Melissa Thompson, LCSW
Clinical Social Worker · Castro Valley, CA
Melissa Thompson, LCSW is a clinical social worker with a practice address in Castro Valley, California, and NPI 1912266362, issued on May 4, 2012. Check the license (California LCS23559, 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
- Melissa Thompson
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS23559 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20200 Redwood RD, Castro Valley, CA 94546
- Phone
- (925) 818-2207
- Enumerated
- May 4, 2012
- Record last updated
- May 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251017000920); 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 20200 Redwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melissa Thompson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS23559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Melissa Thompson among 36,261 clinical social worker records in California
Melissa Thompson, 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 2012, is newer than 38% of them.
- NPI issued2012 · 38% of these records are older, 58% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1999 · median 2012 among the 4,008 with a school on file
- Record last updated2012 · 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).
24 clinical social worker records list a practice address in Castro Valley
They are 24 of the 999 NPPES records with a practice address in Castro 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 Castro Valley → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Martha Berhanu, LCSWCastro Valley, CA 945461265718472
- Helen Bruner, LCSWCastro Valley, CA 945461528110640
- Benjamin Graf, LCSWCastro Valley, CA 945461255572392
- Japera HarrisonCastro Valley, CA 945461043442999
- Yvonne Jones, LCSWSan Leandro, CA 945461205030202
- Alexis King-Gallman, LCSWCastro Valley, CA 945461518103860
- Kathleen Kretzmer, LCSWCastro Valley, CA 945461467579979
- Noa Mandel, LCSW, PPSCCastro Valley, CA 945461508175357
Common questions
What is Melissa Thompson, LCSW's NPI number?
Melissa Thompson, LCSW's National Provider Identifier (NPI) is 1912266362, issued on May 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Thompson, LCSW located?
The NPPES record lists a practice address at 20200 Redwood RD, Castro Valley, CA, 94546. Phone: (925) 818-2207. Providers update this record themselves, so call before visiting.
How can I verify Melissa Thompson, LCSW's license?
NPPES lists California license number LCS23559, 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.