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Gastroenterology

William Shields, DO

Works at hospitals in Grand Junction, CO · Colorado

Summary

William Shields, DO (Gastroenterology) is listed by Medicare at 2 hospitals in Grand Junction, CO. NPI 1245203561. 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 William Shields, 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
25Years since medical school (graduated 2001)
Kansas City University Of Physicians And SurgeonsMedical school
MaleGender (as listed)
Grand Junction Gastroenterology PLLCGroup practice

Quick answers

Which hospitals does William Shields work at?
Medicare's official clinician data lists William Shields at 2 hospitals: Community Hospital and Intermountain Health St. Mary's Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Shields see patients?
Medicare's clinician data lists 1 practice location in Grand Junction, CO. Call before your visit to confirm the address.
What is William Shields's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does William Shields accept Medicare assignment?
Yes. Medicare's clinician data says William Shields 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 William Shields?
(970) 242-6600, as listed in official Medicare / NPI Registry data.
What is William Shields's NPI number?
1245203561. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William Shields works

Medicare's Facility Affiliation Data lists William Shields 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 William Shields is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William Shields as a member of this group (CMS data updated 2026-10-02).

  • Grand Junction Gastroenterology PLLC11 clinicians in the group

Specialties

Find other Gastroenterology doctors in Colorado →

Other gastroenterologists in Grand Junction

Clinicians with the same Medicare primary specialty in Grand Junction, CO — not a recommendation.

All gastroenterologists in Grand Junction →

Clinician information

CredentialDO
Medical schoolKansas City University Of Physicians And Surgeons
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245203561
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