Practice address
521 PArnassus Ave
San Francisco, CA 94143
This is the address of UCSF Medical Group Business Services.
At a glance
- Clinicians registered here
- 194
- Physicians (MD and DO)
- 116
- Specialties
- 17
- Industry payments to them, 2025
- $111,954
Specialties here
- Everyone 194
- Anesthesiology 45
- Pharmacists 37
- Hospitalist 33
- Internal Medicine 29
- Student in an Organized Health Care Education/Training Program 16
- Nurse Anesthetists (CRNA) 15
- Dentists (general) 3
- Pediatrics 3
- Emergency Medicine 2
- Oral & Maxillofacial Surgeons 2
- Nurse Practitioners 2
- Nephrology (Kidney) 2
- Marriage & Family Therapists 1
- Psychologists 1
- Periodontists 1
- Critical Care Medicine 1
- General Surgery 1
Who practices here
194 clinicians
- Aaron M. Huwe, PHARM.D. Pharmacists · C 152, Box 0622
- Ajaypal Singh Nurse Anesthetists (CRNA)
- Alanna B. Williams Internal Medicine
- Alexa Mae A. Sangalang Anesthesiology
- Alexandra Diiorio, PHARMD Pharmacists
- Alexei Spoonde, CRNA Nurse Anesthetists (CRNA)
- Ali E. Al-timimy, MD Hospitalist
- Aline Zorian Hospitalist · Room 104
- Allison Crawford, M.D. Hospitalist
- Allison R. Tzeng, MD Internal Medicine
- Amisha Nibber Hospitalist
- Amy Weinberg, MD Hospitalist
- Amy X. Zhang, M.D. Anesthesiology
- Anna E. Hitron, PHARMD Pharmacists · C-152, Box 0622
- Ashish R. Gandhi Hospitalist
- Atsuko Baba, MD Anesthesiology · C450 Box 0648
- Austin Van Haren, MD Hospitalist
- Ayoda T. Werede, MD Internal Medicine
- Bao Dao, PHARMD Pharmacists · C-152
- Bernard E. Shalit, MD Internal Medicine
- Binbin Wang, M.D. Anesthesiology · Rm C-450
- Brandon Tam, DO Hospitalist
- Brian Chang Emergency Medicine
- Brian S. Kim, M.D. Anesthesiology
- Brinda Ryali, MD Internal Medicine
- Brooke A. Regier, CRNA Nurse Anesthetists (CRNA)
- Bryan T. Bourdeau, MD Internal Medicine
- Camara Sharperson Anesthesiology
- Candy Tsourounis, PHARM.D. Pharmacists · Room C-152, Box 0622
- Carlson Mathias Ngwabifu Asanghanwa Anesthesiology
- Cathi E. Dennehy, PHARM. D. Pharmacists · Suite C-152, Box 0622
- Charles B. Cauldwell, MD Anesthesiology · C 450
- Chih Yao Chang, MD Internal Medicine
- Christine M. Cheng, PHARMD Pharmacists · C-152 Box 0622
- Christine Shen, MD Anesthesiology
- Christine V. Borromeo, PHARM.D Pharmacists
- Christopher Allen, MD Anesthesiology
- Christopher C. Rios, MD Internal Medicine
- Claas Siegmueller, M.D., F.R.C.A. Anesthesiology · C450
- Claudia Praetel, MD, PHD Anesthesiology
- Conan Macdougall, PHARM.D. Pharmacists · C-152, Box 0622
- Conrad E. Lacom, MD, EDIC Anesthesiology
- Daniel A. Beckerman, MD, MPH, MTM Anesthesiology
- Daniel M. Ramos, DDS Dentists (general) · #c-646
- Daniel Yacoob, DDS Oral & Maxillofacial Surgeons · Room C522
- Daniela Arango Isaza, MD Hospitalist
- Danielle M. Williamson, MD Anesthesiology
- David J. Quan, PHARM.D. Pharmacists · Room C-152, Box 0622
- Dawood Tahir, MD Hospitalist
- Denira Govender, MD Anesthesiology
Hospitals and medical groups at this address
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $111,954 in general payments to 20 clinicians at this address in 2025.
- Raymond K. Hsu, M.D. $57,287
- Richard M. Locksley, M.D. $34,257
- Dieter Adelmann $14,305
- Daniel Yacoob, DDS $3,797
- Christine Shen, MD $688
- Shijun Sung, MD $420
- Kaavya Murali $267
- Jappreet K. Grewal $155
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Industry-funded research
2 clinicians here are named as investigators on industry-funded studies ($341,760 in research payments reported in 2025).
Research payments usually go to the hospital or research site, not to the investigator personally.
Organizations registered here
- University of California, San Francisco Clinic/Center
- University of San Francisco General Acute Care Hospital
- University of California, San Francisco General Acute Care Hospital
- UCSF - Department of Anesthesia PAin Management General Acute Care Hospital
- University of California, Dept.of Clinical Pharmacy Medical Specialty Clinic/Center
- UCSF Oral & Maxillofacial Surgeons
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.