Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marie-Anne M Leinhaas, LCSW

Individual provider Clinical Social Worker · NPI 1437287638

Marie-Anne M Leinhaas, LCSW is a Clinical Social Worker in Westerly, Rhode Island. Qualified in 1981, 45 years ago. Practices with Gateway Healthcare Inc, a 64-clinician group and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
45
Licensed in
RI
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

11 Wells St Ste # 8
Westerly, RI 02891-2998
Phone: (401) 596-4769
Fax: (401) 596-4276
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence ISW00979 (RI)

Record details

NPI number1437287638
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 1, 2007
Last updated in NPPESJuly 9, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Gateway Healthcare Inc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Westerly