Victor Zach, MD

Medicare activity in 2024

Official CMS public-use data for Victor Zach, 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. Critical care, first 30-74 minutes (99291)349 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)307 services
3. Critical care, each additional 30 minutes (99292)287 services
4. Measurement of brain wave activity (eeg), 61-119 minutes (95813)39 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 blood pressure75%
• High cholesterol75%
• Stroke or mini-stroke71%
• Arthritis57%
• Ischemic heart disease49%
• Depression41%

Hospitals where Victor Zach works

Medicare's Facility Affiliation Data lists Victor Zach 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.

• HonorHealth Deer Valley Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030092

Practice locations

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

• 250 E Dunlap AvePhoenix, AZ 85020 (480) 331‑6721

Group practices

Medicare enrollment lists Victor Zach as a member of this group (CMS data updated October 2, 2026).

• Neurocritical Care and Stroke of Arizona PLLC5 clinicians in the group

Specialties

• Critical Care (Intensivists)primary
• Neurologyalso

Find other Critical Care (Intensivists) doctors in Arizona →

Other critical care doctors in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

• Grzegorz G. Cieslewicz, MD
• Donald K. Maxwell, DO
• Leena K. Pawar, MD
• Frederick A. Willyerd, MD
• Manish J. Patel, MD
• Meghann L. Kaiser, MD
• Jagruti A. Patel, MD
• Erin M. Kreml, MD

All critical care doctors in Phoenix →

Other clinicians in Neurocritical Care and Stroke of Arizona PLLC

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

• Shayan Ul Haque, MD
• Ina Dervishi, MD
• Sean V. Cleymaet, MD
• Vladimir Katyshev, 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