Lucy Z. Kornblith, MD

Medicare activity in 2024

Official CMS public-use data for Lucy Z. Kornblith, 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)51 services
2. Critical care, first 30-74 minutes (99291)50 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)31 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)15 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%
• Diabetes45%
• Ischemic heart disease36%
• Depression36%
• Chronic kidney disease36%

Hospitals where Lucy Z. Kornblith works

Medicare's Facility Affiliation Data lists Lucy Z. Kornblith 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
• Zuckerberg San Francisco General Hospital & Trauma CenterSan Francisco, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050228

Practice locations

Addresses where Lucy Z. Kornblith is enrolled with Medicare (CMS data updated October 2, 2026).

• 1001 Potrero AveSan Francisco, CA 94110 (415) 206‑4632
• 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000

Group practices

Medicare enrollment lists Lucy Z. Kornblith as a member of these groups (CMS data updated October 2, 2026).

• University of California SFGH Medical Group587 clinicians in the group
• University Anesthesia Medical Group408 clinicians in the group

Specialties

• General Surgeryprimary
• Critical Care (Intensivists)also

Find other General Surgery doctors in California →

Other general surgeons in San Francisco

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

• Tasce R. Bongiovanni, MD
• Seiji Yamaguchi, MD
• Marissa A. Boeck, MD
• Janet Bellingham, MD
• Mignote Yilma, MD
• Rachel Koch, MD
• David C. Cron, MD
• Ronald Tesoriero, MD

All general surgeons in San Francisco →

Other clinicians in University of California SFGH Medical Group

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

• Jack W. McAninch, MD
• Kimberly Segna, CNA
• Carina Marquez, MD
• Christina Yoon, MD
• Michael A. Saidel, MD
• Clement C. Yeh, 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