Dwinnells Behavioral Health LLC
NPI 1164222519 · Mental Health Counselor · Holliston, MA
Dwinnells Behavioral Health LLC is a Mental Health Counselor organization in Holliston, MA (NPI 1164222519).
Provider details
- NPI number
- 1164222519
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- William Dwinnells, Owner(978) 254-4119
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-03-14
- Last updated
- 2025-03-14
- Certified
- 2025-03-14
Frequently asked questions
- What is Dwinnells Behavioral Health LLC's NPI number?
- Dwinnells Behavioral Health LLC's National Provider Identifier (NPI) is 1164222519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dwinnells Behavioral Health LLC?
- Dwinnells Behavioral Health LLC is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Dwinnells Behavioral Health LLC located?
- Dwinnells Behavioral Health LLC's practice location on file with NPPES is 360 Woodland St, Holliston, MA 01746-1826.
- What is Dwinnells Behavioral Health LLC's phone number?
- The practice phone number listed in the NPPES registry for Dwinnells Behavioral Health LLC is (978) 254-4119.
- Who is the authorized official for Dwinnells Behavioral Health LLC?
- The authorized official listed on Dwinnells Behavioral Health LLC's NPPES record is William Dwinnells, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dwinnells Behavioral Health LLC's NPI active?
- Yes — Dwinnells Behavioral Health LLC's NPI (1164222519) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.