Jennifer Underdown, LICSW
Clinical Social Worker · Greenfield, MA
Jennifer Underdown, LICSW is a clinical social worker with a practice address in Greenfield, Massachusetts, and NPI 1730224726, issued on Feb 20, 2007. Check the license (Massachusetts 114136, 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
- Jennifer Underdown
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 114136 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Fiske Ave, Greenfield, MA 01301
- Phone
- (413) 210-4359
- Enumerated
- Feb 20, 2007
- Record last updated
- Aug 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (413) 210-4359
- Medicare enrollment
- Enrolled (PECOS I20100108000475); 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 10 Fiske Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Case, LICSWClinical Social Worker1205971314
- Victoria Tilson, LMHCMental Health Counselor1316240161
Verify Jennifer Underdown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 114136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jennifer Underdown among 17,815 clinical social worker records in Massachusetts
Jennifer Underdown, 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 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 fileYes · 17% of these records are
- Graduated2004 · median 2004 among the 3,059 with a school on file
- Record last updated2011 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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 Jennifer Underdown, LICSW's NPI number?
Jennifer Underdown, LICSW's National Provider Identifier (NPI) is 1730224726, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Underdown, LICSW located?
The NPPES record lists a practice address at 10 Fiske Ave, Greenfield, MA, 01301. Phone: (413) 210-4359. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Underdown, LICSW's license?
NPPES lists Massachusetts license number 114136, 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.