Provider Profile
William Mattison is a healthcare provider located in Westbrook, CT. William is also listed as specializing in massage therapist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1129 HORSE HILL RD
Westbrook, CT 06498
Dr. Mattison is listed at 1129 HORSE HILL RD, Westbrook, CT 06498. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (860) 501-7180. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mattison's National Provider Identifier is 1144010414. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Mattison has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mattison. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.