Rosa Singer, MSW, LCSW
NPI 1366745861 · Clinical Social Worker · Simi Valley, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosa Singer, MSW, LCSW is a Clinical Social Worker provider in Simi Valley, CA (NPI 1366745861).
Provider details
- NPI number
- 1366745861
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- ASW20427 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
15 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
- 2010-12-06
- Last updated
- 2021-10-24
- Certified
- 2021-10-24
Frequently asked questions
- What is Rosa Singer's NPI number?
- Rosa Singer's National Provider Identifier (NPI) is 1366745861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosa Singer's specialty?
- Rosa Singer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Rosa Singer located?
- Rosa Singer's practice location on file with NPPES is 3855 Alamo St Ste a, Simi Valley, CA 93063-2104.
- What is Rosa Singer's phone number?
- The practice phone number listed in the NPPES registry for Rosa Singer is (805) 587-8471.
- Does Rosa Singer accept Medicare?
- Rosa Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosa Singer's NPI active?
- Yes — Rosa Singer's NPI (1366745861) is active in the NPPES registry as of the last update on 2021-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.