Matthew Van Onselen
NPI 1376476663 · Marriage & Family Therapist · Los Angeles, CA
Matthew Van Onselen is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1376476663).
Provider details
- NPI number
- 1376476663
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 161648 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2026-06-05
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Matthew Van Onselen's NPI number?
- Matthew Van Onselen's National Provider Identifier (NPI) is 1376476663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Van Onselen's specialty?
- Matthew Van Onselen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Matthew Van Onselen located?
- Matthew Van Onselen's practice location on file with NPPES is 12401 Wilshire Blvd Ste 303, Los Angeles, CA 90025-1087.
- What is Matthew Van Onselen's phone number?
- The practice phone number listed in the NPPES registry for Matthew Van Onselen is (323) 366-3433.
- Is Matthew Van Onselen's NPI active?
- Yes — Matthew Van Onselen's NPI (1376476663) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.