William Mattison
NPI 1144010414 · Massage Therapist · Westbrook, CT
William Mattison is a Massage Therapist provider in Westbrook, CT (NPI 1144010414).
Provider details
- NPI number
- 1144010414
- Entity type
- Individual
- Primary specialty
- Massage TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Driver172A00000X
Other 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
83% 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
- 2025-05-09
- Last updated
- 2025-07-09
- Certified
- 2025-06-30
Frequently asked questions
- What is William Mattison's NPI number?
- William Mattison's National Provider Identifier (NPI) is 1144010414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mattison's specialty?
- William Mattison is listed in the NPPES registry with a primary specialty of Massage Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Mattison located?
- William Mattison's practice location on file with NPPES is 1129 Horse Hill Rd, Westbrook, CT 06498-1404.
- What is William Mattison's phone number?
- The practice phone number listed in the NPPES registry for William Mattison is (860) 501-7180.
- Is William Mattison's NPI active?
- Yes — William Mattison's NPI (1144010414) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.