Anne Elizabeth Williamson
Social Worker · Chelsea, MA
Anne Elizabeth Williamson is a social worker with a practice address in Chelsea, Massachusetts, and NPI 1306516679, issued on Sep 17, 2021. 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
- Anne Elizabeth Williamson
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 301 Broadway, Chelsea, MA 02150
- Phone
- (617) 889-4860
- Enumerated
- Sep 17, 2021
- Record last updated
- Sep 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250904003286); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 5,517 in Massachusetts → Look up another NPI →
Also registered at 301 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anne Elizabeth Williamson 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
Anne Elizabeth Williamson among 5,517 social worker records in Massachusetts
Anne Elizabeth Williamson 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 fileYes · 8% of these records are
- Graduated2022 · median 2012 among the 435 with a school on file
- 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).
100 social worker records list a practice address in Chelsea
They are 100 of the 998 NPPES records with a practice address in Chelsea, 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 Chelsea → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Amanda Bronson, LICSWChelsea, MA 021501205140381
- Ellen Calhoun, MSWChelsea, MA 021501669788840
- Sandra CrespoChelsea, MA 021501548581663
- Tina DarsaChelsea, MA 021501780906008
- Sandra Diener, LICSWChelsea, MA 021501467477513
- Catherine DuffyChelsea, MA 021501336333061
- Stephanie DunnChelsea, MA 021501295061588
- Maria De Lourdes LopataChelsea, MA 021501013233881
Common questions
What is Anne Elizabeth Williamson's NPI number?
Anne Elizabeth Williamson's National Provider Identifier (NPI) is 1306516679, issued on Sep 17, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Anne Elizabeth Williamson located?
The NPPES record lists a practice address at 301 Broadway, Chelsea, MA, 02150. Phone: (617) 889-4860. Providers update this record themselves, so call before visiting.
How can I verify Anne Elizabeth Williamson'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.