Charles Zahalka, MD

Medicare activity in 2024

Official CMS public-use data for Charles Zahalka, 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.

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 blood pressure75%
• High cholesterol71%
• Arthritis50%
• Anxiety41%
• Diabetes40%
• Ischemic heart disease33%

Hospitals where Charles Zahalka works

Medicare's Facility Affiliation Data lists Charles Zahalka 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.

• The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001
• University Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290007

Practice locations

Addresses where Charles Zahalka is enrolled with Medicare (CMS data updated October 2, 2026).

• 1301 Punchbowl StHonolulu, HI 96813 (808) 691‑1000
• 1800 W Charleston BlvdLas Vegas, NV 89102 (702) 383‑2000

Group practices

Medicare enrollment lists Charles Zahalka as a member of these groups (CMS data updated October 2, 2026).

• University Medical Center of Southern Nevada402 clinicians in the group
• Pacific Anesthesia Inc109 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Hawaii →

Other anesthesiologists in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

• Sarah Woodward, MD
• Catherine M. Oberholzer, MD
• Glenn P. Akiona, MD
• Carolyn K. Shiraki, MD
• Jennifer Jout, MD
• Audie P. Asistin, MD
• Kookjae Lee, MD
• Kathy S. Cazares, MD

All anesthesiologists in Honolulu →

Other clinicians in University Medical Center of Southern Nevada

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

• Evelyn Figueroa, NP
• Jon Banas, DO
• Ty Weller, MD
• Abegail Paner-Ching, MD
• Nicole L. Watson, PA
• Eugene Kang, 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