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NPISignal

Individual Healthcare Provider

Risja Hoogstrate, BSW

NPI Record: ActiveSocial Worker — School
NPI1235852443
Oakland, California

Provider's NPPES record last updated: September 5, 2026

Overview

Entity Type
Individual Healthcare Provider
NPI
1235852443
Primary Specialty
Social Worker — School
Practice Location
Oakland, California
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 17, 2026, 10:59 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Social Worker

    School

    Behavioral Health & Social Service Providers

    Primary

    Definition to come...

    Taxonomy code 1041S0200X
  • Community Health Worker

    Other Service Providers

    Community health workers (CHW) are lay members of communities who work either for pay or as volunteers in association with the local health care system in both urban and rural environments and usually share ethnicity, language, socioeconomic status and life experiences with the community members they serve. They have been identified by many titles such as community health advisors, lay health advocates, "promotores(as), outreach educators, community health representatives, peer health promoters, and peer health educators. CHWs offer interpretation and translation services, provide culturally appropriate health education and information, assist people in receiving the care they need, give informal counseling and guidance on health behaviors, advocate for individual and community health needs, and provide some direct services such as first aid and blood pressure screening. Some examples of these practitioners are Community Health Aides or Practitioners established under 25 USC 1616 (l) under HHS, Indian Health Service, Public Health Service.

    Taxonomy code 172V00000X
  • Day Training/Habilitation Specialist

    Nursing Service Related Providers

    Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.

    Taxonomy code 373H00000X

Provider-Reported License Information

Social Worker (California)
133992
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

1011 Union St

Oakland, California 94607-2236

Phone: (510) 879-8000

Record Information

Enumeration Date
September 22, 2022
Provider's NPPES Record Last Updated
September 5, 2026
Certification Date
September 5, 2026
NPISignal NPPES Dataset
August 2026

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