Preceptor and Resident Profiles
We invite you to meet our preceptors and current pharmacy residents who are continuing their education by completing their PGY1 program at Yuma Regional Medical Center.
Denisse Garcia Zavala
Denisse was born and raised in Yuma, AZ. She graduated from Northern Arizona University with a Bachelor of Science in Biology and a Bachelor of Arts in Spanish. She then earned a Doctor of Pharmacy degree from Midwestern University College of Pharmacy in Glendale, AZ. As a pharmacy student, Denisse was involved with and held leadership positions with the student chapters of the American Society of Consultant Pharmacists, Phi Delta Chi, and the Nuclear Pharmacy Club. Her professional interests include ambulatory care, geriatrics, and nephrology. In her spare time, Denisse enjoys spending time with her family, watching movies, and traveling.
Our preceptors bring a broad range of skills and experience to the Yuma Regional Medical Center Pharmacy Residency Program. They share their knowledge and expertise to help our residents build their knowledge, skills and abilities in delivering patient-centered care as clinical pharmacists in an acute care setting.
Mark Jordan, Pharm.D.
Administrative Director of Pharmacy
Mark Jordan is a proud graduate of the University of Arizona in Tucson, AZ, having earned both Doctor of Pharmacy and Bachelor of Arts in Education degrees. He joined the Yuma Regional Medical Center staff in 2001 as a clinical pharmacist after previous work as an educator in the Yuma public schools. At Yuma Regional Medical Center, Mark has provided service across all levels of patient care, from critical to transitional care units. He has been involved in the palliative care team and the development of the ICU specialist position. As a NICU liaison, he accomplished the standardization of orders and preparation procedures for medications used in the NICU. His experiences at Yuma Regional Medical Center, as a pharmacy director for an inpatient rehabilitation hospital, a consultant pharmacist for local skilled nursing facilities as well as a free-standing endoscopy center provide a rich background for student and resident learning. Mark has called Yuma home since 1975 and enjoys our desert community with his wife and young children.
DeAnna Manarang, Pharm.D.
Manager, Pharmacy Operations
DeAnna graduated from the University of Arizona in Tucson, AZ with a Bachelor of Science in Physiological Science in 2001 and her Pharm.D. in 2005. She completed a Community Pharmacy Practice Residency at Purdue University in West Lafayette, IN in collaboration with Osco Pharmacy. Following her residency, DeAnna was employed by CVS, where she was a District Pharmacy Supervisor over 19 retail pharmacies. She joined the Yuma Regional Medical Center pharmacy team in 2013. DeAnna currently serves as the Lead Anticoagulation Clinical Pharmacist for Yuma Regional Medical Center. Her background in ambulatory care gives her a great perspective as she precepts the longitudinal anticoagulation clinic rotation. DeAnna is a Yuma native and enjoys spending time with her family, traveling, swimming and outdoor activities.
Stephanie Kehle, Pharm.D.
Stephanie, raised in Yuma, began her career as a pharmacy technician while she pursued her college education. In 2005, she received her Doctorate of Pharmacy from Midwestern University College of Pharmacy Glendale. Following her education, she dedicated 11 years to working in a community pharmacy before returning home to YRMC. Since 2016, Stephanie has been an integral part of our team as the Anticoagulation Clinic Pharmacist. Outside of work, she enjoys activities such as CrossFit, gardening, grooming her dogs and spending time with her loved ones.
Jean-Paul “JP” Q. Lee, Pharm.D., MBA, BCPS, BCSCP
JP graduated from the University of California, San Diego with a Bachelor of Science in Biochemistry and Cell Biology. He previously worked as a research associate at a large public teaching university conducting a cystic fibrosis study before joining a global biotech company as a biochemist. While at the biotech company, he took advantage of their education reimbursement program and earned a Certification in Planning and Inventory Management from the American Production and Inventory Control Society and a Master of Business Administration with a concentration in Technology Management from the University of Phoenix. He then combined his science background and business knowledge to help implement their new enterprise business system as a business analyst. After several years in the biotech industry, he went back to school and earned a Doctor of Pharmacy from Creighton University prior to joining the YRMC pharmacy team. His diverse professional background in business process analysis, continuous improvement, research and inventory and production management provides a unique perspective for pharmacy students and residents on their rotations. Outside of work, JP enjoys cooking, reading, traveling and spending time with his family and friends.
