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Physician Assistant

Shaun G. Lalonde

Works at hospitals in Hamilton, MT · Montana

Summary

Shaun G. Lalonde is a physician assistant at 411 W Main St, Hamilton, MT 59840. Phone: (406) 363-5104. Accepts Medicare assignment. In 2024, Shaun G. Lalonde had 26 Original Medicare patients and 42 services. NPI 1386944528. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Shaun G. Lalonde, 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 Shaun G. Lalonde accept Medicare assignment?
Yes. Medicare's clinician data says Shaun G. Lalonde 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 Shaun G. Lalonde see?
In 2024, CMS data shows 26 Original Medicare patients and 42 services for Shaun G. Lalonde. This counts Original Medicare only and measures volume, not quality.
What is Shaun G. Lalonde's NPI number?
1386944528. 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 Shaun G. Lalonde, 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 patients26
Services billed to Medicare42
Different services or procedures6
Participating Medicare providerYes
Average age of these patients71

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 pressure69%
  • Diabetes42%

Hospitals where Shaun G. Lalonde works

Medicare's Facility Affiliation Data lists Shaun G. Lalonde 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.

Practice locations

Addresses where Shaun G. Lalonde is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shaun G. Lalonde as a member of this group (CMS data updated October 2, 2026).

  • Ravalli Family Medicine LLC4 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Montana →

Other physician assistants in Hamilton

Clinicians with the same Medicare primary specialty in Hamilton, MT — not a recommendation.

All physician assistants in Hamilton →

Other clinicians in Ravalli Family Medicine LLC

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

Clinician information

Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386944528
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