Holli A. Horak, MD

Medicare activity in 2024

Official CMS public-use data for Holli A. Horak, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)121 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)114 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)98 services
4. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)84 services
5. Needle measurement of electrical activity in arm or leg muscles, limited study (95885)32 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 cholesterol75%
• High blood pressure69%
• Arthritis57%
• Depression32%
• Ischemic heart disease31%
• Osteoporosis26%

Hospitals where Holli A. Horak works

Medicare's Facility Affiliation Data lists Holli A. Horak 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.

• Banner - University Medical Center Tucson CampusTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030064
• Banner-University Medical Center South CampusTucson, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030111

Practice locations

Addresses where Holli A. Horak is enrolled with Medicare (CMS data updated October 2, 2026).

• 2800 E Ajo WayTucson, AZ 85713
• 3838 N Campbell AveTucson, AZ 85719
• 535 N Wilmot Rd, Suite 101Tucson, AZ 85711 (520) 694‑5437

Group practices

Medicare enrollment lists Holli A. Horak as a member of this group (CMS data updated October 2, 2026).

• Banner-University Medical Group1,072 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Arizona →

Other neurologists in Tucson

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

• Lloyd R. Anderson, MD
• Steven Z. Rapcsak, MD
• Sudeshna C. Bose, MD
• Bruce M. Coull, MD
• Yeeck S. Sim, MD
• David R. Siegel, MD
• William H. Noland, MD
• Francisco R. Valdivia, MD

All neurologists in Tucson →

Other clinicians in Banner-University Medical Group

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

• Kenneth W. Liechty, MD
• Christian O. Twiss, MD
• Talha Riaz, MD
• Galen P. Garcia, MD
• Amy N. Sussman, MD
• Ahmad Aouthmany, 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