Diane C. Lafferty, MSW, LCSW
Clinical Social Worker · Watertown, CT
Diane C. Lafferty, MSW, LCSW is a clinical social worker with a practice address in Watertown, Connecticut, and NPI 1174965719, issued on Jul 24, 2013. Check the license (Connecticut 5346, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diane C. Lafferty
- Credential
- MSW, LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 5346 CT
Self-reported in NPPES; status is on the state search - Practice location
- 27 Siemon Company Dr 111S, Watertown, CT 06795
- Phone
- (203) 592-4483
- Enumerated
- Jul 24, 2013
- Record last updated
- Aug 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (860) 417-6789
- Medicare enrollment
- Enrolled (PECOS I20150923001842); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Verify Diane C. Lafferty in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 5346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diane C. Lafferty among 7,729 clinical social worker records in Connecticut
Diane C. Lafferty, MSW, 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 not. Its NPI, issued in 2013, is newer than 43% of them.
- NPI issued2013 · 43% of these records are older, 53% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1998 · median 2009 among the 1,784 with a school on file
- Record last updated2015 · 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).
24 clinical social worker records list a practice address in Watertown
They are 24 of the 222 NPPES records with a practice address in Watertown, and 7,729 clinical social worker records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,729 in Connecticut → Every provider in Watertown → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Debra Atkins, LCSWWatertown, CT 067951326589037
- Belinda Bridges, LCSWWatertown, CT 067951326427527
- Ariana Cardozo, LCSWWatertown, CT 067951336619840
- Stacey Dotson, LCSWWatertown, CT 067951548701808
- Caroline Eagan, LCSW,MSW,BSWWatertown, CT 067951043586092
- Catherine Hart, MSW.LCSW,SCSAWatertown, CT 067951043396435
- Ryan LawlorWatertown, CT 067951598237042
- Lianna LindseyWatertown, CT 067951699015081
Common questions
What is Diane C. Lafferty, MSW, LCSW's NPI number?
Diane C. Lafferty, MSW, LCSW's National Provider Identifier (NPI) is 1174965719, issued on Jul 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Diane C. Lafferty, MSW, LCSW located?
The NPPES record lists a practice address at 27 Siemon Company Dr 111S, Watertown, CT, 06795. Phone: (203) 592-4483. Providers update this record themselves, so call before visiting.
How can I verify Diane C. Lafferty, MSW, LCSW's license?
NPPES lists Connecticut license number 5346, 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. 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.