What is Catherine Tjaja's NPI number?

Catherine Tjaja's National Provider Identifier (NPI) is 1952288763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Catherine Tjaja's specialty?

Catherine Tjaja is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).

Where is Catherine Tjaja located?

Catherine Tjaja's practice location on file with NPPES is 43030 Newport Dr, Fremont, CA 94538-6113.

What is Catherine Tjaja's phone number?

The practice phone number listed in the NPPES registry for Catherine Tjaja is (510) 656-1250.

Is Catherine Tjaja's NPI active?

Yes — Catherine Tjaja's NPI (1952288763) is active in the NPPES registry as of the last update on 2025-08-21.

IndividualActive

Catherine Tjaja

NPI 1952288763 · Counselor · Fremont, CA

Catherine Tjaja is a Counselor provider in Fremont, CA (NPI 1952288763).

Provider details

NPI number: 1952288763
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 250223406 (CA)

Specialties & taxonomies

CounselorPrimary101Y00000XLicense 250223406 (CA)
Behavioral Health & Social Service 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

43030 Newport Dr

Fremont, CA 94538-6113

Phone: (510) 656-1250

Street-level locationGet directions

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Mailing address