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Program Preceptors

Javier Vázquez, Pharm.D., MS

Javier Vázquez, Pharm.D., MS

Director, Inpatient and Outpatient Pharmacies at Johns Hopkins Bayview

Javier Vázquez, Pharm.D., MS, director of pharmacy at Johns Hopkins Bayview Medical Center, earned a doctorate of pharmacy degree from the University of Puerto Rico’s School of Pharmacy. Upon graduation, he pursued a master's of science degree at The Ohio State University in Health-System Pharmacy Administration (HSPA). During that time, he also completed PGY1 and PGY2 HSPA residencies at Grant Medical Center in Columbus, Ohio.

Dr. Vázquez serves as the co-chair of the PPMI Task Force for the Maryland Society of Health-System Pharmacists (MSHP). He also serves as a pharmacist faculty member and coordinator for the Bernard J. Dunn School of Pharmacy at Shenandoah University. He is a preceptor for APPE students and PGY1 residents in practice management rotations, as well as for PGY1 and PGY2 HSPA residents from the Johns Hopkins Hospital completing elective rotations as Johns Hopkins Bayview Medical Center.

Stacy Elder Dalpoas, Pharm.D., BCPSStacy Elder Dalpoas, Pharm.D., BCPS

Assistant Director, Decentralized and Clinical Pharmacy Services
Director, PGY-1 Pharmacy Residency Program

Stacy Elder Dalpoas, Pharm.D., BCPS, assistant director of decentralized and clinical pharmacy services, and director of Johns Hopkins Bayview's PGY1 Pharmacy Residency Program, earned a doctorate of pharmacy degree at the University of North Carolina Eshelman School of Pharmacy. She completed PGY1 and PGY2 Pharmacotherapy Residencies at The Johns Hopkins Hospital.

Dr. Dalpoas serves as a delegate for Maryland in the American Society of Health-System Pharmacists (ASHP) House of Delegates, and is actively involved in the state and national health-system pharmacy organizations. She serves as a preceptor for pharmacy residents as well as students from Bernard J. Dunn School of Pharmacy at Shenandoah University, Notre Dame of Maryland University, and University of Maryland School of Pharmacy.

Elsen Jacob, Pharm.D., BCPS, BCGP, CPPS

Elsen Jacob, Pharm.D., BCPS, BCGP, CPPS

Clinical Pharmacy Specialist, Internal Medicine & Geriatrics
Coordinator, PGY-1 Pharmacy Residency Program

Elsen Jacob, Pharm.D., BCPS, BCGP, CPPS, serves as a clinical pharmacy specialist in internal medicine and geriatrics, as well as coordinator of the PGY-1 pharmacy residency program. She earned a doctor of pharmacy from St. John's University in Queens, New York, and completed a PGY-1 residency at the Brigham and Women's Hospital in Boston, Massachusetts.

Dr. Jacob is an active member of the institution and health system. She serves as a member of the Credentialing, Privileging and Protocols Subcommittee and on the Pharmacotherapy Specialty Panel of the Pharmacy & Therapeutics Committee, among others. Her clinical interests include transitions of care, anticoagulation, geriatrics and patient safety.

In addition to precepting pharmacy residents, Dr. Jacob is a clinical assistant professor at the University of Maryland School of Pharmacy, and serves as a preceptor for students from the Bernard J. Dunn School of Pharmacy at Shenandoah University and the Notre Dame University.

Victoria Adams, Pharm.D., BCPS-AQ IDVictoria Adams, Pharm.D., BCPS-AQ ID

Victoria Adams, Pharm.D., BCPS-AQ ID, is a clinical specialist in infectious diseases. She earned a doctorate of pharmacy degree at The State University at Buffalo School of Pharmacy. After graduation, she completed a PGY-1 pharmacy practice residency at The Mount Sinai Medical Center in New York City, followed by a PGY-2 Infectious Diseases Residency at The Clement J. Zablocki Veterans Affairs Medical Center in Milwaukee, Wisconsin.

As a member of the Antimicrobial Utilization Review Committee and Pharmacy & Therapeutics Committee, Dr. Adams works to assist in the effort to ensure the efficacious and safe use of antimicrobials. Her interests include antimicrobial stewardship and gram-negative bacteria resistance.

Nazeer Ahmed, Pharm.D., BCPS, CGp

Nazeer Ahmed, Pharm.D., BCPS, CGP

Nazeer Ahmed, Pharm.D., BCPS, CGP, graduated from University of Madras, India with a bachelor's in pharmacy. He later earned a doctorate degree at the University of Maryland, Baltimore School of Pharmacy. He is board-certified in pharmacotherapy and is a certified geriatric pharmacist.

