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PAUL TRUONG NGUYEN DENTIST
NPI 1174955488
Dentist - General Practice in Tustin, CA

Active since August 08, 2013PECOS Enrolled
661 W 1ST ST STE A, TUSTIN, CA 92780(714) 665-9890(714) 665-9891 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2020, Aug 9, 2018, Jun 27, 2016 (3 updates tracked since 2016).

About Paul Truong Nguyen Dentist NPPES

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

PAUL TRUONG NGUYEN DENTIST (NPI 1174955488) is an individual general practice provider in Tustin, California, licensed in California (DDS64255) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Anaheim.

NPPES Registry Identity

NPI1174955488
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NamePAUL TRUONG NGUYENCredential: DENTIST
Location Address661 W 1ST ST STE ATustin, CA 92780-2939
Mailing Address661 W 1st St Ste GTustin, CA 92780-2939 · (714) 665-9890 · Fax (714) 665-9891
Phone(714) 665-9890
Fax(714) 665-9891
Sole ProprietorYes
Enumeration DateAugust 8, 2013
Last NPPES UpdateOctober 22, 20253 updates tracked since enumeration
NPPES CertifiedOctober 22, 2025
✔ NPI 1174955488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
Licenses✔ Licensed in CA · DDS64255✔ Licensed in WA · DENT.DE.60668006✔ Licensed in AZ · D008816
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
661 W 1ST ST STE A, Tustin, CA 92780
Open in Google Maps ↗

Secondary Practice Location 1

Location 19918 Katella Ave Ste A-CAnaheim, CA 92804-6465 · Phone (714) 644-9494 · Fax (714) 644-9894

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Paul Truong Nguyen Dentist is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Paul Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Families Together Of Orange County
Same address
Clinic/Center
661 W 1ST ST, STE. G
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1194122457 (714) 665-9890

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 92780 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 4

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

DON Q VU DENTIST
Dentist
661 W 1ST ST STE A
TUSTIN, CA 92780
Orange County (714) 665-9890
VIVIAN TUONG LE DENTIST
Dentist
661 W 1ST ST STE A
TUSTIN, CA 92780
Orange County (714) 665-9890
PARVIN MAHDAD DENTIST
Dentist (General Practice)
661 W 1ST ST STE A
TUSTIN, CA 92780
Orange County (714) 665-9890
RINKAL BHARATKUMAR THAKKAR DENTIST
Dentist
661 W 1ST ST STE A
TUSTIN, CA 92780
Orange County (714) 665-9890

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 Paul Nguyen's NPI number?

The NPI number for Paul Nguyen is 1174955488. It was assigned to this individual provider in the NPPES registry on August 8, 2013.

Where is Paul Nguyen located?

Paul Nguyen practices at 661 W 1st St Ste A, Tustin, CA 92780. The listed phone number is (714) 665-9890.

What is Paul Nguyen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Paul Nguyen enrolled in Medicare?

Yes. Paul Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Paul Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paul Nguyen reassigns Medicare benefits to Families Together Of Orange County (Tustin, 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 Paul Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Paul Nguyen accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 4 other insurers list Paul Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Paul Nguyen was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.