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Anesthesiology

Nathan R. Clark, MD

Works at hospitals in Casper, WY · Wyoming

Summary

Dr. Nathan R. Clark, MD is an anesthesiologist at 1201 E 3rd St, Suite C, Casper, WY 82601. Phone: (307) 577-2950. Accepts Medicare assignment. NPI 1588242937. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1201 E 3rd St, Suite C, Casper, WY 82601 · Directions
  • Phone: (307) 577‑2950
  • Medicare: Accepts Medicare assignment
  • Hospital: Banner Wyoming Medical Center
  • Group practice: Wyoming Anesthesia, LLC
  • Medical school: University Of Colorado School Of Medicine, Aurora · graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nathan R. Clark, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Nathan R. Clark accept Medicare assignment?
Yes. Medicare's clinician data says Nathan R. Clark accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Nathan R. Clark's NPI number?
1588242937. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nathan R. Clark works

Medicare's Facility Affiliation Data lists Nathan R. Clark at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Nathan R. Clark is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nathan R. Clark as a member of this group (CMS data updated October 2, 2026).

  • Wyoming Anesthesia, LLC17 clinicians in the group

Specialties

Find other Anesthesiology doctors in Wyoming →

Other anesthesiologists in Casper

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

All anesthesiologists in Casper →

Other clinicians in Wyoming Anesthesia, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Aurora
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588242937
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians