NPPES file of Aug 9, 2026

Lorrayne Britto Assis, LCSW

Clinical Social Worker · Boston, MA

Lorrayne Britto Assis, LCSW is a clinical social worker with a practice address in Boston, Massachusetts, and NPI 1912672460, issued on Aug 16, 2021. Check the license (Massachusetts 127160, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912672460
Name
Lorrayne Britto Assis
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
127160 MA
000227115 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-8593
Enumerated
Aug 16, 2021
Record last updated
Apr 24, 2024
Medicare enrollment
Enrolled (PECOS I20250624003009); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Longwood Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Lorrayne Britto Assis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 127160
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Cambridge Public Health CommissionCambridge, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lorrayne Britto Assis among 17,815 clinical social worker records in Massachusetts

Lorrayne Britto Assis, LCSW 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 2021, is newer than 83% of them.

  • NPI issued2021 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2021 · median 2004 among the 3,059 with a school on file
  • Record last updated2024 · 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).

1,906 clinical social worker records list a practice address in Boston

They are 1,906 of the 41,865 NPPES records with a practice address in Boston, and 17,815 clinical social worker records in Massachusetts.

The 8 clinical social worker records with the nearest ZIP codes

  1. Janis Arnold, LICSWBoston, MA 021151386691020
  2. Kathryn Cooney, LICSWBoston, MA 021151366470064
  3. Lois Glass, MSWBoston, MA 021151922199157
  4. Laura Gray, LICSWBoston, MA 021151124087085
  5. Catherine Holman, LICSWBoston, MA 021151487606448
  6. Marsha Joselow, MSW/LICSWBoston, MA 021151225074073
  7. Shuei Kozu, LICSW, MHABoston, MA 021151356447379
  8. Jacqueline Miranda, LICSWBoston, MA 021151053370080

Common questions

What is Lorrayne Britto Assis, LCSW's NPI number?

Lorrayne Britto Assis, LCSW's National Provider Identifier (NPI) is 1912672460, issued on Aug 16, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Lorrayne Britto Assis, LCSW located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-8593. Providers update this record themselves, so call before visiting.

How can I verify Lorrayne Britto Assis, LCSW's license?

NPPES lists Massachusetts license number 127160, 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.