Catherine Leonardi, MSW, LCSW
Clinical Social Worker · Old Saybrook, CT
Catherine Leonardi, MSW, LCSW is a clinical social worker with a practice address in Old Saybrook, Connecticut, and NPI 1669552378, issued on Oct 17, 2006. Check the license (Connecticut 000428, 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
- Catherine Leonardi
- Credential
- MSW, LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 000428 CT
Self-reported in NPPES; status is on the state search - Practice location
- 191 Main St, Old Saybrook, CT 06475
- Phone
- (860) 388-3844
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 388-1689
- Entity
- Type 1 · individual
Also registered at 191 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kassandra Barret, LCSWClinical Social Worker1124682646
- Ann Vandermaelen, PH.D.Clinical Psychologist1003845546
Verify Catherine Leonardi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 000428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46 clinical social worker records list a practice address in Old Saybrook
They are 46 of the 308 NPPES records with a practice address in Old Saybrook, 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 46 in Old Saybrook → All 7,729 in Connecticut → Every provider in Old Saybrook →
Other clinical social worker records in Connecticut
- Pirjo Aalto-Fischer, LCSWNew Haven, CT1225473655
- Lois Aaron, MSWWest Hartford, CT1447317185
- Lisa AaronbergDanielson, CT1740176510
- Ingrid AaronsNorwalk, CT1952119158
- Kori Abarzua, LCSWBristol, CT1891419578
- Jessica Abate, LCSWWest Simsbury, CT1467670596
- Laura Abbatemarco, M.S.W.West Hartford, CT1801067459
- Luciano Abbatemarco, LCSWHartford, CT1891096764
- Daisy Abbott, LCSWMiddletown, CT1831112424
- Khalilah AbdulrahimWoodbridge, CT1063087914
Common questions
What is Catherine Leonardi, MSW, LCSW's NPI number?
Catherine Leonardi, MSW, LCSW's National Provider Identifier (NPI) is 1669552378, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Leonardi, MSW, LCSW located?
The NPPES record lists a practice address at 191 Main St, Old Saybrook, CT, 06475. Phone: (860) 388-3844. Providers update this record themselves, so call before visiting.
How can I verify Catherine Leonardi, MSW, LCSW's license?
NPPES lists Connecticut license number 000428, 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.