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DR. LLOYD TRIEU DDS
NPI 1922297183
Dentist - General Practice in Rancho Cucamonga, CA

Active since October 23, 2007PECOS Enrolled
6136 WALNUT GROVE CT, RANCHO CUCAMONGA, CA 91739(909) 646-7643(909) 646-7643 Get Directions Write a Review

NPPES record last updated: October 23, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Lloyd Trieu Dds NPPES

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

DR. LLOYD TRIEU DDS (NPI 1922297183) is an individual general practice provider in Rancho Cucamonga, California, licensed in California (54701) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922297183
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. LLOYD TRIEUCredential: DDS
Location Address6136 WALNUT GROVE CTRancho Cucamonga, CA 91739-2267
Mailing Address6136 Walnut Grove CtRancho Cucamonga, CA 91739-2267 · (909) 646-7643 · Fax (909) 646-7643
Phone(909) 646-7643
Fax(909) 646-7643
Sole ProprietorYes
Enumeration DateOctober 23, 2007
✔ NPI 1922297183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CA · 54701
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.
6136 WALNUT GROVE CT, Rancho Cucamonga, CA 91739
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Accepted Insurance

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

Dr. Lloyd Trieu Dds 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 Lloyd Trieu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trieu & Kang Professional Dental Corp
43 mi
Dentist
38024 47TH STREET, SUITE H
Palmdale, CA 93552
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1326423575 (951) 640-2720

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 91739 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

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 Lloyd Trieu's NPI number?

The NPI number for Lloyd Trieu is 1922297183. It was assigned to this individual provider in the NPPES registry on October 23, 2007.

Where is Lloyd Trieu located?

Lloyd Trieu practices at 6136 Walnut Grove Ct, Rancho Cucamonga, CA 91739. The listed phone number is (909) 646-7643.

What is Lloyd Trieu's specialty?

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

Is Lloyd Trieu enrolled in Medicare?

Yes. Lloyd Trieu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lloyd Trieu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lloyd Trieu reassigns Medicare benefits to Trieu & Kang Professional Dental Corp (Palmdale, 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 Lloyd Trieu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lloyd Trieu accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and HRI Dental & Vision and 4 other insurers list Lloyd Trieu 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 Lloyd Trieu was last updated on October 23, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.