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Internal Medicine

Dallin M. Ollerton, MD

Sees patients in West Haven, UT · Nephi, UT · Utah

Summary

Dr. Dallin M. Ollerton, MD is an internal medicine doctor at 2765 W 1900, West Haven, UT 84401. May accept Medicare assignment. NPI 1023768959. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2765 W 1900, West Haven, UT 84401 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: University Of Utah School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Dallin M. Ollerton, 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 Dallin M. Ollerton accept Medicare assignment?
Medicare's clinician data says Dallin M. Ollerton may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Dallin M. Ollerton's NPI number?
1023768959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

  • 2765 W 1900West Haven, UT 84401
  • 48 W 1500Nephi, UT 84648

Specialties

Find other Internal Medicine doctors in Utah →

Other internal medicine doctors in Utah

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

All internal medicine doctors in Utah →

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1023768959
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians