE, SUITE 49
LA PALMA, CA 90623
Orange County (714) 736-9918
GERALD Y. HO M.D.
Internal Medicine (Rheumatology)
5451 LA PALMA AVE, SUITE 25
LA PALMA, CA 90623
Orange County (714) 670-1340
LA PALMA DIALYSIS CENTER LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
5451 LA PALMA AVE, SUITE 35
LA PALMA, CA 90623
Orange County (714) 523-5970
DR. SANG BAK YOO M.D.
Obstetrics & Gynecology
5451 LA PALMA AVE, SUITE 48
LA PALMA, CA 90623
Orange County (714) 523-8556
BEHROOZ AHMADI, M.D A PROF CORP
Specialist
5451 LA PALMA AVE, #34
LA PALMA, CA 90623
Orange County (714) 739-5816
AADISAI MEDICAL GROUP INC
Family Medicine
5451 LA PALMA AVE, SUITE 43
LA PALMA, CA 90623
Orange County (714) 523-0000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nina Trinh's NPI number?

The NPI number for Nina Trinh is 1811915333. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Nina Trinh located?

Nina Trinh practices at 5451 La Palma Ave Suite 25, La Palma, CA 90623. The listed phone number is (714) 670-1340.

What is Nina Trinh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Nina Trinh enrolled in Medicare?

Yes. Nina Trinh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Nina Trinh was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.