Michael L. Lass, LICSW
Clinical Social Worker · Cambridge, MA
Michael L. Lass, LICSW is a clinical social worker with a practice address in Cambridge, Massachusetts, and NPI 1740421395, issued on Mar 11, 2009. Check the license (Massachusetts 114877, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael L. Lass
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 114877 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 499-5054
- Enumerated
- Mar 11, 2009
- Record last updated
- Mar 11, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (617) 499-5465
- Medicare enrollment
- Enrolled (PECOS I20100216000031); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 330 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ritika Abhyankar, MDStudent in an Organized Health Care Education/Training Program1508551219
- Anthony Abner, MDRadiation Oncology Physician1487629127
- Susan Abookire, MDInternal Medicine Physician1407859762
- Samer Abujaber, MB BCH BAOInternal Medicine Physician1497137558
Verify Michael L. Lass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 114877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Massachusetts Institute OF TechnologyCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael L. Lass among 17,815 clinical social worker records in Massachusetts
Michael L. Lass, LICSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 34% of them.
- NPI issued2009 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2002 · median 2004 among the 3,059 with a school on file
- Record last updated2009 · 68% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
545 clinical social worker records list a practice address in Cambridge
They are 545 of the 5,145 NPPES records with a practice address in Cambridge, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Cambridge → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Dennis Balcom, MSWCambridge, MA 021381891785812
- Lauren Berman, M.S.W., L.I.C.S.W.Cambridge, MA 021381932198306
- Theresa Cohen, LICSWCambridge, MA 021381427149871
- Leslie CutlerCambridge, MA 021381043271471
- John Dugan, LICSWCambridge, MA 021381598797128
- Nadja Gould, LICSWCambridge, MA 021381245288497
- Sarah Kelly, LICSWCambridge, MA 021381518901917
- Eve Lesses, LICSWCambridge, MA 021381538110721
Common questions
What is Michael L. Lass, LICSW's NPI number?
Michael L. Lass, LICSW's National Provider Identifier (NPI) is 1740421395, issued on Mar 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael L. Lass, LICSW located?
The NPPES record lists a practice address at 330 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 499-5054. Providers update this record themselves, so call before visiting.
How can I verify Michael L. Lass, LICSW's license?
NPPES lists Massachusetts license number 114877, as entered by the provider. Search the Massachusetts 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. Medicare files from data.cms.gov. 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.