Mary Ann Key, LCSW
Clinical Social Worker · Columbia, CT
Mary Ann Key, LCSW is a clinical social worker with a practice address in Columbia, Connecticut, and NPI 1619044369, issued on Nov 29, 2006. Check the license with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Ann Key
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- SW7956 FL
Self-reported in NPPES; status is on the state search - Practice location
- 233 Route 6, Columbia, CT 06237
- Phone
- (860) 228-4480
- Enumerated
- Nov 29, 2006
- Entity
- Type 1 · individual
Also registered at 233 Route 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isaac Ayala, MASTER'SClinical Social Worker1689902033
- Jamize Barlow-PettifordMental Health Counselor1396135851
- Tina Duvall, MSWMental Health Counselor1235528654
- Jarlyn PhillipsMarriage & Family Therapist1548674245
Verify Mary Ann Key in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
11 clinical social worker records list a practice address in Columbia
They are 11 of the 60 NPPES records with a practice address in Columbia, 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 11 in Columbia → All 7,729 in Connecticut → Every provider in Columbia →
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 Mary Ann Key, LCSW's NPI number?
Mary Ann Key, LCSW's National Provider Identifier (NPI) is 1619044369, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Key, LCSW located?
The NPPES record lists a practice address at 233 Route 6, Columbia, CT, 06237. Phone: (860) 228-4480. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Key, LCSW's license?
Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.