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

MS. Heidi Lynn Grantz, LCSW

Individual provider Clinical Social Worker · NPI 1881863439

MS. Heidi Lynn Grantz, LCSW is a Clinical Social Worker in New Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2008.

Licensed in
CT
In the registry since
2008
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

350 George St
New Haven, CT 06511-6617
Phone: (203) 737-5814
Fax: (203) 737-5455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 006203 (CT)

Record details

NPI number1881863439
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedFebruary 28, 2008
Last updated in NPPESJanuary 8, 2021
Certification dateJanuary 8, 2021

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