Mitchell Eckstein, LCSW
Clinical Social Worker · San Mateo, CA
Mitchell Eckstein, LCSW is a clinical social worker with a practice address in San Mateo, California, and NPI 1316346232, issued on Aug 15, 2014. Check the license (California LCS18381, 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
- Mitchell Eckstein
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS18381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 S Amphlett Blvd Ste 250I, San Mateo, CA 94402
- Phone
- (650) 458-7920
- Enumerated
- Aug 15, 2014
- Record last updated
- Aug 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (877) 991-8755
- Medicare enrollment
- Enrolled (PECOS I20160503000517); 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 1700 S Amphlett Blvd Ste 250I
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dui Chen, LCSWClinical Social Worker1881001188
Verify Mitchell Eckstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS18381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mitchell Eckstein among 36,261 clinical social worker records in California
Mitchell Eckstein, 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 2014, is newer than 45% of them.
- NPI issued2014 · 45% of these records are older, 51% 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 updated2018 · 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).
140 clinical social worker records list a practice address in San Mateo
They are 140 of the 3,909 NPPES records with a practice address in San Mateo, 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 San Mateo → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Kay Bunnell Coddington, L.C.S.W., A.C.S.W.San Mateo, CA 944021366572273
- Michelle Decorte, R.N., L.C.S.W.San Mateo, CA 944021811946577
- Deborah Diaz, LCSWSan Mateo, CA 944021043347362
- Ericka DiazSan Mateo, CA 944021750635108
- Kassandra Edwards, LCSW, MFTSan Mateo, CA 944021578630745
- Michael Immerman, MSWSan Mateo, CA 944021174703367
- Samantha JohnstonSan Mateo, CA 944021801912209
- Sarah Korsunsky, LCSWSan Mateo, CA 944021568610111
Common questions
What is Mitchell Eckstein, LCSW's NPI number?
Mitchell Eckstein, LCSW's National Provider Identifier (NPI) is 1316346232, issued on Aug 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mitchell Eckstein, LCSW located?
The NPPES record lists a practice address at 1700 S Amphlett Blvd Ste 250I, San Mateo, CA, 94402. Phone: (650) 458-7920. Providers update this record themselves, so call before visiting.
How can I verify Mitchell Eckstein, LCSW's license?
NPPES lists California license number LCS18381, 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.