Kathryn J. Mas, L.C.S.W.
Clinical Social Worker · West Hartford, CT
Kathryn J. Mas, L.C.S.W. is a clinical social worker with a practice address in West Hartford, Connecticut, and NPI 1497955538, issued on Jul 18, 2007. Check the license (Connecticut 003700, 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
- Kathryn J. Mas
- Credential
- L.C.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 003700 CT
Self-reported in NPPES; status is on the state search - Practice location
- 776 Farmington Ave, West Hartford, CT 06119
- Phone
- (860) 712-8305
- Enumerated
- Jul 18, 2007
- Record last updated
- Dec 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041130000966); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 776 Farmington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Colleen Hilliard, L.M.F.T.Marriage & Family Therapist1497932644
- Robin Lapidus, ED.D.Professional Counselor1235498445
- Barry Michelson, LCSWClinical Social Worker1366690083
Verify Kathryn J. Mas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 003700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
201 clinical social worker records list a practice address in West Hartford
They are 201 of the 1,653 NPPES records with a practice address in West Hartford, 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 201 in West Hartford → All 7,729 in Connecticut → Every provider in West Hartford →
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 Kathryn J. Mas, L.C.S.W.'s NPI number?
Kathryn J. Mas, L.C.S.W.'s National Provider Identifier (NPI) is 1497955538, issued on Jul 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn J. Mas, L.C.S.W. located?
The NPPES record lists a practice address at 776 Farmington Ave, West Hartford, CT, 06119. Phone: (860) 712-8305. Providers update this record themselves, so call before visiting.
How can I verify Kathryn J. Mas, L.C.S.W.'s license?
NPPES lists Connecticut license number 003700, 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.