Mary K. Rahders, MD

Medicare activity in 2024

Official CMS public-use data for Mary K. Rahders, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)74 services
2. Hospital discharge day management, 30 minutes or less (99238)17 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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 blood pressure75%
• High cholesterol66%
• Arthritis54%
• Ischemic heart disease49%
• Chronic kidney disease49%
• Heart failure49%

Hospitals where Mary K. Rahders works

Medicare's Facility Affiliation Data lists Mary K. Rahders 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.

• University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050599

Practice locations

Addresses where Mary K. Rahders is enrolled with Medicare (CMS data updated October 2, 2026).

• 1510 Capitola RdSanta Cruz, CA 95062 (831) 427‑3500
• 4600 BroadwaySacramento, CA 95820
• 4860 Y StSacramento, CA 95817 (916) 734‑8046

Group practices

Medicare enrollment lists Mary K. Rahders as a member of these groups (CMS data updated October 2, 2026).

• Regents of the Univ of Ca1,584 clinicians in the group
• Regents of the University of California567 clinicians in the group
• County of Sacramento47 clinicians in the group
• Santa Cruz Community Health Centers16 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Santa Cruz

Clinicians with the same Medicare primary specialty in Santa Cruz, CA — not a recommendation.

• Nathan A. Rheault, DO
• Julia R. Powers, MD
• Igbekele Daodu, MD
• Stephanie Chang, MD
• Andrew M. Smythe, DO
• Qiuying Huang, DO
• Amy K. McEntee, DO
• Anne Marie E. McDaniel, MD

All family doctors in Santa Cruz →

Other clinicians in Regents of the Univ of Ca

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

• Roger E. Goldman, MD
• Clifford T. Pereira, MD
• David M. Brandman, MD
• Ramit Lamba, MD
• Brian J. Vasquez, MD
• Jaimie C. Lanzafame, 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