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MATTHEW DONALD MASON CNP
NPI 1750153821
Nurse Practitioner - Acute Care in Weymouth, MA

Active since October 23, 2023PECOS EnrolledAccepts Medicare Assignment
55 FOGG ROAD, WEYMOUTH, MA 02190(781) 624-8000 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2025, Oct 23, 2023 (2 updates tracked since 2023).

About Matthew Donald Mason Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTHEW DONALD MASON CNP (NPI 1750153821) is an individual acute care provider in Weymouth, Massachusetts, licensed in Massachusetts (RN2318186) and active in the NPI registry since October 2023. He is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1750153821
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMATTHEW DONALD MASONCredential: CNP
Location Address55 FOGG ROADWeymouth, MA 02190
Mailing Address172 Dean St Unit 6aTaunton, MA 02780-2785 · (774) 274-3901
Phone(781) 624-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 23, 2023
Last NPPES UpdateMay 8, 20252 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1750153821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MA · RN2318186
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2318186 (MA)
55 FOGG ROAD, Weymouth, MA 02190
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Matthew Donald Mason Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022527431
PECOS Enrollment IDI20250605001301
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220100
Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02190 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TODD ALAN KERENSKY M.D.
Internal Medicine (Addiction Medicine)
55 FOGG ROAD
WEYMOUTH, MA 02190
Norfolk County (781) 624-8000
ARI LEV MOSKOWITZ MD
Anesthesiology (Critical Care Medicine)
55 FOGG ROAD
WEYMOUTH, MA 02190
Norfolk County (781) 624-8000
DR. MATTHEW D GIANGOLA M.D.
Surgery
55 FOGG ROAD
WEYMOUTH, MA 02190
Norfolk County (781) 792-4136
SOUTH SHORE HOSPITAL INC.
General Acute Care Hospital
55 FOGG ROAD
SOUTH WEYMOUTH, MA 02190
Norfolk County (781) 340-8000
SARAH-ANN FERRARA RD, LDN
Dietitian, Registered
55 FOGG ROAD, DIETITIAN'S OFFICE - EMERSON 2
SOUTH WEYMOUTH, MA 02190
Norfolk County (781) 624-8935
DR. DIANA VANESSA PERRY MD
Pediatrics
55 FOGG ROAD, SOUTH SHORE MEDICAL CENTER
SOUTH WEYMOUTH, MA 02190
Norfolk County (781) 340-8373
MS. GAYLE E DAVIDSON BSN, CRRN, CDE
Registered Nurse (Diabetes Educator)
55 FOGG ROAD, SOUTH SHORE HOSPITAL DIABETES CENTER
SOUTH WEYMOUTH, MA 02190
Norfolk County (781) 624-4164
MR. RYAN J SULLIVAN M.D.
Emergency Medicine
55 FOGG ROAD
WEYMOUTH, MA 02190
Norfolk County (781) 624-8000

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 1750153821. It was assigned to this individual provider in the NPPES registry on October 23, 2023.

Where is Matthew Mason located?

Matthew Mason practices at 55 Fogg Road, Weymouth, MA 02190. The listed phone number is (781) 624-8000.

What is Matthew Mason's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Matthew Mason enrolled in Medicare?

Yes. Matthew Mason is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

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.

Is Matthew Mason affiliated with any hospitals?

According to CMS data, Matthew Mason is affiliated with South Shore Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Mason was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.