Sarah Williamson
Clinical Social Worker · Brookline, MA
Sarah Williamson is a clinical social worker with a practice address in Brookline, Massachusetts, and NPI 1457686164, issued on Oct 14, 2009. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Williamson
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 68 Columbia St, Brookline, MA 02446
- Phone
- (617) 894-2557
- Enumerated
- Oct 14, 2009
- Record last updated
- Oct 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20240924003045); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Verify Sarah 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
Bills Medicare through one group practice
- Brookline Community Mental Health Center IncBrookline, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Williamson among 17,815 clinical social worker records in Massachusetts
Sarah Williamson 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
- Graduated2024 · median 2004 among the 3,059 with a school on file
- Record last updated2022 · 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).
393 clinical social worker records list a practice address in Brookline
They are 393 of the 2,357 NPPES records with a practice address in Brookline, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Brookline → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Paul Alie, LICSWBrookline, MA 024461396735213
- Mary Ellen DwyerBrookline, MA 024461295718542
- Marsha Frankel, MSWBrookline, MA 024461477539427
- Lynn Holden, LICSWBrookline, MA 024461922079763
- Erika Kaplan, L.I.C.S.W.Brookline, MA 024461649226978
- Erica Kirsners, LICSWBrookline, MA 024461740230655
- Tina Kurys, LICSWBrookline, MA 024461790747640
- Karen Melikian, PH.DBrookline, MA 024461023096633
Common questions
What is Sarah Williamson's NPI number?
Sarah Williamson's National Provider Identifier (NPI) is 1457686164, issued on Oct 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Williamson located?
The NPPES record lists a practice address at 68 Columbia St, Brookline, MA, 02446. Phone: (617) 894-2557. Providers update this record themselves, so call before visiting.
How can I verify Sarah 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. 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.