Ania Mathews, Pharm.D.
Ania graduated from the University of Arizona with a Bachelor’s in Anthropology and followed it with a Master’s in Education from the University of Massachusetts at Amherst. She was a public school teacher in Yuma prior to receiving her Doctor of Pharmacy from the University of New Mexico in 2014. After working as a clinical staff pharmacist in rural Wyoming, she returned to Yuma to join the Pharmacy team in 2020. Her professional interests include anticoagulation, cardiology and nephrology. When she’s not at work, she enjoys indoor and outdoor physical activity and spending time with her family.
Clara Nassif, Pharm.D., BCACP
Clara received her Doctor of Pharmacy degree from Wayne State University in Detroit, MI in 2015. She completed her PGY1 at Providence Portland Medical Center in Portland, OR, at which time she earned her teaching certificate from the Portland Area Citywide Residency Conference. She then completed her PGY2 in ambulatory care at Providence Medical Group in Portland, OR. While there, she served as clinical faculty to facilitate small group discussions at Pacific University for first-year pharmacy students. She moved back to her hometown in Michigan shortly after residency, where she worked with multiple physician organizations, helping to establish and expand ambulatory care clinical services, as well as precept pharmacy students. Clara joined our team at Yuma Regional Medical Center in August 2021. Her professional interests include ambulatory care and geriatrics. In her spare time, she enjoys spending time with her husband, family and friends, playing the violin, traveling, trying different cuisines and going for walks.
Melody Padilla, Pharm.D.
Melody, a native of El Paso, TX, received her Doctorate of Pharmacy from from the University of California, San Diego in 2019. She then completed a PGY1 general residency at Arrowhead Regional Medical Center in Colton, CA. Melody provides patient care across a range of clinical settings, including patient floors, intensive care units (ICUs), the Anticoagulation Clinic and the Cancer Center. When she’s not working, she enjoys traveling, building Legos and playing with her cats.
Quan Pham, Pharm.D., BCPS
Quan graduated from the University of California San Diego with his Bachelor of Science in pharmacological chemistry in 2009. He worked in a contract manufacturing company for three years before completing his Pharm.D. from Midwestern University – Glendale, AZ campus in 2015. He completed his PGY1 community residency in Flagstaff, AZ at North Country Health Care, where he also earned a teaching certificate from Midwestern University – Glendale AZ campus. Quan joined Yuma Regional Medical Center in August 2015 and has been providing patient care in various settings, including the anticoagulation clinic, the cancer center and inpatient as a clinical pharmacist. Quan’s interests include playing guitar, photography, and exploring the great outdoors.
John Zackary Riddle, Pharm.D.
Supervisor of Oncology Pharmacy Operations
Zack Riddle is originally from Thatcher, Arizona. He received his Doctorate of Pharmacy from the University of Arizona College of Pharmacy in Tucson, AZ in May of 2016. His professional interests include infectious diseases, ambulatory care, internal medicine and critical care. Upon completing his PGY1 residency, Zack hopes to work in a rural community hospital and help precept students and future residents. Outside of pharmacy, Zack enjoys playing tennis, playing board games with his friends and family and visiting the beach.
Mikali Shedd, Pharm.D.
Mikali received her Doctorate of Pharmacy from the University of the Incarnate Word – Feik School of Pharmacy in San Antonio, TX in 2020. She then completed her PGY1 Pharmacy Practice and Emergency Medicine Pharmacy Residency at Orlando Health – Orlando Regional Medical Center in Orlando, FL. Mikali joined YRMC in August 2022 as YRMC’s first Emergency Medicine Pharmacy Specialist. Her professional areas of expertise include emergency medicine, trauma and toxicology. In her spare time, she enjoys reading, swimming and spending time with her husband and dogs.
Hailey Wang, Pharm.D., BCPS
Hailey received her Doctor of Pharmacy degree from the University of Southern Nevada in Henderson, NV in 2010. Hailey worked as a clinical staff pharmacist for six years in Chadron, NE and joined the Yuma Regional Medical Center pharmacy team in 2016. Her professional interests include infectious disease, critical care, internal medicine and palliative care/hospice. In her spare time, Hailey enjoys yoga, travel, watching movies and spending time with friends and family.