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

Michelle M Gienau, LCSW, LLC

Organization Clinical Social Worker · NPI 1568993046

Michelle M Gienau, LCSW, LLC is a Clinical Social Worker in Old Lyme, Connecticut. Licensed in Connecticut. Registered with an NPI since 2017.

Licensed in
CT
In the registry since
2017
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

19 Halls Rd # 234
Old Lyme, CT 06371-1457
Phone: (860) 434-5398
Fax: (860) 434-5473
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 9677 (CT)

Record details

NPI number1568993046
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michelle Gienau — Owner · (860) 334-4125
NPI enumeratedMarch 25, 2017
Last updated in NPPESMarch 25, 2017
Mailing addressPo Box 122, Yantic, CT 06389-0122

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