Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physician Assistant

Marguerite Marschner, PA

Works at hospitals in Sandy, UT · Riverton, UT · Utah

Summary

Marguerite Marschner, PA is a physician assistant at 10150 S Petunia Way, Suite B, Sandy, UT 84092. Phone: (801) 619-9000. Accepts Medicare assignment. In 2024, Marguerite Marschner had 40 Original Medicare patients and 57 services. NPI 1295162444. 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 Marguerite Marschner, 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 Marguerite Marschner accept Medicare assignment?
Yes. Medicare's clinician data says Marguerite Marschner 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 Marguerite Marschner see?
In 2024, CMS data shows 40 Original Medicare patients and 57 services for Marguerite Marschner. This counts Original Medicare only and measures volume, not quality.
What is Marguerite Marschner's NPI number?
1295162444. 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 Marguerite Marschner, 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 patients40
Services billed to Medicare57
Different services or procedures9
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)12 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 cholesterol70%
  • High blood pressure60%
  • Arthritis50%
  • Depression33%
  • Ischemic heart disease30%
  • Chronic kidney disease30%

Hospitals where Marguerite Marschner works

Medicare's Facility Affiliation Data lists Marguerite Marschner 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 Marguerite Marschner is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marguerite Marschner as a member of this group (CMS data updated October 2, 2026).

  • Utah Gastroenterology LLC69 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Utah →

Other physician assistants in Sandy

Clinicians with the same Medicare primary specialty in Sandy, UT — not a recommendation.

All physician assistants in Sandy →

Other clinicians in Utah Gastroenterology LLC

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

Clinician information

CredentialPA
SchoolUniversity Of Utah School Of Medicine
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295162444
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