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

MS. Rhiannon Nicole Chiacchiaro, LMHC

Individual provider Mental Health Counselor · NPI 1992370589

MS. Rhiannon Nicole Chiacchiaro, LMHC is a Mental Health Counselor in Westborough, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2021.

Licensed in
MA
In the registry since
2021
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Practice location Address checks out

57 E Main St Ste 217
Westborough, MA 01581-1457
Phone: (201) 658-6396
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LMHC10004502 (MA)

Record details

NPI number1992370589
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC
Sole proprietorNo
NPI enumeratedMay 25, 2021
Last updated in NPPESJuly 30, 2025
Certification dateJuly 30, 2025

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