Residency Preceptors

Residency Preceptors

Darin SmithDarin Smith, BSPharm, PharmD, BCPS, FASHP

Director of Pharmacy Services and Performance Improvement

Dr. Smith has been a part of Norman Regional Health System since 1994. Prior to joining the staff at Norman Regional, he completed his training at the University of Oklahoma College of Pharmacy where he earned a B.S. in Pharmacy (1991) and a Doctor of Pharmacy (1993). He completed a Specialty Residency in Pharmacokinetics (1994) and is Board Certified in Pharmacotherapy. Dr. Smith is active with the Oklahoma Society of Health-System Pharmacists (OSHP), serving as President from 1988-89, and state delegate to the ASHP House of Delegates for multiple terms. He was awarded the Oklahoma Health-System Pharmacists of the Year in 2001 by OSHP and the Quality Professional Award by the Oklahoma Hospital Association in 2004 for his accomplishments and contributions in the area of quality improvement. He also earned the OSHP Clinical Excellence Award in 2012. Dr. Smith currently serves on the Board of Directors for the Oklahoma Foundation for Medical Quality (Oklahoma’s QIO)(2009-Current, Chair 2013) and the Oklahoma Hospital Association Council on Quality and Patient Safety (2011-Current (Chair 2011-2013). He is a member of the Joint Commission’s Hospital Advisory Council (2011-Current), the Hospital Advisory Council for the Oklahoma State Department of Health (2013-Current), and the Novation Clinical Pharmacy Advisory Group (2011-Current). His work related interests include pharmacy administration, quality improvement, legal and regulatory requirements, and electronic medical record (EMR) expansion. Outside of work, he enjoys travel with his family, skiing, and OU sports.

Brad FosterBrad Foster, BS, PharmD

Clinical Manager, Department of Pharmacy

Dr. Foster received his Doctor of Pharmacy from the University of the Pacific in 1997 after completing a Bachelors of Science degree in 1994 from the Masters College in southern California. He then went on to complete a Pharmacy Practice Residency at Children’s Healthcare of Atlanta (CHOA) at Emory University in 1998. Following his training at CHOA he practiced in the area of pediatric critical care before taking the position of General Pediatric Lead Pharmacist. Later he accepted he accepted the Cardiac Critical Care Clinical Specialist position in which he practiced for approximately 6 years. In 2003, he accepted a Clinical Pharmacy Specialist position at Norman Regional Health System. He was later promoted to Clinical Pharmacy Supervisor in 2009, and in 2011 he accepted the position of Clinical Pharmacy Manager. He is a recent graduate from the Pharmacy Leadership Institute at Boston University. In his spare time he enjoys weight lifting, soccer, water sports, reading, and spending time with his family.

Trish AndrewsTrish Andrews, BSPharm

Pharmacy Operations Manager

Dr. Andrews graduated from the University of Oklahoma College of Pharmacy in 1983. She trained and worked at the VA Medical Center in Oklahoma City while in school. She has had a variety of pharmacy practice experiences ranging from hospital to retail to home infusion. She began at Norman Regional Health System in the home infusion affiliate Optioncare in 1998. The hospital decided to close the home infusion and home health companies soon after and absorbed Dr. Andrews into the main Pharmacy at the NRHS Porter campus. She has been with NRHS for 15 years. She worked in the IT department for 2 of those years and then returned to the pharmacy. For the last 10 years she has served as Pharmacy Operations Manager. Her area of expertise at this time includes pharmacy IT. She loves to arrange fresh flowers, bake, watch old movies, and read.

Brian HughesBrian Hughes, BS, PharmD, BCPS

Clinical Pharmacy Specialist, Residency Program Director

Dr. Hughes received his Doctor of Pharmacy from the University of Oklahoma College of Pharmacy in 2003 after completing a Bachelor of Science degree in Biochemistry from the University of Oklahoma in 1997. He then went on to complete a Pharmacy Practice Residency at Norman Regional Hospital in 2004 followed by a Pediatric Specialty Residency at Denver Children’s Hospital in 2005. Upon completion of training, he served as Assistant Professor at the University of Arkansas for Medical Sciences College of Pharmacy, with a practice site at Arkansas Children’s Hospital. He joined the staff of Norman Regional Health System as a Clinical Pharmacy Specialist in 2008, and became the Residency Program Director later that year. Aside from pediatrics, his practice interests include infectious diseases and pharmacy education. In his down time, he enjoys music, sports, movies, reading, and spending time with family.

Justin BoothJustin Booth, BS, PharmD

Staff/Clinical Pharmacist

Dr. Booth earned his B.S. in Biochemistry & Molecular Biology from Oklahoma State University in 2009 and his Pharm.D. from Southwestern Oklahoma State University College of Pharmacy in 2013. He went on to complete a PGY1 Pharmacy Residency at Norman Regional Health System (NRHS) in 2014. He has been a pharmacist at NRHS since 2014. His current areas of interest include critical care and infectious diseases. In his spare time, he enjoys spending time with family, reading, movies and music.

Jennifer ChonlahanJennifer Chonlahan, PharmD, BCPS

Staff Pharmacist

Dr. Chonlahan graduated from the University of Oklahoma College of Pharmacy in 2002. She completed a Specialty Residency in Ambulatory Care at the University of Oklahoma College of Pharmacy. She joined Norman Regional Hospital System in 2010. Cardiology is one of her current practice interests. In her free moments, she enjoys spending time with family and friends.



