Ann Christensen, LCSW
Clinical Social Worker · Rancho Palos Verdes, CA
Ann Christensen, LCSW is a clinical social worker with a practice address in Rancho Palos Verdes, California, and NPI 1558317289, issued on May 25, 2006. Check the license (California LCS16054, 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
- Ann Christensen
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS16054 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28631 S Western Ave, Rancho Palos Verdes, CA 90275
- Phone
- (310) 463-4538
- Enumerated
- May 25, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20040520000871); 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 28631 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ann Christensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS16054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ann Christensen among 36,261 clinical social worker records in California
Ann Christensen, 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1989 · median 2012 among the 4,008 with a school on file
- Record last updated2026 · 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).
11 clinical social worker records list a practice address in Rancho Palos Verdes
They are 11 of the 271 NPPES records with a practice address in Rancho Palos Verdes, 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 Rancho Palos Verdes → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Nelly Bertolina, LCSWRancho Palos Verdes, CA 902751932275997
- James Bertolina, LCSWRancho Palos Verdes, CA 902751669548624
- Kimberly D'Amico, MSWRolling Hills Estates, CA 902751114252749
- Nahid FarooqRancho Palos Verdes, CA 902751306235833
- Carolyn Gatlin, LCSWRancho Palos Verdes, CA 902751831283001
- Eleanor Huang, L.C.S.W.Rancho Palos Verdes, CA 902751558550897
- Megumi Ichikawa-Chang, LCSWRancho Palos Verdes, CA 902751306529482
- Dexter Jefferson, LCSWRancho Palos Verdes, CA 902751326177072
Common questions
What is Ann Christensen, LCSW's NPI number?
Ann Christensen, LCSW's National Provider Identifier (NPI) is 1558317289, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Christensen, LCSW located?
The NPPES record lists a practice address at 28631 S Western Ave, Rancho Palos Verdes, CA, 90275. Phone: (310) 463-4538. Providers update this record themselves, so call before visiting.
How can I verify Ann Christensen, LCSW's license?
NPPES lists California license number LCS16054, 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.