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Family Practice

Robert A. Mason, MD

Works at hospitals in Greeley, CO · Colorado

Summary

Robert A. Mason, MD (Family Practice) is listed by Medicare at 1 hospital in Greeley, CO. NPI 1821005992. 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 Robert A. Mason, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
University Of Texas Medical School At San AntonioMedical school
MaleGender (as listed)
Banner Health Physicians Colorado LLCGroup practice

Quick answers

Which hospitals does Robert A. Mason work at?
Medicare's official clinician data lists Robert A. Mason at 1 hospital: Banner North Colorado Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert A. Mason see patients?
Medicare's clinician data lists 4 practice locations, including Eaton, CO, Greeley, CO and Fort Collins, CO. Call before your visit to confirm the address.
What is Robert A. Mason's specialty?
Medicare lists Family Practice as the primary specialty.
Does Robert A. Mason accept Medicare assignment?
Yes. Medicare's clinician data says Robert A. Mason 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 Robert A. Mason?
(970) 454-3838, as listed in official Medicare / NPI Registry data.
What is Robert A. Mason's NPI number?
1821005992. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert A. Mason works

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

Group practices

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

  • Banner Health Physicians Colorado LLC261 clinicians in the group

Specialties

Find other Family Practice doctors in Colorado →

Other family doctors in Eaton

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

All family doctors in Eaton →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821005992
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