Jerry CodyJerri Cody, BS, PharmD

Staff/Clinical Pharmacist

Dr. Cody completed her Bachelors of Science in 2002 from Oklahoma State University and received her Pharm.D. from the University of Oklahoma College of Pharmacy in 2008. She then went on to complete a PGY-1 Pharmacy residency at Norman Regional Health System in 2009. She started at NRHS in March 2009 as a dispensing pharmacist and has evolved into a clinical/dispensing pharmacist as of March 2012. Her current practice interests include adult medicine and oncology. She is currently working on procedures with National Institute for Occupational Safety and Health drugs. In her spare time, she enjoys reading, hiking, running, and going to concerts.

Cynthia EnixCynthia Enix, BSPharm

Staff Pharmacist

Dr. Enix earned her BS in Pharmacy from Southwestern Oklahoma State University in 1982. She joined Norman Regional Health System in 2010. Her current area of interest includes pediatrics. In her spare time, she enjoys hiking and cooking.





Fran EsfahaniFran Esfahani, PharmD, BCPS

Clinical Pharmacy Specialist

Dr. Esfahani earned her B.S. in Chemical Engineering from the University of Oklahoma College of Engineering. She went on to earn her B.S. in Pharmacy and her Pharm.D. from the University of Oklahoma College of Pharmacy. She joined the Norman Regional Health System in 1997. She became a Clinical Pharmacist in 1999. She went on to become a Clinical Pharmacy Specialist 2002. Her practice areas of interest includes critical care and infectious disease. She has ongoing projects which include generating a carbepenem utilization restrictions and working with the infectious disease physicians to revise Norman Regional’s pneumonia/COPD caremaps. Her hobbies include ballroom dancing, traveling, weight training, and gardening.

Lisa MayerLisa Mayer, BS, PharmD, BCPS

Clinical Pharmacy Specialist

Dr. Mayer earned her A.A. in Biology from Northeastern Oklahoma A&M College in 1997, her B.S. in Biological Sciences from Oklahoma State University in 2000, and her Pharm.D. from the University of Oklahoma College of Pharmacy in 2008. She went on to complete a PGY-1 Pharmacy residency at Norman Regional Health System (NRHS) in 2009. She joined NRHS in July 2009 as a Clinical Pharmacy Specialist. Dr. Mayer is active with the Oklahoma Society of Health-System Pharmacists (OSHP), serving on the Programing Committee as the Vendor Showcase Chair and Co-Chair from 2011-13 and is currently a state delegate to the ASHP House of Delegates. She is also active with the Cleveland County Pharmacists Association, serving as Vice President from 2012-13. She helped develop and implement a standard protocol for medication dose adjustment in hospitalized patients with renal insufficiency. Her current practice interests include cardiology and critical care. Her hobbies include cheering on the Oklahoma City Thunder, watching movies, wine tasting, and trying out new restaurants.

Betsy NelsonBetsy Nelson, PharmD, BCPS

Clinical Pharmacy Specialist

Dr. Nelson earned her B.S. Pharm from Raabe College of Pharmacy at Ohio Northern University in 1975. She went on to earn her PharmD from the University of Oklahoma College of Pharmacy in 2002. She began her career as a dispensing pharmacist at Norman Regional Health System in March 1976. She became a clinical pharmacist in 2003. Her practice interests include adult medicine with particular interests in diabetes and patient education. Her hobbies include reading and learning Spanish.

Debbie PolandDebbie Poland, PharmD, BCPS

Clinical Pharmacy Specialist

Dr. Poland earned her Pharm.D. from the University of Oklahoma College of Pharmacy in 2005 and completed a PGY-1 Pharmacy Residency at Norman Regional Health System in 2006. She has been employed at NRHS since 1992 beginning as the Infection Control Specialist then assuming the role of Manager, Performance Improvement. During pharmacy school she worked as a pharmacy technician. Her practice interests are adult medicine and emergency medicine. Her hobbies including cycling, cooking, and serving the needs of her cairn terrier, Pete.

Kimberly WhitleyKimberly Whitley, BS, PharmD

Staff/Clinical Pharmacist

Dr. Whitley majored in biochemistry and molecular biology at Oklahoma State University from 2005-2009. She earned her PharmD from the University of Oklahoma College of Pharmacy in 2013. She went on to complete a PGY-1 Pharmacy Residency at Norman Regional Health System (NRHS) in 2013-2014. She has been a pharmacist at NRHS since 2013 and practices in a decentralized pharmacy on the oncology/palliative care unit. She also performs distributive functions in addition to duties of a clinical pharmacy specialist. She recently helped implement a standard protocol for administration of hypertonic saline 23.4% in patients with refractory elevated intracranial pressure. Her current areas of interest include infectious diseases, oncology and internal medicine. In her spare time, she enjoys trying new restaurants with her husband, traveling, watching sports and playing tug-o-war with her dog, Chipper.

Sonal YangSonal Yang, PharmD, BCPS

Staff/Clinical Pharmacist

Dr. Yang completed her pre-pharmacy course work at Rice University and then earned her Pharm.D. from the University of Houston College of Pharmacy in 2002. She then went on to complete a PGY-1 Pharmacy Residency at Memorial Hermann Hospital in Houston and a PGY-2 in the Pediatric Pharmacotherapy Specialty Residency at Texas Children’s Hospital in Houston. She joined Norman Regional Health System in 2011. Her current areas of interest include oncology and nutrition support.