Tracy L. Donahue, MD

Medicare activity in 2024

Official CMS public-use data for Tracy L. Donahue, 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)201 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)193 services
3. Destruction of skin growth, 1-14 growths (17110)106 services
4. Destruction of precancer skin growth, 2-14 growths (17003)80 services
5. Biopsy of related skin growth, first growth (11102)67 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 cholesterol71%
• High blood pressure58%
• Arthritis40%
• Osteoporosis22%
• Ischemic heart disease21%
• Diabetes17%

Hospitals where Tracy L. Donahue works

Medicare's Facility Affiliation Data lists Tracy L. Donahue 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.

• Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051

Practice locations

Addresses where Tracy L. Donahue is enrolled with Medicare (CMS data updated October 2, 2026).

• 12831 N Port Washington RdMequon, WI 53097 (262) 643‑1300
• 2323 S 102nd StWest Allis, WI 53227 (414) 541‑9900

Group practices

Medicare enrollment lists Tracy L. Donahue as a member of these groups (CMS data updated October 2, 2026).

• Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
• Madison Medical Affiliates Inc86 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in Wisconsin →

Other dermatologists in Mequon

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

• Carmen S. Balding, MD
• Daniel G. Gitter, MD
• Amanda N. Cooper, MD
• Michael J. Knabel
• Heather M. Wells-Holtey, MD
• Camile L. Hexsel Folk, MD
• David W. Mai, MD
• Peggy Tong, MD

All dermatologists in Mequon →

Other clinicians in Columbia St Marys Hospital Milwaukee Inc

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

• Megan Rotzenberg, MD
• Matthew J. Schubert, MD
• Abby L. Kosmoski
• Cynthia Neugent
• Ariella M. Danowski, NP
• Sheri Dewan, 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