Joanna Katsos, LICSW
Clinical Social Worker · Boston, MA
Joanna Katsos, LICSW is a clinical social worker with a practice address in Boston, Massachusetts, and NPI 1255705661, issued on Nov 23, 2015. Check the license (Massachusetts 123334, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanna Katsos
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 123334 MA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Dimock St, Boston, MA 02119
- Phone
- (617) 442-8800
- Enumerated
- Nov 23, 2015
- Record last updated
- Apr 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190716002995); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 45 Dimock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Lowe, ODOptometrist1497495113
- Heather Pina-CenteioClinical Social Worker1093202640
- Jamelia WillockClinical Social Worker1588580724
Verify Joanna Katsos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 123334Check 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
- Dimock Community Health Center, Inc.Roxbury, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Katsos among 17,815 clinical social worker records in Massachusetts
Joanna Katsos, LICSW 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 2015, is newer than 55% of them.
- NPI issued2015 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2016 · median 2004 among the 3,059 with a school on file
- Record last updated2021 · 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).
1,906 clinical social worker records list a practice address in Boston
They are 1,906 of the 41,865 NPPES records with a practice address in Boston, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Boston → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Rachael Bowers, MSW, LICSWRoxbury, MA 021191417096611
- Talia Bruce, LICSWRoxbury, MA 021191801924212
- Lauren Butler, L.I.C.S.W.Boston, MA 021191922203926
- John Carven, LICSWRoxbury, MA 021191871628115
- Sonja Dixons, MSW INTERNRoxbury, MA 021191679645436
- Lisa Duniec-Vergakis, LICSWRoxbury, MA 021191093891087
- Paulina Heywood, MSW/LICSWRoxbury, MA 021191609950336
- Michelle McWilliams, HEALTH EDUCATORBoston, MA 021191255451175
Common questions
What is Joanna Katsos, LICSW's NPI number?
Joanna Katsos, LICSW's National Provider Identifier (NPI) is 1255705661, issued on Nov 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Katsos, LICSW located?
The NPPES record lists a practice address at 45 Dimock St, Boston, MA, 02119. Phone: (617) 442-8800. Providers update this record themselves, so call before visiting.
How can I verify Joanna Katsos, LICSW's license?
NPPES lists Massachusetts license number 123334, 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. 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.