Chelsea L. Holtz, DO

Medicare activity in 2024

Official CMS public-use data for Chelsea L. Holtz, 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)109 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)96 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)57 services
4. Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment (G0402)11 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 cholesterol65%
• High blood pressure57%
• Arthritis38%
• Depression20%
• Osteoporosis20%
• Anxiety17%

Hospitals where Chelsea L. Holtz works

Medicare's Facility Affiliation Data lists Chelsea L. Holtz 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
• Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520136
• Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
• Orthopaedic Hospital of WisconsinGlendale, WI · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 520194

Practice locations

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

• 801 S 70th StWest Allis, WI 53214 (414) 773‑6600

Group practices

Medicare enrollment lists Chelsea L. Holtz as a member of this group (CMS data updated October 2, 2026).

• Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Wisconsin →

Other family doctors in West Allis

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

• Aldo Martinez Vaca, MD
• Nathan R. Burkle, DO
• Luna Younan, DO
• Francis X. Ruzicka, MD
• Alice C. Bustos, MD
• Robert D. Hulburt, DO
• Keisha D. Rogers, MD
• Raquel Rodriguez Martinez, MD

All family doctors in West Allis →

Other clinicians in Columbia St Marys Hospital Milwaukee Inc

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

• Karen A. Brown
• John Broderick, MD
• Thomas N. Czarnecki, MD
• Kristina M. Reinholtz, PA
• Katherine N. Burrows, DO
• Krishna Upadhyaya, 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