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Gastroenterology

Todd A. Williams, MD

Works at hospitals in Idaho Falls, ID · Rexburg, ID · Afton, WY · Idaho, Wyoming

Summary

Todd A. Williams, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Idaho Falls, ID, Rexburg, ID and Afton, WY. NPI 1437128733. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Todd A. Williams, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of New Mexico School Of MedicineMedical school
MaleGender (as listed)
Mountain View Hospital LLCGroup practice

Quick answers

Which hospitals does Todd A. Williams work at?
Medicare's official clinician data lists Todd A. Williams at 5 hospitals: Eastern Idaho Regional Medical Center, Idaho Falls Community Hospital, LLC, Madison Memorial Hospital, Mountain View Hospital and Star Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Todd A. Williams see patients?
Medicare's clinician data lists 1 practice location in Idaho Falls, ID. Call before your visit to confirm the address.
What is Todd A. Williams's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Todd A. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Todd A. Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Todd A. Williams?
(208) 557-2700, as listed in official Medicare / NPI Registry data.
What is Todd A. Williams's NPI number?
1437128733. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Todd A. Williams works

Medicare's Facility Affiliation Data lists Todd A. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Todd A. Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Todd A. Williams as a member of this group (CMS data updated 2026-10-02).

  • Mountain View Hospital LLC276 clinicians in the group

Specialties

Find other Gastroenterology doctors in Idaho →

Other gastroenterologists in Idaho Falls

Clinicians with the same Medicare primary specialty in Idaho Falls, ID — not a recommendation.

All gastroenterologists in Idaho Falls →

Clinician information

CredentialMD
Medical schoolUniversity Of New Mexico School Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437128733
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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