What is James Nassar's NPI number?

James Nassar's National Provider Identifier (NPI) is 1437842986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Nassar's specialty?

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

Where is James Nassar located?

James Nassar's practice location on file with NPPES is 1500 S Haven Ave, Ontario, CA 91761-2969.

What is James Nassar's phone number?

The practice phone number listed in the NPPES registry for James Nassar is (909) 749-5204.

Is James Nassar's NPI active?

Yes — James Nassar's NPI (1437842986) is active in the NPPES registry as of the last update on 2023-05-31.

IndividualActive

James Nassar

NPI 1437842986 · Behavior Technician · Ontario, CA

James Nassar is a Behavior Technician provider in Ontario, CA (NPI 1437842986).

Provider details

NPI number: 1437842986
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

Established profile(52/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 yrs in NPPES 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

1500 S Haven Ave

Ontario, CA 91761-2969

Phone: (909) 749-5204

Street-level locationGet directions

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Mailing address