Mary H. Jacobsen, MSW
Clinical Social Worker · Arlington, MA
Mary H. Jacobsen, MSW is a clinical social worker with a practice address in Arlington, Massachusetts, and NPI 1245384635, issued on Jan 22, 2007. Check the license (Massachusetts LICSW1014789, 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
- Mary H. Jacobsen
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LICSW1014789 MA
Self-reported in NPPES; status is on the state search - Practice location
- 259 Massachusetts Avenue, Arlington, MA 02474
- Phone
- (781) 646-8918
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (781) 646-8918
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 259 Massachusetts Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Judith Glick, LMHCMental Health Counselor1881754943
Verify Mary H. Jacobsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license LICSW1014789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary H. Jacobsen among 17,815 clinical social worker records in Massachusetts
Mary H. Jacobsen, MSW 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 not. Its NPI, issued in 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 70% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileNo · 17% of these records are
- Record last updated2007 · 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).
189 clinical social worker records list a practice address in Arlington
They are 189 of the 974 NPPES records with a practice address in Arlington, 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 17,815 in Massachusetts → Every provider in Arlington → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- C. Leigh Benowitz, LICSW, BCDArlington, MA 024741437170339
- Thomas Denton, LICSWArlington, MA 024741003989443
- Jennifer Desouza, LICSWArlington, MA 024741063578482
- Shaheer Mustafa, LICSWArlington, MA 024741750450938
- Ann O'Connell, M.ED.; M.S.W. LICSWArlington, MA 024741659451763
- Tom Pedulla, LICSWArlington, MA 024741053418608
- Mary Petti, LICSWArlington, MA 024741154492205
- Barbara Phillips, BARBARA PHILLIPS MSWArlington, MA 024741356407555
Common questions
What is Mary H. Jacobsen, MSW's NPI number?
Mary H. Jacobsen, MSW's National Provider Identifier (NPI) is 1245384635, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary H. Jacobsen, MSW located?
The NPPES record lists a practice address at 259 Massachusetts Avenue, Arlington, MA, 02474. Phone: (781) 646-8918. Providers update this record themselves, so call before visiting.
How can I verify Mary H. Jacobsen, MSW's license?
NPPES lists Massachusetts license number LICSW1014789, 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.