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Orthopedic Surgery

Michael S. Sisk, MD

Works at hospitals in Valentine, NE · Rock Springs, WY · Julesburg, CO … · Nebraska, Wyoming, Colorado

Summary

Michael S. Sisk, MD (Orthopedic Surgery) is listed by Medicare at 5 hospitals in Valentine, NE, Rock Springs, WY and Julesburg, CO and other places. NPI 1700802535. 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. Sisk, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
University Of Colorado School Of Medicine, DenverMedical school
MaleGender (as listed)
Cheyenne County Hospital Association IncGroup practice (+4 more)

Quick answers

Which hospitals does Michael S. Sisk work at?
Medicare's official clinician data lists Michael S. Sisk at 5 hospitals: Cherry County Hospital, Memorial Hospital Sweetwater County, Sedgwick County Memorial Hospital, Sidney Regional Medical Center and South Lincoln Medical Center - CAH. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael S. Sisk see patients?
Medicare's clinician data lists 5 practice locations, including Sidney, NE, Kemmerer, WY and Rock Springs, WY. Call before your visit to confirm the address.
What is Michael S. Sisk's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Michael S. Sisk accept Medicare assignment?
Yes. Medicare's clinician data says Michael S. Sisk 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. Sisk?
(307) 352-8900, as listed in official Medicare / NPI Registry data.
What is Michael S. Sisk's NPI number?
1700802535. 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. Sisk works

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

  • 1000 Pole Creek XingSidney, NE 69162
  • 1105 Cedar AveKemmerer, WY 83101
  • 4401 College DrRock Springs, WY 82901 (307) 352‑8900
  • 510 N Green StValentine, NE 69201 (402) 376‑2525
  • 711 Onyx StKemmerer, WY 83101

Group practices

Medicare enrollment lists Michael S. Sisk as a member of these groups (CMS data updated 2026-10-02).

  • Cheyenne County Hospital Association Inc48 clinicians in the group
  • Orthopaedics of Steamboat Springs PC27 clinicians in the group
  • Cherry County Hospital25 clinicians in the group
  • South Lincoln Hospital District11 clinicians in the group
  • Aspen Mountain Physician Practice Management LLC7 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Nebraska →

Other orthopedic surgeons in Nebraska

Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.

All orthopedic surgeons in Nebraska →

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700802535
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