Rima Arnaout, MD

Medicare activity in 2024

Official CMS public-use data for Rima Arnaout, 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. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)336 services
2. Heart muscle strain imaging (93356)78 services
3. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)61 services
4. Ultrasound of heart blood flow, valves and chambers, follow-up (93321)35 services
5. Ultrasound of heart, follow-up (93308)31 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%
• Ischemic heart disease45%
• Arthritis44%
• Chronic kidney disease43%
• Heart failure43%

Hospitals where Rima Arnaout works

Medicare's Facility Affiliation Data lists Rima Arnaout 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.

• UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050454

Practice locations

Addresses where Rima Arnaout is enrolled with Medicare (CMS data updated October 2, 2026).

• 1600 Divisadero St, McB302San Francisco, CA 94115 (415) 476‑1000
• 1701 Divisadero StSan Francisco, CA 94115 (415) 476‑1000
• 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
• 400 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
• 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000

Group practices

Medicare enrollment lists Rima Arnaout as a member of these groups (CMS data updated October 2, 2026).

• University of California San Francisco1,839 clinicians in the group
• UCSF Medical Group Business Services1,598 clinicians in the group
• Regents of the University of California732 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in San Francisco

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

• Vasanth Vedantham
• Matthew D. Solomon, MD
• Ann E. Sheridan, MD
• Randall J. Lee, MD
• David H. Liang, MD
• Peter Hui, MD
• Davis Kimaiyo, MD
• Edward Gerstenfeld, MD

All cardiologists in San Francisco →

Other clinicians in University of California San Francisco

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

• Vasanth Vedantham
• Sven J. Walderich, MD
• Shweta R. Motiwala, MD
• Irene Chang, MD
• Autefeh S. Sajjadi, MD
• Erin J. Delacruz, 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