William Charles Barker, MSW
Clinical Social Worker · Lowell, MA
William Charles Barker, MSW is a clinical social worker with a practice address in Lowell, Massachusetts, and NPI 1447355698, issued on Sep 13, 2006. Check the license (Massachusetts 1016981, 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.
- Name
- William Charles Barker
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 1016981 MA
Self-reported in NPPES; status is on the state search - Practice location
- 130 Marshall RD, Lowell, MA 01852
- Phone
- (978) 671-9000
- Enumerated
- Sep 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (978) 671-9149
- Entity
- Type 1 · individual
Also registered at 130 Marshall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Bashian, PH.D.Clinical Psychologist1013637685
- Kasey Caplis, R.D., L.D.Registered Dietitian1497714349
- Emily Carell, O.D.Optometrist1417242793
- Kathryn Clark, RD LDNRegistered Dietitian1760161541
- Diane Clinton, APRN, BCPsychiatric/Mental Health Clinical Nurse Specialist1659408235
- Robert Daniels, MSWClinical Social Worker1982700357
Verify William Charles Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1016981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
248 clinical social worker records list a practice address in Lowell
They are 248 of the 2,992 NPPES records with a practice address in Lowell, and 17,815 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 248 in Lowell → All 17,815 in Massachusetts → Every provider in Lowell →
Other clinical social worker records in Massachusetts
- Andrew Aaron, LICSWNew Bedford, MA1053477885
- Cynthia AaronFall River, MA1407258676
- Emanuel Aaron, LICSW,LADCI, CADCII,Orange, MA1134475817
- Karla Abad, LCSWLynn, MA1598577470
- Amy Abair, LICSWBoston, MA1972821858
- Nicole Abair, LCSWLexington, MA1386590859
- Stephanie Abate, LICSWAmherst, MA1669580973
- Lynn Abbey, LICSWFall River, MA1437189248
- Bernard Abbot, MSWBoston, MA1861913188
- Amanda Abbott, CNM, LCSWCambridge, MA1821358284
Common questions
What is William Charles Barker, MSW's NPI number?
William Charles Barker, MSW's National Provider Identifier (NPI) is 1447355698, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Charles Barker, MSW located?
The NPPES record lists a practice address at 130 Marshall RD, Lowell, MA, 01852. Phone: (978) 671-9000. Providers update this record themselves, so call before visiting.
How can I verify William Charles Barker, MSW's license?
NPPES lists Massachusetts license number 1016981, 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.
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.