Phillip R. Chisholm, MD

Medicare activity in 2024

Official CMS public-use data for Phillip R. Chisholm, 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. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)31 services
2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)23 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)19 services
4. Insertion of stent into pancreatic or bile duct using a flexible endoscope (43274)18 services
5. Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)13 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 pressure71%
• Arthritis45%
• Diabetes41%
• Chronic kidney disease36%
• Anxiety35%

Hospitals where Phillip R. Chisholm works

Medicare's Facility Affiliation Data lists Phillip R. Chisholm 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.

• Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520103
• Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520177

Practice locations

Addresses where Phillip R. Chisholm is enrolled with Medicare (CMS data updated October 2, 2026).

• 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
• 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666

Group practices

Medicare enrollment lists Phillip R. Chisholm as a member of this group (CMS data updated October 2, 2026).

• The Medical College of Wisconsin Inc2,115 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Wisconsin →

Other gastroenterologists in Milwaukee

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

• Ahamed Khalyfa
• Daniel J. Stein, MD
• Maqsood Khan, MD
• Poonam Beniwal-Patel, MD
• Kulwinder S. Dua, MD
• Helmut V. Ammon, MD
• Chetan Mittal, MD
• Adam Benjamin, MD

All gastroenterologists in Milwaukee →

Other clinicians in The Medical College of Wisconsin Inc

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

• Michael M. Decker, MD
• Manoj Raghavan, MD
• Solomon Cherian, MD
• Ryan T. Brennan, DO
• Julie M. Jorns, MD
• Maria A. Park

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