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Physician Assistant

Elizabeth M. Messier, PA

Works at hospitals in Norwich, CT · Connecticut

Summary

Elizabeth M. Messier, PA is a physician assistant at 326 Washington St, Norwich, CT 06360. Phone: (860) 889-8331. Accepts Medicare assignment. In 2024, Elizabeth M. Messier had 171 Original Medicare patients and 208 services. NPI 1467052217. 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: 326 Washington St, Norwich, CT 06360 · Directions (1 more location)
  • Phone: (860) 889‑8331
  • Medicare: Accepts Medicare assignment
  • Hospital: William W Backus Hospital
  • Group practice: The William W Backus Hospital
  • School: graduated 2020
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elizabeth M. Messier, 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 Elizabeth M. Messier accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth M. Messier 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 Elizabeth M. Messier see?
In 2024, CMS data shows 171 Original Medicare patients and 208 services for Elizabeth M. Messier. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth M. Messier's NPI number?
1467052217. 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 Elizabeth M. Messier, 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 patients171
Services billed to Medicare208
Different services or procedures11
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)110 services
  2. Emergency department visit with high level of medical decision making (99285)60 services
  3. Emergency department visit with low level of medical decision making (99283)22 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 blood pressure74%
  • High cholesterol71%
  • Arthritis52%
  • Anxiety48%
  • Depression35%
  • COPD35%

Hospitals where Elizabeth M. Messier works

Medicare's Facility Affiliation Data lists Elizabeth M. Messier 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.

  • William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024

Practice locations

Addresses where Elizabeth M. Messier is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elizabeth M. Messier as a member of this group (CMS data updated October 2, 2026).

  • The William W Backus Hospital249 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Connecticut →

Other physician assistants in Norwich

Clinicians with the same Medicare primary specialty in Norwich, CT — not a recommendation.

All physician assistants in Norwich →

Other clinicians in The William W Backus Hospital

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

Clinician information

CredentialPA
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467052217
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