Maren Sullivan, LCSW
NPI 1598948739 · Clinical Social Worker · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maren Sullivan, LCSW is a Clinical Social Worker provider in Los Angeles, CA (NPI 1598948739).
Provider details
- NPI number
- 1598948739
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 25277 (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
18 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
- 2007-12-11
- Last updated
- 2011-04-14
Frequently asked questions
- What is Maren Sullivan's NPI number?
- Maren Sullivan's National Provider Identifier (NPI) is 1598948739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maren Sullivan's specialty?
- Maren Sullivan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Maren Sullivan located?
- Maren Sullivan's practice location on file with NPPES is 11080 W Olympic Blvd, Los Angeles, CA 90064-1937.
- What is Maren Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Maren Sullivan is (310) 966-6500.
- Does Maren Sullivan accept Medicare?
- Maren Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maren Sullivan's NPI active?
- Yes — Maren Sullivan's NPI (1598948739) is active in the NPPES registry as of the last update on 2011-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.