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

Grechen Holthausen

Individual provider Clinical Social Worker · NPI 1174972780

Grechen Holthausen is a Clinical Social Worker in Guilford, Connecticut. Licensed in Connecticut. Registered with an NPI since 2016.

Licensed in
CT
In the registry since
2016

Practice location Address checks out

36 Graves Ave
Guilford, CT 06437-2626
Phone: (203) 453-8047
Fax: (203) 453-8044
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 2986 (CT)

Record details

NPI number1174972780
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 6, 2016
Last updated in NPPESJune 6, 2016
Mailing address36 Graves Ave, Guilford, CT 06437-2626

Other providers in Guilford