Willett W. Pang, MD

Medicare activity in 2024

Official CMS public-use data for Willett W. Pang, 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. X-ray of chest, 1 view (71045)215 services
2. Screening 3d breast mammography (77063)161 services
3. Screening mammography (77067)161 services
4. Ct scan of abdomen and pelvis with contrast (74177)159 services
5. X-ray of chest, 2 views (71046)138 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 pressure72%
• High cholesterol69%
• Arthritis52%
• Diabetes25%
• Ischemic heart disease24%
• Depression22%

Hospitals where Willett W. Pang works

Medicare's Facility Affiliation Data lists Willett W. Pang 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.

• Aspirus Ironwood HospitalIronwood, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231333
• St Lukes HospitalDuluth, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240047
• St Marys Hospital SuperiorSuperior, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521329
• Tamarack Health Ashland Medical CenterAshland, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521359
• Tamarack Health Hayward Medical CenterHayward, WI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 521336

Practice locations

Addresses where Willett W. Pang is enrolled with Medicare (CMS data updated October 2, 2026).

• 15495 County Rd BHayward, WI 54843 (715) 634‑2641
• 1615 Maple Ln, Suite 1Ashland, WI 54806 (715) 685‑7500
• 3500 Tower AveSuperior, WI 54880 (715) 392‑8281

Group practices

Medicare enrollment lists Willett W. Pang as a member of these groups (CMS data updated October 2, 2026).

• The Duluth Clinic Ltd1,144 clinicians in the group
• St Marys Hospital of Superior95 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Wisconsin →

Other radiologists in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

• Bruce J. Derauf, MD
• Ningmei Hu, MD
• Brandon R. Johnson, MD
• Matthew W. Shore, MD
• Jordan E. Toman, MD
• Matthew R. Vickery, MD
• Ryan P. Wippler, MD
• Lisa K. Park, MD

All radiologists in Wisconsin →

Other clinicians in The Duluth Clinic Ltd

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

• Elena B. Metcalf, MD
• Keith H. Peterson, MD
• Claire L. Mallof, MD
• Kimberly J. Lakhan, PA
• Ryan P. Wippler, MD
• Martin L. Birch, 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