Mary Ellen Liles Lemieux, J.D., LCSW
Clinical Social Worker · Palo Alto, CA
Mary Ellen Liles Lemieux, J.D., LCSW is a clinical social worker with a practice address in Palo Alto, California, and NPI 1134517600, issued on Jan 6, 2015. Check the license (California 73557, 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
- Mary Ellen Liles Lemieux
- Credential
- J.D., LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 73557 CA
09926365 CO
11557310-3501 UT
Self-reported in NPPES; status is on the state search - Practice location
- 518 Hamilton Ave, Palo Alto, CA 94301
- Phone
- (650) 346-7698
- Enumerated
- Jan 6, 2015
- Record last updated
- Oct 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20240711004253); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ellen Liles Lemieux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 73557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Ellen Liles Lemieux among 36,261 clinical social worker records in California
Mary Ellen Liles Lemieux, J.D., 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 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 47% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2012 · median 2012 among the 4,008 with a school on file
- Record last updated2023 · 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).
216 clinical social worker records list a practice address in Palo Alto
They are 216 of the 7,617 NPPES records with a practice address in Palo Alto, 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 Palo Alto → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Susan Bass, LCSWPalo Alto, CA 943011700991536
- John Bisenius, LCSWPalo Alto, CA 943011275547481
- Georgina Earle, LCSWPalo Alto, CA 943011194815845
- Joan Fisch, M.S.W.Palo Alto, CA 943011780741454
- Craig Forte, LCSWPalo Alto, CA 943011255488466
- Scott Granet, LCSWPalo Alto, CA 943011942214051
- Rochelle Hatfield, LCSWPalo Alto, CA 943011275609356
- Bruce Hill, LCSWPalo Alto, CA 943011164598249
Common questions
What is Mary Ellen Liles Lemieux, J.D., LCSW's NPI number?
Mary Ellen Liles Lemieux, J.D., LCSW's National Provider Identifier (NPI) is 1134517600, issued on Jan 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Liles Lemieux, J.D., LCSW located?
The NPPES record lists a practice address at 518 Hamilton Ave, Palo Alto, CA, 94301. Phone: (650) 346-7698. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Liles Lemieux, J.D., LCSW's license?
NPPES lists California license number 73557, 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.