Leadership and Current Residents
Our Leaders
Elizabeth (Liz) Pilorin, Pharm.D.
Clinical Pharmacist and Residency Program Director
Mercy General Hospital
[email protected]
Dr. Pilorin completed her Doctor of Pharmacy degree at the Thomas J. Long School of Pharmacy at the University of the Pacific in 2008. She has been with Dignity Health (formerly Catholic Healthcare West) since 2006, first as a pharmacy intern at Mercy General Hospital, transferred to St. Joseph’s Medical Center in Stockton and completed a PGY1 residency in 2009, and then transferred back to Mercy General Hospital. From 2009-2018, she worked as a clinical pharmacist at Mercy General Hospital and assisting in the implementation of many new clinical pharmacy services. In 2018 Dr. Pilorin became the Clinical Pharmacy Manager and is a current member of many hospital, regional and system committees including Pharmacy & Therapeutics, Medication Safety, Antimicrobial Stewardship and Diabetes Committees. Outside of pharmacy, she enjoys spending time with her husband and four young children, running and traveling.
Doris Manford, Pharm.D, MPH, BCPS, APh, DPLA
Clinical Pharmacy Manager and the Residency Program Coordinator
Doris Manford, Pharm.D, MPH, BCPS, APh, DPLA, is the Clinical Pharmacy Manager and the Residency Program Coordinator at Mercy San Juan Medical Center. Prior to this position, Doris has been the Pharmacy Supervisor at MSJMC.
Doris started her Pharmacy career at MSJMC in July 2014 as Pharmacy Practice Resident (PGY1) for a year of post-graduate training. After residency, Doris accepted the position of Transitions of Care (TOC) pharmacist here at MSJMC, which she helped develop and establish as part of her residency research project. The TOC Pharmacy team collaborates with Care Coordinators and Providers to ensure smooth transition of patients from hospital to home or other care facilities.
Prior to her role at Mercy San Juan she was a registered pharmacist in Ghana, West Africa. She received her (BPharm) Pharmacy degree at the University of Science at Technology in Ghana. She later furthered her education at the California Northstate University, where she received a Doctor of Pharmacy degree with honors. She graduated with Magna Cum Laude. Upon graduation, she completed a post graduate year 1 pharmacy residency at Mercy General/ Mercy San Juan Medical Center. She is a board certified pharmacotherapy specialist (BCPS). She also has an advanced pharmacy practice licence (APh) with the California State Board of Pharmacy. She also holds a Master’s degree in Public Health from Benedictine University. She is one of the masterminds behind the Transitions of Care (TOC) program at Mercy San Juan Medical Center. The TOC program is the fastest growing service line in the pharmacy department. Doris recently completed a Diploma in Pharmacy Leadership Academy (DPLA) with ASHP in July 2023.
Current Residents
Brieanna Tucker
Dr. Brieanna Tucker, originally from West Torrance, California, earned her Bachelor of Arts degree in Chemistry from California State University, Sacramento in 2021, and then went on to complete her Doctor of Pharmacy degree at the University of the Pacific in 2025. She has a deep passion for emergency medicine and is strongly interested in infectious disease and critical care. Outside of her professional pursuits, Dr. Tucker enjoys cooking, hiking, trying new restaurants, and spending quality time with her family.
Jashandeep Kaur
Dr. Jashandeep Kaur earned her Doctor of Pharmacy degree from California Northstate University, Elk Grove in 2025. She previously graduated from the University of California, Davis in 2020 with a Bachelor of Science in Biology. Her professional interests include cardiology, emergency medicine, oncology, and ambulatory care. Outside of pharmacy, she enjoys dancing, traveling, and spending quality time with her family and friends.
Daya Biju
Dr. Biju, originally from California, earned her Doctor of Pharmacy degree from St. John’s University in Queens, New York in 2025. Her professional interests include ambulatory care and infectious diseases. She is passionate about learning and committed to improving health outcomes through patient education and evidence-based practice. Outside of pharmacy, she enjoys traveling, film photography, exploring coffee shops, and spending time with loved ones.
Nishtha Tiwari
Nishtha Tiwari earned her Bachelor of Pharmacy degree from Lovely Professional University (LPU), India, in 2020, and went on to complete her Doctor of Pharmacy degree at Touro University California in 2025. Her professional interests include infectious diseases and ambulatory care. Beyond pharmacy, she enjoys reading, cooking, and traveling.