Registry data as of Aug 27, 2026

Charles Clark, MSSS

Clinical Social Worker · Brookline, MA

Charles Clark, MSSS is a clinical social worker with a practice address in Brookline, Massachusetts, and NPI 1265571384, issued on Feb 5, 2007. Check the license (Massachusetts 100307, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1265571384
Name
Charles Clark
Credential
MSSS
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
100307 MA
15W00180 RI
Self-reported in NPPES; status is on the state search
Practice location
45 Bartlett Crescent, Brookline, MA 02446
Phone
(617) 566-3105
Enumerated
Feb 5, 2007
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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Also registered at 45 Bartlett Crescent

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

  1. Sherri Crowley, LCSW, LICSWSocial Worker1093028953
  2. Joanne LipnerClinical Social Worker1053459339

Verify Charles Clark 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 100307
    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.

376 clinical social worker records list a Brookline practice address

They are 376 of the 2,357 NPPES records with a Brookline practice address, and 16,942 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Massachusetts

  1. Andrew Aaron, LICSWNew Bedford, MA1053477885
  2. Cynthia AaronFall River, MA1407258676
  3. Karla Abad, LCSWLynn, MA1598577470
  4. Amy Abair, LICSWBoston, MA1972821858
  5. Nicole Abair, LCSWLexington, MA1386590859
  6. Stephanie Abate, LICSWAmherst, MA1669580973
  7. Lynn Abbey, LICSWFall River, MA1437189248
  8. Bernard Abbot, MSWBoston, MA1861913188
  9. Mark Abbott, MSW, LICSWEast Falmouth, MA1134461445
  10. Paul Abbott, LICSWNorthampton, MA1558302398

Common questions

What is Charles Clark, MSSS's NPI number?

Charles Clark, MSSS's National Provider Identifier (NPI) is 1265571384, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charles Clark, MSSS located?

The NPPES record lists a practice address at 45 Bartlett Crescent, Brookline, MA, 02446. Phone: (617) 566-3105. Providers update this record themselves, so call before visiting.

How can I verify Charles Clark, MSSS's license?

NPPES lists Massachusetts license number 100307, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.