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Anesthesiology

William Madry, MD

Works at hospitals in Greeley, CO · Colorado

Summary

William Madry, MD (Anesthesiology) is listed by Medicare at 1 hospital in Greeley, CO. NPI 1457813180. 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 Madry, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
MaleGender (as listed)
Rocky Mountain State Anesthesia ProvidersGroup practice

Quick answers

Which hospitals does William Madry work at?
Medicare's official clinician data lists William Madry at 1 hospital: Banner North Colorado Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Madry see patients?
Medicare's clinician data lists 1 practice location in Greeley, CO. Call before your visit to confirm the address.
What is William Madry's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does William Madry accept Medicare assignment?
Yes. Medicare's clinician data says William Madry 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 Madry?
(970) 810-4121, as listed in official Medicare / NPI Registry data.
What is William Madry's NPI number?
1457813180. 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 Madry works

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

Group practices

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

  • Rocky Mountain State Anesthesia Providers50 clinicians in the group

Specialties

Find other Anesthesiology doctors in Colorado →

Other anesthesiologists in Greeley

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

All anesthesiologists in Greeley →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457813180
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