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

Dwinnells Behavioral Health LLC

Organization Mental Health Counselor · NPI 1164222519

Dwinnells Behavioral Health LLC provides Mental Health Counselor services in Holliston, Massachusetts. Registered with an NPI since 2025.

In the registry since
2025
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

360 Woodland St
Holliston, MA 01746-1826
Phone: (978) 254-4119
Fax: (508) 371-9215
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1164222519
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Dwinnells — Owner · (978) 254-4119
NPI enumeratedMarch 14, 2025
Last updated in NPPESMarch 14, 2025
Certification dateMarch 14, 2025
Mailing address40 Spyglass Hill Dr, Ashland, MA 01721-2365

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