Karen L. Feeney, MD

Medicare activity in 2024

Official CMS public-use data for Karen L. Feeney, 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 low level od decision making, if using time, 20 minutes or more (99213)79 services
2. Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)55 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)49 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)33 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 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 cholesterol74%
• High blood pressure65%
• Arthritis35%
• Diabetes29%
• Anxiety21%
• Osteoporosis21%

Practice locations

Addresses where Karen L. Feeney is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

• 1310 El Camino Real, Suite I JSan Bruno, CA 94066 (650) 270‑2395
• 199 W Portal AveSan Francisco, CA 94127 (415) 821‑8798
• 2288 Market StSan Francisco, CA 94114 (415) 964‑4855
• 2395 Lombard StSan Francisco, CA 94123 (415) 796‑2242
• 2895 Diamond StSan Francisco, CA 94131 (415) 964‑4866

Group practices

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

• UCSF Health Medical Foundation66 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Bruno

Clinicians with the same Medicare primary specialty in San Bruno, CA — not a recommendation.

• Vikram S. Mahal, MD
• John A. Horning, MD
• Steven K. Polevoi, MD
• Peter C. Wroe, MD
• Maxim L. Ritzenberg, MD
• David A. Rossi, MD
• John W. Elliott, MD
• Kurt H. Kunzel, MD

All emergency medicine doctors in San Bruno →

Other clinicians in UCSF Health Medical Foundation

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

• Jennifer A. White, PA
• Paul D. Kretkowski, PA
• John M. Martinez, MD
• Emily Choi, PA
• Rachel K. Mills, NP
• Rebecca J. Kornowski, PA

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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians