Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Michael S. Nolledo, MD

Works at hospitals in Gillette, WY · Buffalo, WY · Sheridan, WY · Wyoming

Summary

Michael S. Nolledo, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Gillette, WY, Buffalo, WY and Sheridan, WY. NPI 1154367563. 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 Michael S. Nolledo, 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
34Years since medical school (graduated 1992)
MaleGender (as listed)
Campbell County Hospital DistrictGroup practice

Quick answers

Which hospitals does Michael S. Nolledo work at?
Medicare's official clinician data lists Michael S. Nolledo at 3 hospitals: Campbell County Health, Johnson County Healthcare Center and Sheridan Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael S. Nolledo see patients?
Medicare's clinician data lists 2 practice locations, including Gillette, WY. Call before your visit to confirm the address.
What is Michael S. Nolledo's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pulmonary Disease.
Does Michael S. Nolledo accept Medicare assignment?
Yes. Medicare's clinician data says Michael S. Nolledo 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 Michael S. Nolledo?
(307) 688-1000, as listed in official Medicare / NPI Registry data.
What is Michael S. Nolledo's NPI number?
1154367563. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael S. Nolledo works

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

  • 501 S Burma AveGillette, WY 82716 (307) 688‑1000
  • 501 S Burma Ave, Fl 3Gillette, WY 82716

Group practices

Medicare enrollment lists Michael S. Nolledo as a member of this group (CMS data updated 2026-10-02).

  • Campbell County Hospital District131 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wyoming →

Other internal medicine doctors in Gillette

Clinicians with the same Medicare primary specialty in Gillette, WY — not a recommendation.

All internal medicine doctors in Gillette →

Clinician information

CredentialMD
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154367563
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