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Anesthesiology

Matthew J. Swan, MD

Sees patients in Casper, WY · Wyoming

Summary

Dr. Matthew J. Swan, MD is an anesthesiologist at 4140 Centennial Hills Blvd, Casper, WY 82609. Phone: (307) 472-8780. Accepts Medicare assignment. In 2024, Matthew J. Swan had 113 Original Medicare patients and 215 services. NPI 1154569143. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 4140 Centennial Hills Blvd, Casper, WY 82609 · Directions
  • Phone: (307) 472‑8780
  • Medicare: Accepts Medicare assignment
  • Group practice: Swan Anesthesiology PC
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew J. Swan, 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 Matthew J. Swan accept Medicare assignment?
Yes. Medicare's clinician data says Matthew J. Swan 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.
How many Medicare patients does Matthew J. Swan see?
In 2024, CMS data shows 113 Original Medicare patients and 215 services for Matthew J. Swan. This counts Original Medicare only and measures volume, not quality.
What is Matthew J. Swan's NPI number?
1154569143. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Matthew J. Swan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients113
Services billed to Medicare215
Different services or procedures21
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)34 services
  2. Ultrasonic guidance for needle placement (76942)27 services
  3. Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter (64416)22 services
  4. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)20 services
  5. Anesthesia for other procedure on top of arm bone and shoulder joint (01630)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Arthritis72%
  • High blood pressure61%
  • High cholesterol45%
  • Diabetes20%
  • Depression19%
  • Osteoporosis16%

Practice locations

Addresses where Matthew J. Swan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Matthew J. Swan as a member of this group (CMS data updated October 2, 2026).

  • Swan Anesthesiology PC2 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 Swan Anesthesiology PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154569143
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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