Practice address
400 PArnassus Ave Fl 4
San Francisco, CA 94143
At a glance
- Clinicians registered here
- 27
- Physicians (MD and DO)
- 10
- Specialties
- 8
- Industry payments to them, 2025
- $116,996
Specialties here
Who practices here
27 clinicians
- Aaron C. Logan, MD, PHD Hematology & Oncology
- Alfonso Molina JR., MD Hematology & Oncology
- Alfred Chung Hematology
- Alissa L. Kleinhenz, MD Hematology
- Alyson E. Pelayo Nurse Practitioners
- Anna S. Mickelson Nurse Practitioners
- Christy Amanda, NP Nurse Practitioners
- Danielle Mclain, NP Nurse Practitioners
- David A. Besio, MS, RD Registered Dietitians
- David Y. Oh Hematology & Oncology · UCSF
- Debajyoti Datta, M.D. Hematology
- Grace M. Sevilla, PA-C Physician Assistants
- Hannah L. Elliott Nurse Practitioners
- Jaqueline De Oliveira Barbosa, NP Nurse Practitioners
- Jessica E. Haberer, M.D. Internal Medicine
- Kristin Garrick, NP Nurse Practitioners
- Laura Zitella, N.P. Nurse Practitioners
- Madhav R. Seshadri, M.D. Internal Medicine
- Margaret Balma, NP Nurse Practitioners
- Mayra A. Gomez Padua, PHD Psychologists
- Mosi Williams, PSYD Clinical Social Workers
- Nancy S. Wong, RN, FNP Nurse Practitioners
- Neha G. Goyal, PH.D. Psychologists
- Oluchukwu Okwu, FNP-C Nurse Practitioners
- Richard W. Stevens, M.D. Internal Medicine
- Savana Dobyns, NP Nurse Practitioners
- Shagun D. Arora, MD Hematology & Oncology
Industry payments
Drug and device makers reported $116,996 in general payments to 12 clinicians at this address in 2025.
- Aaron C. Logan, MD, PHD $97,909
- Jessica E. Haberer, M.D. $10,168
- Alfred Chung $3,174
- Laura Zitella, N.P. $2,795
- Madhav R. Seshadri, M.D. $2,246
- Grace M. Sevilla, PA-C $248
- Hannah L. Elliott $208
- Oluchukwu Okwu, FNP-C $99
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Industry-funded research
3 clinicians here are named as investigators on industry-funded studies ($1.3M in research payments reported in 2025).
- Alfred Chung 9 studies $852,460
- Aaron C. Logan, MD, PHD 6 studies $385,085
- David Y. Oh 3 studies $73,757
Research payments usually go to the hospital or research site, not to the investigator personally.
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 Addresses can be out of date; call before visiting.