Joseph Katz, LICSW
Clinical Social Worker · Greenfield, MA
Joseph Katz, LICSW is a clinical social worker with a practice address in Greenfield, Massachusetts, and NPI 1457048795, issued on Apr 18, 2023. Check the license (Massachusetts 126759, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Katz
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 126759 MA
Self-reported in NPPES; status is on the state search - Practice location
- 48 Sanderson St, Greenfield, MA 01301
- Phone
- (413) 773-2022
- Enumerated
- Apr 18, 2023
- Record last updated
- Apr 15, 2026
- Fax
- (413) 773-4945
- Medicare enrollment
- Enrolled (PECOS I20240904003594); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 48 Sanderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 126759Check 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
- Mass General Brigham Medical Group Western Massachusetts IncNorthampton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Katz among 17,815 clinical social worker records in Massachusetts
Joseph Katz, 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 2023, is newer than 90% of them.
- NPI issued2023 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2020 · median 2004 among the 3,059 with a school on file
- Record last updated2026 · 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).
158 clinical social worker records list a practice address in Greenfield
They are 158 of the 1,251 NPPES records with a practice address in Greenfield, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Greenfield → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Fran Fassler, LICSWGreenfield, MA 013011629046677
- Lindsey Fletcher-Lynch, LICSWGreenfield, MA 013011780625855
- Sarah Hawrylak, MSW, LICSWGreenfield, MA 013011912992611
- Rebecca King, LICSWGreenfield, MA 013011043246028
- Sue Lederer, LICSWGreenfield, MA 013011114977253
- Joan McKelvey, LICSWGreenfield, MA 013011588627152
- Patricia McManamy, LICSWGreenfield, MA 013011568405025
- Judith Meissner, LICSWGreenfield, MA 013011932156643
Common questions
What is Joseph Katz, LICSW's NPI number?
Joseph Katz, LICSW's National Provider Identifier (NPI) is 1457048795, issued on Apr 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Katz, LICSW located?
The NPPES record lists a practice address at 48 Sanderson St, Greenfield, MA, 01301. Phone: (413) 773-2022. Providers update this record themselves, so call before visiting.
How can I verify Joseph Katz, LICSW's license?
NPPES lists Massachusetts license number 126759, 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.