Stephen T. Kajdasz, MD

Medicare activity in 2024

Official CMS public-use data for Stephen T. Kajdasz, 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.

Most frequent services

1. Anesthesia for lens surgery (00142)96 services
2. Anesthesia for procedure for total knee joint replacement (01402)18 services
3. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)18 services
4. Anesthesia for total hip replacement (01214)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).

• High cholesterol66%
• High blood pressure59%
• Arthritis58%
• Ischemic heart disease26%
• Depression20%
• Anxiety18%

Hospitals where Stephen T. Kajdasz works

Medicare's Facility Affiliation Data lists Stephen T. Kajdasz 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.

• Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027

Practice locations

Addresses where Stephen T. Kajdasz is enrolled with Medicare (CMS data updated October 2, 2026).

• 4747 Arapahoe AveBoulder, CO 80303 (303) 415‑7000

Group practices

Medicare enrollment lists Stephen T. Kajdasz as a member of this group (CMS data updated October 2, 2026).

• Boulder Valley Anesthesiology, PLLC61 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Colorado →

Other anesthesiologists in Boulder

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

• Erich N. Marks, MD
• Cyrus Mirshab, MD
• Kevin T. Arnold, MD
• Brittany L. Collins, DO
• Andrew C. Sullivan, MD
• Kenyon S. Morrow, MD
• Thomas Quigley, MD
• Owen G. Ellis, MD

All anesthesiologists in Boulder →

Other clinicians in Boulder Valley Anesthesiology, PLLC

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

• Erich N. Marks, MD
• Cyrus Mirshab, MD
• Kevin T. Arnold, MD
• Brittany L. Collins, DO
• Joao P. Reinhard, MD
• Cristina Stoica, MD

Clinician information

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