Katherine Gonzaga, MD

Medicare activity in 2024

Official CMS public-use data for Katherine Gonzaga, 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. Injection, omalizumab, 5 mg (J2357)1,575 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)40 services
3. Test to measure expiratory airflow and volume (94010)39 services
4. Injection of drug or substance under skin or into muscle (96372)39 services
5. Professional service for multiple injections of allergen (95117)27 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).

• Asthma66%
• High blood pressure57%
• High cholesterol49%
• Arthritis35%
• Anxiety35%
• Depression21%

Hospitals where Katherine Gonzaga works

Medicare's Facility Affiliation Data lists Katherine Gonzaga 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.

• Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520071
• University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520098

Practice locations

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

• 20 S Park StMadison, WI 53715 (608) 287‑2076

Group practices

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

• University of Wisconsin Medical Foundation Inc2,553 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in Wisconsin →

Other allergist and immunologists in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

• Ivana Surjancev, MD
• Daniel L. Rosenberg, MD
• Ravi K. Viswanathan, MD
• Julia L. Thorsen, MD
• Helen Sanderson, MD
• Courtney Gaberino, MD
• Caitlan R. Murphy, MD
• Sujani S. Kakumanu, MD

All allergist and immunologists in Madison →

Other clinicians in University of Wisconsin Medical Foundation Inc

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

• Cheri S. Milton
• Sindhu Shetty, MD
• Marmy Shah, MD
• Nicole L. Reilly, MD
• Renee A. Churchill, NP
• Molly A. Sanders

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