Joan Ditzion, LICSW
Social Worker · Cambridge, MA
Joan Ditzion, LICSW is a social worker with a practice address in Cambridge, Massachusetts, and NPI 1932383650, issued on Dec 18, 2007. Check the license (Massachusetts 1017875, 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
- Joan Ditzion
- Credential
- LICSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 1017875 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Bellevue Ave, Cambridge, MA 02140
- Phone
- (617) 864-9305
- Enumerated
- Dec 18, 2007
- Record last updated
- Dec 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest social worker records → All 5,517 in Massachusetts → Look up another NPI →
Also registered at 6 Bellevue Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruce Ditzion, M.D.Internal Medicine Physician1346365269
Verify Joan Ditzion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1017875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joan Ditzion among 5,517 social worker records in Massachusetts
Joan Ditzion, LICSW 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 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 88% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2007 · 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).
269 social worker records list a practice address in Cambridge
They are 269 of the 5,145 NPPES records with a practice address in Cambridge, 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 Cambridge → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Anthony CeramiCambridge, MA 021401417683848
- Jazlyn Cerbin, LCSWCambridge, MA 021401992560460
- Shelvela Daigle, MSWCambridge, MA 021401528812252
- Fadumo EgalCambridge, MA 021401356735138
- Julie Katz, LICSWCambridge, MA 021401740494350
- Johnathan LarkeyCambridge, MA 021401831079995
- Courtney LimonCambridge, MA 021401275201436
- Qian LiuCambridge, MA 021401407632649
Common questions
What is Joan Ditzion, LICSW's NPI number?
Joan Ditzion, LICSW's National Provider Identifier (NPI) is 1932383650, issued on Dec 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joan Ditzion, LICSW located?
The NPPES record lists a practice address at 6 Bellevue Ave, Cambridge, MA, 02140. Phone: (617) 864-9305. Providers update this record themselves, so call before visiting.
How can I verify Joan Ditzion, LICSW's license?
NPPES lists Massachusetts license number 1017875, 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.