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Anesthesiology

Wojciech B. Gwarnicki, MD

Works at hospitals in Castle Rock, CO · Parker, CO · Colorado

Summary

Dr. Wojciech B. Gwarnicki, MD is an anesthesiologist at 1501 S Potomac St, The Medical Center of Aurora, Aurora, CO 80012. Phone: (303) 438-3999. Accepts Medicare assignment. In 2024, Wojciech B. Gwarnicki had 215 Original Medicare patients and 255 services. NPI 1437545928. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1501 S Potomac St, The Medical Center of Aurora, Aurora, CO 80012 · Directions
  • Phone: (303) 438‑3999
  • Medicare: Accepts Medicare assignment
  • Hospitals: AdventHealth Castle Rock, AdventHealth Parker
  • Group practice: US Anesthesia Partners of Colorado Inc
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Wojciech B. Gwarnicki, 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 Wojciech B. Gwarnicki accept Medicare assignment?
Yes. Medicare's clinician data says Wojciech B. Gwarnicki 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 Wojciech B. Gwarnicki see?
In 2024, CMS data shows 215 Original Medicare patients and 255 services for Wojciech B. Gwarnicki. This counts Original Medicare only and measures volume, not quality.
What is Wojciech B. Gwarnicki's NPI number?
1437545928. 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 Wojciech B. Gwarnicki, 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 patients215
Services billed to Medicare255
Different services or procedures59
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)44 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)19 services
  3. Anesthesia for procedure for total knee joint replacement (01402)15 services
  4. Anesthesia for procedure on small and large bowel using an endoscope (00813)14 services
  5. Other procedure on nervous system (64999)12 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).

  • High cholesterol74%
  • High blood pressure70%
  • Arthritis62%
  • Anxiety31%
  • Depression29%
  • Ischemic heart disease27%

Hospitals where Wojciech B. Gwarnicki works

Medicare's Facility Affiliation Data lists Wojciech B. Gwarnicki 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.

  • AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060125
  • AdventHealth ParkerParker, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060114

Practice locations

Addresses where Wojciech B. Gwarnicki is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Wojciech B. Gwarnicki as a member of this group (CMS data updated October 2, 2026).

  • US Anesthesia Partners of Colorado Inc461 clinicians in the group

Specialties

Find other Anesthesiology doctors in Colorado →

Other anesthesiologists in Aurora

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

All anesthesiologists in Aurora →

Other clinicians in US Anesthesia Partners of Colorado Inc

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437545928
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians