Rosa Singer, MSW, LCSW
Clinical Social Worker · Simi Valley, CA
Rosa Singer, MSW, LCSW is a clinical social worker with a practice address in Simi Valley, California, and NPI 1366745861, issued on Dec 6, 2010. Check the license (California 28441, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rosa Singer
- Credential
- MSW, LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 28441 CA
ASW20427 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3855 Alamo St Ste A, Simi Valley, CA 93063
- Phone
- (805) 587-8471
- Enumerated
- Dec 6, 2010
- Record last updated
- Oct 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160421001858); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 3855 Alamo St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachele Catlett Gomez, LCSWClinical Social Worker1497302236
- Leticia Delling, LMFTMarriage & Family Therapist1609188374
- James Pierre, MD, MPHAddiction Medicine (Preventive Medicine) Physician1003194309
- Tristan Sanchez, MSMarriage & Family Therapist1700357654
- Jennifer Santillo, LMFTCounselor1811172075
Verify Rosa Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 28441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rosa Singer among 36,261 clinical social worker records in California
Rosa Singer, MSW, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 31% of them.
- NPI issued2010 · 31% of these records are older, 66% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2006 · median 2012 among the 4,008 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 clinical social worker records list a practice address in Simi Valley
They are 43 of the 1,397 NPPES records with a practice address in Simi Valley, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in Simi Valley → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Kenneth BeldenSimi Valley, CA 930631447793799
- Rachel Benoun, LCSWSimi Valley, CA 930631114124518
- Kathleen Burrell, MSWSimi Valley, CA 930631124430129
- Rachele Catlett Gomez, LCSWSimi Valley, CA 930631497302236
- Julie Cristiano, MSWSimi Valley, CA 930631003948308
- Dinah Hamilton, MSWSimi Valley, CA 930631497033914
- Wendy Jones, LCSWSimi Valley, CA 930631396821708
- Devaki NarayananSimi Valley, CA 930631902136245
Common questions
What is Rosa Singer, MSW, LCSW's NPI number?
Rosa Singer, MSW, LCSW's National Provider Identifier (NPI) is 1366745861, issued on Dec 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rosa Singer, MSW, LCSW located?
The NPPES record lists a practice address at 3855 Alamo St Ste A, Simi Valley, CA, 93063. Phone: (805) 587-8471. Providers update this record themselves, so call before visiting.
How can I verify Rosa Singer, MSW, LCSW's license?
NPPES lists California license number 28441, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.