Katherine Y. Ignacio, MD

Medicare activity in 2024

Official CMS public-use data for Katherine Y. Ignacio, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)677 services
2. Hospital discharge day management, more than 30 minutes (99239)209 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)186 services
4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)68 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)61 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%
• Arthritis64%
• Ischemic heart disease45%
• Depression45%
• Chronic kidney disease45%

Hospitals where Katherine Y. Ignacio works

Medicare's Facility Affiliation Data lists Katherine Y. Ignacio 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.

• Trinity MuscatineMuscatine, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160013
• University of Iowa Health Care Medical Center DownIowa City, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160029
• University of Iowa Hospital & ClinicsIowa City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160058

Practice locations

Addresses where Katherine Y. Ignacio is enrolled with Medicare (CMS data updated October 2, 2026).

• 500 E Market St, University of Iowa Health Care Medical CentIowa City, IA 52245 (319) 339‑0300

Group practices

Medicare enrollment lists Katherine Y. Ignacio as a member of this group (CMS data updated October 2, 2026).

• State University of Iowa1,897 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Iowa →

Other hospitalists in Iowa City

Clinicians with the same Medicare primary specialty in Iowa City, IA — not a recommendation.

• Brian P. Daniel, MD
• Katherine I. Harris, MD
• Andrew D. Bryant, MD
• Matthew J. Becker, MD
• Jordan Haarsma, MD
• Taraz Imani Ramos, MD
• Zee Kuan Grace Ng, MD
• Eri Shinozaki, MD

All hospitalists in Iowa City →

Other clinicians in State University of Iowa

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

• Kelly S. Skelly, MD
• Andrea N. Weber, MD
• Melinda S. Seering, MD
• Byron F. Vandenberg, MD
• Pavida Pachariyanon, MD
• Mark E. Burkard, 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