Medical Staff Physicians (MSPs)

The Department of Radiology appreciates our Medical Staff Physician (MSP) faculty who provide a rich knowledge base and clinical expertise. They provide support for our sections and serve to complement our faculty team. If you are interested in an appointment as MSP, please reach out via the contact information below.


Frederick A. Birnberg

Frederick A. Birnberg, M.D.
Associate Physician Diplomate

Jeffrey Alan Brown

Jeffrey Alan Brown, M.D.
Associate Physician Diplomate

Minh-Tri Dang

Minh-Tri Dang, M.D.
Associate Physician Diplomate


Laura Findeiss

Laura Findeiss, M.D.
Associate Physician Diplomate

Liliane Gibbs

Liliane Gibbs, M.D.
Associate Physician Diplomate

 Michelle Hopstone

Michelle Hopstone, M.D.
Associate Physician Diplomate


 Jimmy Long Huynh

Jimmy Long Huynh, M.D.
Associate Physician

Paulomi Kanti Kanzaria

Paulomi Kanti Kanzaria, M.D.
Associate Physician Diplomate

Gerald Keun Lee

Gerald Keun Lee, M.D.
Associate Physician Diplomate


Brahim Mehadji

Brahim Mehadji, Ph.D.
Associate Physician Diplomate

Michael Peter Norton

Michael Peter Norton, M.D.
Associate Physician Diplomate

Ravi Rajpoot

Ravi Rajpoot, M.D.
Associate Physician Diplomate


Sunita Amma Saith

Sunita Amma Saith, M.D.
Associate Physician

Rahul Narain Sawlani

Rahul Narain Sawlani, M.D.
Associate Physician

Patricia Silva

Patricia Silva, M.D.
Associate Physician Diplomate

Volunteer Clinical Physicians/Physicists (VCPs) / Affiliated Faculty

The Department of Radiology values our Volunteer Clinical Professors to educate young physicians and scientists, provide health care to our community and work within our faculty network on research initiatives. Our faculty affiliates also provide intellectual guidance on a variety of projects affiliated with the department and are drawn from UC Davis’ other colleges and departments. If you are interested in an appointment as VCP, please review the benefits and then reach out to our team via the contract information below.


Royce J. Biddle

Royce J. Biddle, M.D.
Clinical Instructor

Jerrold Bushberg

Jerrold Bushberg, Ph.D.
Clinical Professor

Brian Dahlin

Brian Dahlin, M.D.
Associate Clinical Professor


Audrey Fan

Audrey Fan, Ph.D.
Assistant Professor

James Gullo

James Gullo, M.D.
Assistant Clinical Professor

Terry Jones

Terry Jones, D.Sc.
Clinical Professor


Robert Justin Knebel

Robert Justin Knebel, M.D.
Assistant Clinical Professor

John Livoni

John Livoni, M.D.
Clinical Professor

Rex Pillai

Rex Pillai, M.D.
Associate Clinical Professor


Souvik Sarkar

Souvik Sarkar, M.D., Ph.D.
Associate Clinical Professor

Charles A. Tujo

Charles A. Tujo, M.D.
Clinical Professor

Shiyang Wang

Shiyang Wang, Ph.D.
Assistant Clinical Professor

Project Specialists/Scientists

These specialists and scientists work closely with faculty and trainees, bringing their technical and specialized expertise to advance various research projects and programs. They are instrumental in supporting the department’s reputation for innovation and research excellence.


Yasser Abdelhafez

Yasser Gaber Abdelhafez, M.D., Ph.D.
Research Specialist

Reimund Bayerlein

Reimund Bayerlein, Ph.D.
Assistant Project Scientist

Siqi Li

Siqi Li, Ph.D.
Assistant Project Scientist, Wang Lab


Atul Rayamajhi

Atul Rayamajhi
EXPLORER Molecular Imaging Center IT Systems Administrator

Vivek Swarnakar

Vivek Swarnakar
Research Specialist

Qian Wang

Qian Wang, Ph.D.
Research Specialist


Yansong Zhu

Yansong Zhu, Ph.D.
Assistant Project Scientist, Wang Lab

For interest in an MSP appointments, contact Daniella Vazquez.

Daniella Vazquez
Assistant to the Chair/CAO
Email: dkvazquez@ucdavis.edu
Phone: 916-734-5059


For VCP appointments, contact Jaipreet Singh and Isabel Martinez.

Jaipreet Singh
Academic HR Analyst
Email: jrtsingh@ucdavis.edu
Phone: 916-734-2261

Isabel Martinez
Lead Academic Human Resources Analyst
Email: ismartinez@ucdavis.edu
Phone: 916-734-0739