DR. MATTHEW CHRISTOPHER MASON DO
NPI 1659878254
Pediatrics in Waterville, ME
About Dr. Matthew Christopher Mason Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW CHRISTOPHER MASON DO (NPI 1659878254) is an individual pediatrics provider in Waterville, Maine, licensed in Maine (DO3254) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Matthew Christopher Mason Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WATERVILLE, ME 04901
WATERVILLE, ME 04901
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Matthew Mason's NPI number?
The NPI number for Matthew Mason is 1659878254. It was assigned to this individual provider in the NPPES registry on April 10, 2018.
Where is Matthew Mason located?
Matthew Mason practices at 295C Kennedy Memorial Dr Ste 1, Waterville, ME 04901. The listed phone number is (207) 873-5437.
What is Matthew Mason's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Matthew Mason enrolled in Medicare?
Yes. Matthew Mason is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Matthew Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Mason reassigns Medicare benefits to Mainegeneral Medical Center (Augusta, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Matthew Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Mason accept?
Health plans from Anthem Blue Cross and Blue Shield list Matthew Mason as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Matthew Mason was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.