NPPES file of Aug 9, 2026

Matthew Donald Mason, CNP

Acute Care Nurse Practitioner · Weymouth, MA

Matthew Donald Mason, CNP is an acute care nurse practitioner with a practice address in Weymouth, Massachusetts, and NPI 1750153821, issued on Oct 23, 2023. Check the license (Massachusetts RN2318186, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750153821
Name
Matthew Donald Mason
Credential
CNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
RN2318186 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fogg Road, Weymouth, MA 02190
Phone
(781) 624-8000
Enumerated
Oct 23, 2023
Record last updated
May 8, 2025
Medicare enrollment
Enrolled (PECOS I20250605001301); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →

Also registered at 55 Fogg Road

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Giangola, M.D.Surgery Physician1093030256
  2. Todd Kerensky, M.D.Addiction Medicine (Internal Medicine) Physician1033371299
  3. Maurice Loeffel, MDEmergency Medicine Physician1548228042
  4. Ari Moskowitz, MDCritical Care Medicine (Anesthesiology) Physician1083908867
  5. Karen Murphy-Fitch, CNMAdvanced Practice Midwife1750433405
  6. Philip O'Sullivan, M.D.Diagnostic Radiology Physician1760420046

Verify Matthew Donald Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2318186    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Coastal Medical AssociatesWeymouth, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Donald Mason among 598 acute care nurse practitioner records in Massachusetts

Matthew Donald Mason, CNP is one of 598 acute care nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 86% of them.

  • NPI issued2023 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2024 · median 2016 among the 341 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Massachusetts

There are 598 acute care nurse practitioner records in Massachusetts.

All 598 in Massachusetts → Every provider in Weymouth → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Samuel Barnard, AGACNPSouth Weymouth, MA 021901508588823
  2. Kimberly Barnett, AG-ACNP-BC, DNPSouth Weymouth, MA 021901487108767
  3. Christine Grant, NPWeymouth, MA 021901285288746
  4. Priscilla Mello, RNWeymouth, MA 021901285455352
  5. Sallie Zanoni, ACNPSouth Weymouth, MA 021901841506599
  6. Elizabeth Lopes-Costa, NPWeymouth, MA 021891184176810
  7. Krysta Stapleton Augustinos, ACNPN Weymouth, MA 021911922344688
  8. Sandy Hunt, AGAC NP-BCWeymouth, MA 021881295397545

Common questions

What is Matthew Donald Mason, CNP's NPI number?

Matthew Donald Mason, CNP's National Provider Identifier (NPI) is 1750153821, issued on Oct 23, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Donald Mason, CNP located?

The NPPES record lists a practice address at 55 Fogg Road, Weymouth, MA, 02190. Phone: (781) 624-8000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Donald Mason, CNP's license?

NPPES lists Massachusetts license number RN2318186, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.