Leon David, MA
Social Worker · Waltham, MA
Leon David, MA is a social worker with a practice address in Waltham, Massachusetts, and NPI 1124385372, issued on Apr 12, 2012. Check the license with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Leon David
- Credential
- MA
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 118 Central St, Waltham, MA 02453
- Phone
- (781) 891-0556
- Enumerated
- Apr 12, 2012
- Record last updated
- Apr 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (781) 647-1432
- Entity
- Type 1 · individual
8 nearest social worker records → All 5,517 in Massachusetts → Look up another NPI →
Also registered at 118 Central St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joa Ahern-SerondeMental Health Counselor1255616108
- Josue AndinoSocial Worker1285986976
- Allyson Black-FoleyCounselor1780952663
- Naomi Bocarsly, LICSWClinical Social Worker1508115221
- Erica BoothClinical Social Worker1295160687
- Elizabeth Bosco, LCSWClinical Social Worker1477901593
Verify Leon David in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Leon David among 5,517 social worker records in Massachusetts
Leon David, MA 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 2012, is newer than 25% of them.
- NPI issued2012 · 25% of these records are older, 71% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2012 · 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).
82 social worker records list a practice address in Waltham
They are 82 of the 2,111 NPPES records with a practice address in Waltham, 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 Waltham → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Josue AndinoWaltham, MA 024531285986976
- Nicole Biggs, MSWWaltham, MA 024531992078729
- Emily CooperWaltham, MA 024531659783645
- Dana FarleyWaltham, MA 024531700158839
- Eric FrederickWaltham, MA 024531447300371
- Emily Gloss, STUDENTWaltham, MA 024531194025387
- Benjamin Gross, LCSWWaltham, MA 024531346570751
- Judith Maguire, BAWaltham, MA 024531366717753
Common questions
What is Leon David, MA's NPI number?
Leon David, MA's National Provider Identifier (NPI) is 1124385372, issued on Apr 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Leon David, MA located?
The NPPES record lists a practice address at 118 Central St, Waltham, MA, 02453. Phone: (781) 891-0556. Providers update this record themselves, so call before visiting.
How can I verify Leon David, MA's license?
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.
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.