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Family Practice

Glenn Maas, MD

Works at hospitals in Greeley, CO · Colorado

Summary

Glenn Maas, MD (Family Practice) is listed by Medicare at 1 hospital in Greeley, CO. NPI 1417393646. 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 Glenn Maas, 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
13Years since medical school (graduated 2013)
State University Of Ny Upstate Medical UniversityMedical school
MaleGender (as listed)
North Colorado Family MedicineGroup practice

Quick answers

Which hospitals does Glenn Maas work at?
Medicare's official clinician data lists Glenn Maas at 1 hospital: Banner North Colorado Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Glenn Maas see patients?
Medicare's clinician data lists 1 practice location in Greeley, CO. Call before your visit to confirm the address.
What is Glenn Maas's specialty?
Medicare lists Family Practice as the primary specialty.
Does Glenn Maas accept Medicare assignment?
Yes. Medicare's clinician data says Glenn Maas 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 Glenn Maas?
(970) 810-2424, as listed in official Medicare / NPI Registry data.
What is Glenn Maas's NPI number?
1417393646. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Glenn Maas works

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

Group practices

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

  • North Colorado Family Medicine19 clinicians in the group

Specialties

Find other Family Practice doctors in Colorado →

Other family doctors in Greeley

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

All family doctors in Greeley →

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417393646
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