Aparajita Singh, MD

Medicare activity in 2024

Official CMS public-use data for Aparajita Singh, 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 high level of medical decision making, if using time, 40 minutes or more (99215)53 services
2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)42 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)35 services
4. Biopsy of large bowel using a flexible endoscope (45380)28 services
5. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)20 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 pressure65%
• Arthritis42%
• Anxiety35%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)32%
• Depression31%

Hospitals where Aparajita Singh works

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

• 1701 Divisadero StSan Francisco, CA 94115 (415) 476‑4029
• 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
• 3100 San Pablo AveBerkeley, CA 94702 (510) 985‑5020
• 400 Parnassus AveSan Francisco, CA 94143
• 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑4029

Group practices

Medicare enrollment lists Aparajita Singh 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

• Gastroenterologyprimary

Find other Gastroenterology doctors in California →

Other gastroenterologists in San Francisco

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

• Madhuri Badrinath, MD
• Debra Yen, MD
• Laura S. Chiu, MD
• Pooja Dharwadkar, MD
• Nancy Ho, MD
• Amir Prushani, MD
• Courtney B. Sherman, MD
• Andrew Nett, MD

All gastroenterologists in San Francisco →

Other clinicians in University of California San Francisco

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

• Jose Miguel Hernandez Pampaloni, MD
• Timothy T. Ferng, MD
• Jose-Rafael P. Zuzuarregui, MD
• Jesse C. Ikeme, MD
• Mandar A. Aras, MD
• Melissa Zimel, 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