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NGUYEN TRINH
NPI 1790598456
Nurse Practitioner in Fountain Valley, CA

Active since January 28, 2025PECOS EnrolledAccepts Medicare Assignment
18111 BROOKHURST ST # 3100, FOUNTAIN VALLEY, CA 92708(714) 378-7390 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 29, 2026, Mar 11, 2026 (2 updates tracked since 2026).

About Nguyen Trinh NPPES

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

NGUYEN TRINH (NPI 1790598456) is an individual nurse practitioner in Fountain Valley, California, licensed in California (95033947) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1790598456
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameNGUYEN TRINH
Location Address18111 BROOKHURST ST # 3100Fountain Valley, CA 92708-6728
Mailing Address8522 Elmer LnGarden Grove, CA 92841-1043 · (805) 825-5471
Phone(714) 378-7390
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 28, 2025
Last NPPES UpdateApril 29, 20262 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1790598456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95033947
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
18111 BROOKHURST ST # 3100, Fountain Valley, CA 92708
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nguyen Trinh 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 ID7315422391
PECOS Enrollment IDI20260327001462
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.

Medicare Billing Reassignment

Medicare enrollment records show Nguyen Trinh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orange County Digestive Care Inc
0.1 mi
Gastroenterology
9900 TALBERT AVE, STE 100
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1699091074 (714) 378-7390

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

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 Nguyen Trinh's NPI number?

The NPI number for Nguyen Trinh is 1790598456. It was assigned to this individual provider in the NPPES registry on January 28, 2025.

Where is Nguyen Trinh located?

Nguyen Trinh practices at 18111 Brookhurst St # 3100, Fountain Valley, CA 92708. The listed phone number is (714) 378-7390.

What is Nguyen Trinh's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Nguyen Trinh enrolled in Medicare?

Yes. Nguyen 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.

Which organization bills Medicare for Nguyen Trinh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nguyen Trinh reassigns Medicare benefits to Orange County Digestive Care Inc (Fountain Valley, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nguyen Trinh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nguyen Trinh was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.