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Internal Medicine

Elizabeth L. Marshall, MD

Sees patients in Arapahoe, WY · Wyoming

Summary

Dr. Elizabeth L. Marshall, MD is an internal medicine doctor at 14 Great Plains Rd, Arapahoe, WY 82510. May accept Medicare assignment. In 2024, Elizabeth L. Marshall had 78 Original Medicare patients and 854 services. NPI 1528454956. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 14 Great Plains Rd, Arapahoe, WY 82510 · Directions
  • Medicare: May accept Medicare assignment
  • Group practice: Wind River Family and Community Healthc Care
  • Medical school: Warren Alpert Medical School Of Brown University · graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elizabeth L. Marshall, 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 L. Marshall accept Medicare assignment?
Medicare's clinician data says Elizabeth L. Marshall may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Elizabeth L. Marshall see?
In 2024, CMS data shows 78 Original Medicare patients and 854 services for Elizabeth L. Marshall. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth L. Marshall's NPI number?
1528454956. 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 L. Marshall, 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 patients78
Services billed to Medicare854
Different services or procedures97
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)92 services
  2. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)67 services
  3. Insertion of needle into vein for collection of blood sample (36415)45 services
  4. Blood test, comprehensive group of blood chemicals (80053)39 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)20 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 pressure60%
  • Diabetes47%
  • Arthritis47%
  • Chronic kidney disease38%
  • High cholesterol28%
  • Ischemic heart disease22%

Practice locations

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

  • 14 Great Plains RdArapahoe, WY 82510

Group practices

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

  • Wind River Family and Community Healthc Care42 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wyoming →

Other internal medicine doctors in Wyoming

Clinicians with the same Medicare primary specialty in Wyoming — not a recommendation.

All internal medicine doctors in Wyoming →

Other clinicians in Wind River Family and Community Healthc Care

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

Clinician information

CredentialMD
Medical schoolWarren Alpert Medical School Of Brown University
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1528454956
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians