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Resident Profiles

We invite you to meet our current pharmacy residents who are continuing their education by completing their PGY1 program at Yuma Regional Medical Center.

Imaan Gill, Pharm.D.

Imaan Gill is originally from St. Paul, Minnesota, but grew up in Columbia, South Carolina. She received her Doctorate of Pharmacy degree from the University of South Carolina’s College of Pharmacy in Columbia, South Carolina. Her professional interests include ambulatory care, internal medicine and infectious diseases. Upon completion of her PGY1 pharmacy residency, she would like to work in a hospital system that is affiliated with ambulatory care clinics, providing an integrated approach to patient care. In her free time, she enjoys learning new languages, traveling with friends and family, working out and trying new restaurants.

John Zackary Riddle, Pharm.D.

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. 




Preceptor Profiles

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.

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, and 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, and consultant pharmacist for local skilled nursing facilities and 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.

Jake Schwarz, Pharm.D., BCCCP, BCPS

Pharmacy Clinical Coordinator & PGY1 Residency Program Director

Jake originally received his Bachelor of Science and Engineering degree from Arizona State University in Phoenix, AZ Computer Systems Engineering. He then received his Doctor of Pharmacy from the University of Arizona College of Pharmacy in Tucson, AZ in 2010 and went on to complete a PGY1 residency at Lakeland Regional Medical Center in Lakeland, Florida. After completing his residency, he worked in Phoenix Children's Hospital's pediatric ICU, infectious disease/antibiotic stewardship and emergency department. Jake's main areas of expertise include critical care, infectious disease and pediatrics and his certifications include BCPS and ACLS. Jake was the Residency Program Coordinator at Yuma Regional Medical Center for two years before becoming Program Director. Jake precepts IPPE and APPE pharmacy students from the colleges of pharmacy at the University of Arizona in Tucson, AZ, Midwestern University in Glendale, AZ, Creighton University in Omaha, NE, Drake University in Des Moines, IA and Purdue University in West Lafayette, IN. Jake is a competitive amateur ballroom and Latin dancer, and other hobbies include hiking, scuba diving, snowboarding, playing acoustic guitar, going to concerts and traveling.

DeAnna Manarang, Pharm. D.

Operations Coordinator

DeAnna graduated from the University of Arizona in Tucson, AZ with a Bachelor’s 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.


Carissa Mahl, Pharm.D.

Carissa (Crissy) graduated from The University of Findlay College of Pharmacy in Findlay, Ohio in 2012 with a Doctor of Pharmacy degree and ACLS certification, and worked as a pharmacy intern/IV room technician for three years at Blanchard Valley Hospital in Findlay, OH. After living in Ohio all of her life, she moved to Yuma in 2013 to complete a PGY1 residency through Yuma Regional Medical Center. After residency, Crissy stayed at Yuma Regional Medical Center to work as a clinical pharmacist in all areas in and outside of the hospital, and is a preceptor to the residency program for infectious disease and pain and palliative care. She was also previously the preceptor for internal medicine. In addition to these responsibilities, she serves as the pharmacy department’s representative for quality and safety, and is the resource pharmacist for our inpatient/outpatient pain and palliative care team at Yuma Regional Medical Center.

Outside of pharmacy life, Carissa is an avid foodie and animal lover (with three Akitas and a cat), enjoys spending long weekends in San Diego or Las Vegas, and otherwise loves traveling wherever.

Aaron Bench, Pharm.D.

Aaron received his Pharm.D. from Roseman University of Health Sciences College of Pharmacy in South Jordan, Utah.  After graduation, Aaron completed a PGY1 residency at Providence St. Mary Medical Center in Walla Walla, Washington.  Prior to pharmacy school, Aaron served two years as a missionary in Ecuador.

In his spare time, Aaron enjoys church, family, working with Boy Scouts (he was an Eagle Scout!), spending time with his lovely wife Annie and their adorable baby boy. He also likes music (indie), cereal with marshmallows, video games (old school, NES, SNES), building things, yard work, cooking/grilling and board games.

Nerdy computer stuff has always been a side hobby for Aaron, so he jumped at the opportunity to become part of the Epic Willow informatics team here at Yuma Regional Medical Center. He is currently working half time as an Informatics Pharmacist and half time as a Clinical Pharmacist.

Ramesh “Tony” Neerpat, Pharm.D.

Ramesh “Tony” Neerpat is originally from Guyana, South America, but grew up in Brooklyn, New York. He earned his Bachelor of Science from Arnold & Marie Schwartz College of Pharmacy at Long Island University in Brooklyn, NY. He later went on to pursue his Doctorate of Pharmacy from the University of Florida, in Gainesville, FL. Most of his career has been spent practicing in Florida in various settings. He has extensive years of experience in retail, inpatient services, ambulatory care services, USP 797 & 800 and institutional research. His professional niche includes solid and hematologic malignancies, pain management and research and immunotherapy. Dr Neerpat is working towards his board certification in oncology. In his free time, he enjoys spending time with his family, working with robotics, off-roading adventures and the finer arts.

Quan Pham, Pharm.D.

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 including playing guitar, photography, and exploring the great outdoors. 

Hailey Wang, Pharm.D.

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.
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