Saraswathy Ramanathan, MD

Medicare activity in 2024

Official CMS public-use data for Saraswathy Ramanathan, 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 complete exam of visual system (92014)328 services
2. Measurement of corneal curvature and depth of eye (92136)172 services
3. Imaging of optic nerve (92133)143 services
4. Exam of visual field with extended testing (92083)138 services
5. Removal of cataract with insertion of prosthetic lens (66984)100 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 cholesterol75%
• High blood pressure65%
• Arthritis38%
• Diabetes33%
• Osteoporosis27%
• Chronic kidney disease24%

Hospitals where Saraswathy Ramanathan works

Medicare's Facility Affiliation Data lists Saraswathy Ramanathan 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 Saraswathy Ramanathan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1001 Potrero AveSan Francisco, CA 94110
• 1001 Potrero Ave Bldg 80 Ward 83, Suite 32San Francisco, CA 94110 (628) 206‑8610
• 1600 Divisadero StSan Francisco, CA 94143 (415) 476‑1000
• 400 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000

Group practices

Medicare enrollment lists Saraswathy Ramanathan 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
• University of California SFGH Medical Group587 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in California →

Other ophthalmologists in San Francisco

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

• Jennifer H. Yang, MD
• Michael A. Saidel, MD
• Ori Saban, MD
• Qing Wang, MD
• Rabih Hage, MD
• Ying Han, MD
• Steven N. Cohen, MD
• Devron H. Char, MD

All ophthalmologists in San Francisco →

Other clinicians in University of California San Francisco

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

• Cullen Fleming, MD
• James B. Tyrrell, MD
• Carrie K. Grouse, MD
• Jason F. Talbott, MD
• Daniel Boctor, MD
• Andrew C. Curnow, 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