David Duffield, LCSW
Clinical Social Worker · Mansfield Center, CT
David Duffield, LCSW is a clinical social worker with a practice address in Mansfield Center, Connecticut, and NPI 1245809730, issued on Jun 21, 2021. Check the license (Connecticut 12558, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Duffield
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 12558 CT
Self-reported in NPPES; status is on the state search - Practice location
- 140 N Frontage RD, Mansfield Center, CT 06250
- Phone
- (860) 456-2261
- Enumerated
- Jun 21, 2021
- Record last updated
- May 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20230126003448); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 140 N Frontage RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Adams, LMSWSocial Worker1033992797
- Arianna Agati, LMSWSocial Worker1023796695
- Addison Belcamino, LMSWSocial Worker1033089743
- Rebecca Belliveau Herman, LMSWSocial Worker1346040334
- Jessica Benavidez, LPCProfessional Counselor1295428209
- Andrew Botelho, LPC-AProfessional Counselor1295621472
Verify David Duffield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 12558Check 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
- United Services IncMansfield Center, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Duffield among 7,729 clinical social worker records in Connecticut
David Duffield, LCSW is one of 7,729 clinical social worker records with a practice address in Connecticut. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.
- NPI issued2021 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2020 · median 2009 among the 1,784 with a school on file
- Record last updated2025 · 59% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 clinical social worker records list a practice address in Mansfield Center
They are 52 of the 295 NPPES records with a practice address in Mansfield Center, and 7,729 clinical social worker records in Connecticut.
All 7,729 in Connecticut → Every provider in Mansfield Center → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Michael Asinas, LICSWMansfield Center, CT 062501811179732
- Joann Averill, LCSWMansfield Center, CT 062501285766451
- Susan Blayer, LCSW, MDIVMansfield Center, CT 062501225172281
- Nancy D'Angelo, LCSWMansfield Ctr, CT 062501982934527
- Irene Demers, LCSWMansfield Center, CT 062501295065324
- Lynn Dove, LCSWMansfield Center, CT 062501992847305
- Bryan Hall, MSWMansfield Center, CT 062501063749356
- Jennifer Lombardi, LCSWMansfield Center, CT 062501689806424
Common questions
What is David Duffield, LCSW's NPI number?
David Duffield, LCSW's National Provider Identifier (NPI) is 1245809730, issued on Jun 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David Duffield, LCSW located?
The NPPES record lists a practice address at 140 N Frontage RD, Mansfield Center, CT, 06250. Phone: (860) 456-2261. Providers update this record themselves, so call before visiting.
How can I verify David Duffield, LCSW's license?
NPPES lists Connecticut license number 12558, as entered by the provider. Search the Connecticut 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.