Ellen Ostergren, LCSW
Social Worker · Alameda, CA
Ellen Ostergren, LCSW is a social worker with a practice address in Alameda, California, and NPI 1134325582, issued on Jun 22, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ellen Ostergren
- Credential
- LCSW
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 1609 San Antonio Ave, Alameda, CA 94501
- Phone
- (352) 222-5005
- Enumerated
- Jun 22, 2007
- Record last updated
- Sep 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20260113001042); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Verify Ellen Ostergren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ellen Ostergren among 10,332 social worker records in California
Ellen Ostergren, LCSW is one of 10,332 social worker records with a practice address in California. 2% 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 2007, is newer than 3% of them.
- NPI issued2007 · 3% of these records are older, 87% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated2004 · median 2015 among the 299 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Social Worker providers in California
There are 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,332 in California → Every provider in Alameda → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Alyssa AlemanAlameda, CA 945011477311405
- Wendy EverardAlameda, CA 945011538379987
- Charon FloydAlameda, CA 945011851601595
- Everett Glenn, ASWAlameda, CA 945011457796369
- Clint Imboden, M.S.Alameda, CA 945011962720854
- Javier LopezAlameda, CA 945011831973197
- Nicholas Mattos, ASWAlameda, CA 945011700501608
- Reha PrasadAlameda, CA 945011952177255
Common questions
What is Ellen Ostergren, LCSW's NPI number?
Ellen Ostergren, LCSW's National Provider Identifier (NPI) is 1134325582, issued on Jun 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Ostergren, LCSW located?
The NPPES record lists a practice address at 1609 San Antonio Ave, Alameda, CA, 94501. Phone: (352) 222-5005. Providers update this record themselves, so call before visiting.
How can I verify Ellen Ostergren, LCSW's license?
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.