Matthew Mason, DO
NPI 1659878254 · Pediatrics Physician · Waterville, ME
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Mason, DO is a Pediatrics Physician provider in Waterville, ME (NPI 1659878254).
Provider details
- NPI number
- 1659878254
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO3254 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs 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
- 2018-04-10
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Matthew Mason's NPI number?
- Matthew Mason's National Provider Identifier (NPI) is 1659878254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Mason's specialty?
- Matthew Mason is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Mason located?
- Matthew Mason's practice location on file with NPPES is 295c Kennedy Memorial Dr Ste 1, Waterville, ME 04901-4535.
- What is Matthew Mason's phone number?
- The practice phone number listed in the NPPES registry for Matthew Mason is (207) 873-5437.
- Does Matthew Mason accept Medicare?
- Matthew Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Mason's NPI active?
- Yes — Matthew Mason's NPI (1659878254) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.