Practice address
400 PArnassus Ave # A610
San Francisco, CA 94143
At a glance
- Clinicians registered here
- 20
- Physicians (MD and DO)
- 15
- Specialties
- 3
- Industry payments to them, 2025
- $24,098
Specialties here
Who practices here
20 clinicians
- Anthony J. Bella, M.D. Urology
- Ashwin S. Balakrishnan Urology
- Benjamin N. Breyer, M.D. Urology
- Brian P. Dick, BS, MD Urology
- Daniela O. Orozco Rendon, MD Student in an Organized Health Care Education/Training Program
- Diego R. Alvarez Vega Urology
- Emily Hacker, MD Urology
- Farnoosh Nik-ahd, MD Urology
- James Nie Student in an Organized Health Care Education/Training Program
- Laura Zebib, MD, MPH Urology
- Lucille Cheng, MD Urology
- Madeleine A. Ball Student in an Organized Health Care Education/Training Program
- Meera B. Ganesh Urology
- Michael R. Zaliznyak, MD Urology
- Pablo A. Suarez Student in an Organized Health Care Education/Training Program
- Rebecca Arteaga, MD Urology
- Sudarshan V. Srirangapatanam, B.A. Urology
- Thomas W. Gaither, MD Urology
- Tien T. Nguyen, PA-C Physician Assistants
- Walter R. Hsiang, MD, MBA Urology
Industry payments
Drug and device makers reported $24,098 in general payments to 14 clinicians at this address in 2025.
- Benjamin N. Breyer, M.D. $15,170
- Walter R. Hsiang, MD, MBA $2,260
- Brian P. Dick, BS, MD $1,460
- Emily Hacker, MD $933
- Laura Zebib, MD, MPH $795
- Madeleine A. Ball $666
- Farnoosh Nik-ahd, MD $590
- Sudarshan V. Srirangapatanam, B.A. $574
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
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 Addresses can be out of date; call before visiting.