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Internal Medicine

Duncan McGregor, MD

Works at hospitals in Grand Junction, CO · Delta, CO · Fruita, CO … · Colorado

Summary

Duncan McGregor, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Grand Junction, CO, Delta, CO and Fruita, CO and other places. NPI 1144409483. 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 Duncan McGregor, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
31Years since medical school (graduated 1995)
MaleGender (as listed)
Intermountain Medical Group Grand Junction, LLCGroup practice

Quick answers

Which hospitals does Duncan McGregor work at?
Medicare's official clinician data lists Duncan McGregor at 5 hospitals: Community Hospital, Delta County Memorial Hospital, Family Health West Hospital, Intermountain Health St. Mary's Regional Hospital and Montrose Regional Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Duncan McGregor see patients?
Medicare's clinician data lists 1 practice location in Grand Junction, CO. Call before your visit to confirm the address.
What is Duncan McGregor's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Duncan McGregor accept Medicare assignment?
Yes. Medicare's clinician data says Duncan McGregor 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.
Does Duncan McGregor offer telehealth?
Medicare's clinician data says Duncan McGregor offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Duncan McGregor?
(970) 298-3150, as listed in official Medicare / NPI Registry data.
What is Duncan McGregor's NPI number?
1144409483. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Duncan McGregor works

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

Group practices

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

  • Intermountain Medical Group Grand Junction, LLC296 clinicians in the group

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Grand Junction

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

All internal medicine doctors in Grand Junction →

Clinician information

CredentialMD
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144409483
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