Nancy Y. Greenland, MD

Medicare activity in 2024

Official CMS public-use data for Nancy Y. Greenland, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)529 services
2. Cell examination of specimen, selective cellular enhancement technique (88112)421 services
3. Special stained specimen slides to examine tissue, each additional procedure (88341)286 services
4. Special stained specimen slides to examine tissue, initial procedure (88342)273 services
5. Special stained specimen slides to examine tissue, each multiplex procedure (88344)115 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 cholesterol72%
• High blood pressure67%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)43%
• Arthritis39%
• Chronic kidney disease26%
• Diabetes25%

Hospitals where Nancy Y. Greenland works

Medicare's Facility Affiliation Data lists Nancy Y. Greenland 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.

• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
• UCSF Health Stanyan HospitalSan Francisco, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050457
• 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 Nancy Y. Greenland is enrolled with Medicare (CMS data updated October 2, 2026).

• 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
• 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000

Group practices

Medicare enrollment lists Nancy Y. Greenland as a member of this group (CMS data updated October 2, 2026).

• University of California San Francisco1,839 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in California →

Other pathologists in San Francisco

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

• Annemieke Van Zante, MD
• Ling-Lin Pai, MD
• Hannah Lee, DO
• Alexander D. Borowsky, MD
• John C. Moretto, MD
• Soo-Jin Cho, MD
• Zane D. Amenhotep, MD
• Cynthia A. Gasper, MD

All pathologists in San Francisco →

Other clinicians in University of California San Francisco

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

• Annemieke Van Zante, MD
• Amber Dhillon, PA
• Anja Strehlow, PA
• Hannah Lee, DO
• Arthur R. McDowell Jr., MD
• Anthony Shum, 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