NPPES file of Aug 9, 2026

Melissa Deleon, LCSW

Social Worker · Boston, MA

Melissa Deleon, LCSW is a social worker with a practice address in Boston, Massachusetts, and NPI 1508441429, issued on Mar 11, 2021. Check the license (Massachusetts 226149, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1508441429
Name
Melissa Deleon
Credential
LCSW
Primary taxonomy
Social Worker 104100000X
License number
226149 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave., Boston, MA 02215
Phone
(617) 667-3421
Enumerated
Mar 11, 2021
Record last updated
Mar 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(617) 667-8701
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest social worker records → All 5,517 in Massachusetts → Look up another NPI →

Also registered at 330 Brookline Ave.

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

  1. Yolanda Amezaga, MDStudent in an Organized Health Care Education/Training Program1588347033
  2. Parul Bhargava, M.D.Anatomic Pathology & Clinical Pathology Physician1871531145
  3. James Carter, M.D.Internal Medicine Physician1518051531
  4. David Feinstein, M.D.Anesthesiology Physician1417995705
  5. Sean Gilman, M.D.Pulmonary Disease Physician1003916065
  6. James Hennessey, MDEndocrinology, Diabetes & Metabolism Physician1063459386

Verify Melissa Deleon 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 226149    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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Melissa Deleon among 5,517 social worker records in Massachusetts

Melissa Deleon, LCSW is one of 5,517 social worker records with a practice address in Massachusetts. 5% 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 2021, is newer than 68% of them.

  • NPI issued2021 · 68% of these records are older, 27% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

463 social worker records list a practice address in Boston

They are 463 of the 41,865 NPPES records with a practice address in Boston, and 5,517 social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,517 in Massachusetts → Every provider in Boston → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Miriam Bernardin, LCSWBoston, MA 022151245711522
  2. Timothy Farrell, MSWBoston, MA 022151588935282
  3. Kalen FletcherBoston, MA 022151710478839
  4. Mark Forrest, L.I.C.S.W.Boston, MA 022151487667705
  5. Melissa Grieco-Waters, MSWBoston, MA 022151346495470
  6. Larissa Hewitt, LICSWBoston, MA 022151881182269
  7. Lisa Krinsky, MSW, LICSWBoston, MA 022151962989715
  8. Aliese Lash, MSWBoston, MA 022151295255768

Common questions

What is Melissa Deleon, LCSW's NPI number?

Melissa Deleon, LCSW's National Provider Identifier (NPI) is 1508441429, issued on Mar 11, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Deleon, LCSW located?

The NPPES record lists a practice address at 330 Brookline Ave., Boston, MA, 02215. Phone: (617) 667-3421. Providers update this record themselves, so call before visiting.

How can I verify Melissa Deleon, LCSW's license?

NPPES lists Massachusetts license number 226149, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.