Susan M. Ksiazek, MD

Medicare activity in 2024

Official CMS public-use data for Susan M. Ksiazek, 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 moderate level of decision making, if using time, 30 minutes or more (99214)188 services
2. Measurement of corneal curvature and depth of eye (92136)171 services
3. Removal of cataract with insertion of prosthetic lens (66984)100 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)88 services
5. Imaging of retina (92134)47 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%
• Diabetes36%
• Arthritis33%
• Chronic kidney disease32%
• Ischemic heart disease29%

Hospitals where Susan M. Ksiazek works

Medicare's Facility Affiliation Data lists Susan M. Ksiazek 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.

• Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 520037
• Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520202

Practice locations

Addresses where Susan M. Ksiazek is enrolled with Medicare (CMS data updated October 2, 2026).

• 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
• 2727 Plaza DrWausau, WI 54401 (715) 847‑3000
• 3400 Ministry PkwyWeston, WI 54476 (715) 393‑1000
• 4100 State Hwy 66Stevens Point, WI 54482 (715) 997‑6000

Group practices

Medicare enrollment lists Susan M. Ksiazek as a member of this group (CMS data updated October 2, 2026).

• MCHS Hospitals Inc1,197 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Wisconsin →

Other ophthalmologists in Marshfield

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

• Asha Y. Okorie, MD
• Scott J. Paulman, MD
• Theresa A. Larson, MD
• Simran Soni, MD
• John P. Mitchell, MD
• David Carli, DO
• Giancarlo A. Garcia, MD
• Mithaq Vahedi, MD

All ophthalmologists in Marshfield →

Other clinicians in MCHS Hospitals Inc

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

• Christopher Dempsey, PT
• Eric D. Zellner, CNA
• Nestor E. Machare Delgado, MD
• Rajan Ganesh
• Edward Pisarcik, PA
• Michael B. McLean, CNA

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