What is Quan Nghiem's NPI number?

Quan Nghiem's National Provider Identifier (NPI) is 1255213484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Quan Nghiem's specialty?

Quan Nghiem is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Quan Nghiem located?

Quan Nghiem's practice location on file with NPPES is 9600 Center Ave Ste 160, Rancho Cucamonga, CA 91730-5838.

What is Quan Nghiem's phone number?

The practice phone number listed in the NPPES registry for Quan Nghiem is (858) 264-5858.

Is Quan Nghiem's NPI active?

Yes — Quan Nghiem's NPI (1255213484) is active in the NPPES registry as of the last update on 2025-07-21.

IndividualActive

Quan Nghiem

NPI 1255213484 · Behavior Technician · Rancho Cucamonga, CA

Quan Nghiem is a Behavior Technician provider in Rancho Cucamonga, CA (NPI 1255213484).

Provider details

NPI number: 1255213484
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 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
83% 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

9600 Center Ave Ste 160

Rancho Cucamonga, CA 91730-5838

Phone: (858) 264-5858

Street-level locationGet directions

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Mailing address