Meet your care team

Joanna Guerrero Randolph MSN, ANP-BC

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Joanne is a board certified Adult Nurse Practitioner. She completed her nursing program and Master of Science degree in Nursing from the University Of California, San Francisco (UCSF). Prior to joining Dr. Davidson, she worked as a registered nurse on the UCSF Neuro Transitional Care unit and as a nurse practitioner in outpatient and inpatient settings in Nephrology and Gastroenterology. In her free time, Joanne enjoys spending time with her family, learning French, being outdoors and reading non-fiction books.  

Kathleen, Office Manager

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  Kathleen is our experienced office billing manager of over 10 years. If you are concerned about insurance information, coverage, etc. she provides accurate information with her trademark kind friendliness. 

Rachel, Receptionist

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As the newest addition to our team, Rachel's bright personality is the first to welcome you into our office. She brings more than 20 years of medical experience, over 3 of which focused on allergy and asthma, to ensure your care is up-to-date.


In her free time, Rachel loves to spend time with family, as well as watch movies and do arts & crafts! You can always chat with her about knitting and stitchery.

Aprilgate, M.A.

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  April graduated from UC Berkeley with a B.S. in Microbial Biology. As an undergrad she was involved in research on RNA-based regulation of gene expression. She was also an intern at Siemens Healthcare Diagnostics where she conducted translational research on Zika virus. Post-graduation she worked as a research technician at UCSF for two years where she studied pancreatic ductal adenocarcinoma. In her spare time, April enjoys reading, writing, eating! And walking her cat Tigger.  

Angelica, M.A.

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  Angie graduated from UC Berkeley with a B.A. in Molecular Cell Biology and emphasis in Immunology.  As an undergraduate, she helped research the mechanisms of orphan nuclear receptor Nur77, and cell to cell membrane fusion.  She was also involved in the mental health community at Cal and volunteered for a children's educational organization.  Angie is certified as an emergency medical technician and currently spends her free time studying, cooking, and exploring food places in San Francisco.  

our former team members

Where do former medical assistants go?

To medical school!


Jacqueline Woo: New York Medical College, Class of 2023

​Julie Jin: Saint Louis University School of Medicine, Class of 2022

Erik Anderson: Touro University, College of Osteopathic Medicine, Class of 2022

Alvin Chou: State University of New York (SUNY) Downstate College of Medicine, Class of 2021.

Jamie Collins: UC Irvine School of Medicine, Class of 2021.

Sarah Yang: UC Davis School of Medicine, Class of 2020.

Amisha Singh: University of Arizona College of Medicine, Class of 2020.

Robert Dionisio: Chicago Medical School at RFUMS.

Hannah Oppenheim: UCSD School of Medicine, Class of 2019.

Yeriko Santillan, MD: New York Medical College, Class of 2018.

Ayelet Cohen, MD: Northwestern University Feinberg School of Medicine, Class of 2018.

Kate Bowman, MD: UC Irvine School of Medicine, Class of 2017.

Alexander Vu, MD: Case Western Reserve University School of Medicine, Class of 2017.

Vanessa Newman, DO: Touro College of Osteopathic Medicine in Vallejo, Class of 2017.
Brian Sharon: PhD program at the University of California, San Francisco.
Daniel Snyder: Sackler School of Medicine, Class of 2015.
Rudy Silva, MD: UC Davis School of Medicine, Class of 2015.
Vikki Fanslow, MD: UC Davis School of Medicine, Class of 2015.
Meagan Herda, MD: Temple University School of Medicine, Class of 2014.
Deirdre Burn, MDs: Tufts University School of Medicine, Class of 2014.
Mark Novak, MD: Creighton University School of Medicine, Class of 2013.
Lillian Chen, MD: University of Wisconsin School of Medicine, Class of 2013.
Suleiman Lapalme, MD: University of Vermont College of Medicine, Class of 2012.
Evan McDaniel, MD: University of Nevada, Las Vegas.
Ari Zadel, MD: UC Davis School of Medicine, Class of 2010.
Jennifer Brewer, MD: Oregon Health and Science University, Class of 2010.

Omar Hasan, MD: Northwestern University Feinberg School of Medicine.

​Jennis Pae, MD: Robert Wood Johnson Medical School

Kate Diesseroth, MD: Northwestern University Feinberg School of Medicine.

Tod Olin, MD: University of Texas, San Antonio.

Jennifer Jordan, MD: UC Irvine School of Medicine.

Eyal Oren, MD: Albert Einstein School of Medicine.

Hattie Grundland, NP: UCSF School of Nursing, Nurse Practitioner Program.

​Jane Bonacich, MD: Rush Medical College.

Kendra Lawrence, MD: Case Western Reserve University School of Medicine.