David Marsten, LCSW
NPI 1225430432 · Clinical Social Worker · Los Angeles, CA
David Marsten, LCSW is a Clinical Social Worker provider in Los Angeles, CA (NPI 1225430432).
Provider details
- NPI number
- 1225430432
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS15899 (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
11 yrs in NPPES 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
- 2014-09-18
- Last updated
- 2014-09-18
Frequently asked questions
- What is David Marsten's NPI number?
- David Marsten's National Provider Identifier (NPI) is 1225430432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marsten's specialty?
- David Marsten is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Marsten located?
- David Marsten's practice location on file with NPPES is 7461 Beverly Blvd, Los Angeles, CA 90036-2704.
- What is David Marsten's phone number?
- The practice phone number listed in the NPPES registry for David Marsten is (323) 936-3965.
- Is David Marsten's NPI active?
- Yes — David Marsten's NPI (1225430432) is active in the NPPES registry as of the last update on 2014-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.