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Internal Medicine

Elizabeth V. Guenzel, MD

Works at hospitals in Layton, UT · Ogden, UT · Utah

Summary

Dr. Elizabeth V. Guenzel, MD is an internal medicine doctor at 4401 Harrison Blvd, Ogden, UT 84403. Accepts Medicare assignment. In 2024, Elizabeth V. Guenzel had 112 Original Medicare patients and 203 services. NPI 1649369695. 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 Elizabeth V. Guenzel, 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 V. Guenzel accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth V. Guenzel 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 V. Guenzel see?
In 2024, CMS data shows 112 Original Medicare patients and 203 services for Elizabeth V. Guenzel. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth V. Guenzel's NPI number?
1649369695. 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 V. Guenzel, 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 patients112
Services billed to Medicare203
Different services or procedures10
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)85 services
  2. Hospital discharge day management, more than 30 minutes (99239)44 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)31 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)18 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 pressure75%
  • High cholesterol75%
  • Chronic kidney disease68%
  • Diabetes61%
  • Heart failure55%
  • Depression54%

Hospitals where Elizabeth V. Guenzel works

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

  • 4401 Harrison BlvdOgden, UT 84403

Group practices

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

  • Ihc Health Services Inc3,960 clinicians in the group

Specialties

Find other Internal Medicine doctors in Utah →

Other internal medicine doctors in Ogden

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

All internal medicine doctors in Ogden →

Other clinicians in Ihc Health Services Inc

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649369695
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