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Physician Assistant

Marie B. Cadet, PA

Works at hospitals in South Weymouth, MA · Massachusetts

Summary

Marie B. Cadet, PA is a physician assistant at 141 Longwater Dr, Suite 201, Norwell, MA 02061. Phone: (781) 878-5200. Accepts Medicare assignment. In 2024, Marie B. Cadet had 519 Original Medicare patients and 1,531 services. NPI 1083650915. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 141 Longwater Dr, Suite 201, Norwell, MA 02061 · Directions (2 more locations)
  • Phone: (781) 878‑5200
  • Medicare: Accepts Medicare assignment
  • Hospital: South Shore Hospital
  • Group practice: South Shore Medical Center, Inc.
  • School: graduated 2005
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marie B. Cadet, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Marie B. Cadet accept Medicare assignment?
Yes. Medicare's clinician data says Marie B. Cadet accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Marie B. Cadet see?
In 2024, CMS data shows 519 Original Medicare patients and 1,531 services for Marie B. Cadet. This counts Original Medicare only and measures volume, not quality.
What is Marie B. Cadet's NPI number?
1083650915. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Marie B. Cadet, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients519
Services billed to Medicare1,531
Different services or procedures74
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)335 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)238 services
  3. Manual urinalysis test with examination using microscope, automated (81001)114 services
  4. Insertion of needle into vein for collection of blood sample (36415)104 services
  5. X-ray of chest, 2 views (71046)97 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol73%
  • High blood pressure66%
  • Arthritis50%
  • Anxiety31%
  • Depression22%
  • Osteoporosis21%

Hospitals where Marie B. Cadet works

Medicare's Facility Affiliation Data lists Marie B. Cadet at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220100

Practice locations

Addresses where Marie B. Cadet is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marie B. Cadet as a member of this group (CMS data updated October 2, 2026).

  • South Shore Medical Center, Inc.175 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Norwell

Clinicians with the same Medicare primary specialty in Norwell, MA — not a recommendation.

All physician assistants in Norwell →

Other clinicians in South Shore Medical Center, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083650915
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians