OrganizationActive
Nicholas Trieu DDS Inc
NPI 1639040348 · General Practice Dentistry · Ontario, CA
Nicholas Trieu DDS Inc is a General Practice Dentistry organization in Ontario, CA (NPI 1639040348).
Provider details
- NPI number
- 1639040348
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Nicholas Trieu, Dentist(909) 317-8486
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1755 S Mountain Ave Ste a
Ontario, CA 91762-5972
Phone: (909) 317-8486
Street-level locationGet directions
Mailing address
6303 Sloane Ct
Rancho Cucamonga, CA 91739-2255
Registry dates
- Enumerated
- 2025-09-16
- Last updated
- 2025-09-16
- Certified
- 2025-09-15
Frequently asked questions
- What is Nicholas Trieu DDS Inc's NPI number?
- Nicholas Trieu DDS Inc's National Provider Identifier (NPI) is 1639040348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nicholas Trieu DDS Inc?
- Nicholas Trieu DDS Inc is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Nicholas Trieu DDS Inc located?
- Nicholas Trieu DDS Inc's practice location on file with NPPES is 1755 S Mountain Ave Ste a, Ontario, CA 91762-5972.
- What is Nicholas Trieu DDS Inc's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Trieu DDS Inc is (909) 317-8486.
- Who is the authorized official for Nicholas Trieu DDS Inc?
- The authorized official listed on Nicholas Trieu DDS Inc's NPPES record is Nicholas Trieu, Dentist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nicholas Trieu DDS Inc's NPI active?
- Yes — Nicholas Trieu DDS Inc's NPI (1639040348) is active in the NPPES registry as of the last update on 2025-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.