Dr. Ahmed is a clinical specialist in internal medicine and geriatrics at Johns Hopkins Bayview Medical Center. He has worked within the University of Maryland Medical System as well.

Dr. Ahmed is a member of both ASHP and MSHP and plays an active role in educating and mentoring both student pharmacists and PGY1 residents on his internal medicine rotation. He is highly recognized by his internal medicine faculty and nurses and is involved with various committees focused on improving the health and safety of medicine and geriatric patients. Dr. Ahmed has received recognition from the Medical Center for his many contributions to safe patient care.

Sasha Beselman, Pharm.D., MBA

Sasha Beselman, Pharm.D., MBA

Sasha Beselman, Pharm.D., MBA, is a clinical research pharmacist and a certified clinical research professional. She earned a doctorate of pharmacy degree from the University of Maryland School of Pharmacy and master's of business administration from the University of Baltimore.

After graduation, she worked as a clinical research pharmacist at the Johns Hopkins Bayview Medical Center, Columbia University and University of Maryland Medical Center. She also worked at the New York State Psychiatric Institute as a pharmacy director.

Dr. Beselman is a clinical assistant professor for the University of Maryland School of Pharmacy, and precepts investigational drugs elective rotation for the University of Maryland School of Pharmacy and for the School of Pharmacy at Notre Dame of Maryland University. She also precepts investigational drugs elective rotation for the PGY-1 residency program at Johns Hopkins Bayview.

Catherine Burdalski, Pharm.D.Catherine Burdalski, Pharm.D.

Catherine (Kate) Burdalski, Pharm.D., is a clinical specialist in oncology. She earned a doctorate of pharmacy degree at the University of the Sciences, Philadelphia College of Pharmacy. After graduation, she stayed at Philadelphia College of Pharmacy to complete a PGY-1 Pharmacy Practice Residency dually focused in academia and pharmacy practice. Following the PGY-1, Dr. Burdalski completed a PGY-2 residency in oncology at the Hospital of the University of Pennsylvania.

Dr. Burdalski is involved with various committees at the institution including, the oncology specialty panel and the Beacon Multidisciplinary Workgroup (BMW). She currently precepts students from Shenandoah University and residents at Johns Hopkins Bayview Medical Center. Her clinical interests include targeted and immunotherapy, pharmacist-driven oral chemotherapy management, management of oncologic emergencies, and supportive care.

Bryna Delman Ewachiw, Pharm.D., BCOP

Bryna Delman Ewachiw, Pharm.D., BCOP

Bryna Delman Ewachiw, Pharm.D., BCOP, oncology pharmacy coordinator at Johns Hopkins Bayview, earned a bachelor's and doctorate of pharmacy degree from Temple University School of Pharmacy in Philadelphia, Pennsylvania. She has practiced in the field of oncology for over 15 years, among the top cancer programs in the region at The University of Maryland Medical Center and The Johns Hopkins Hospital. She holds clinical interests in supportive care, geriatric oncology and improving patient outcomes as a member of the oncology multi-disciplinary team.

Dr. Ewachiw also serves as clinical assistant professor at University of Maryland School of Pharmacy. She precepts at Johns Hopkins Bayview Medical Center, Shenandoah University, Bernard J. Dunn School of Pharmacy, and Notre Dame of Maryland University.

Additionally, Dr. Ewachiw is active in both the Hematology and Oncology Pharmacists’ Association (HOPA) and the Maryland Society of Health-System Pharmacists (MSHP).

Candace Farley, Pharm.D., BCPSCandace Farley, Pharm.D., BCPS

Candace Farley, Pharm.D., is a clinical specialist in internal medicine specializing in transitions of care and readmissions. She earned a doctorate of pharmacy degree at Florida Agricultural and Mechanical University. After graduation, she completed a PGY-1 pharmacy practice residency at Auburn University and East Alabama Medical Center located in Auburn, Alabama.

A member of the Anticoagulation Therapy Management Team, Dr. Farley sees patients in the Anticoagulation Clinic. She precepts pharmacy residents in the ambulatory care rotation, as well as pharmacy students from Shenandoah University in ambulatory care, internal medicine and readmissions.

Dr. Farley's clinical interests include congestive heart failure, anticoagulation and reducing readmission rates. She also loves to extend her professional practices across the seas by participating in yearly medical mission trips.

Lynn Frendak, Pharm.D., BCPS

Lynn Frendak, Pharm.D., BCPS

Lynn Frendak, Pharm.D., is a pharmacist in pain management and palliative care. She earned a doctorate of pharmacy degree at the Medical College of Virginia (Virginia Commonwealth University). Following graduation, she completed a PGY-1 pharmacy practice residency at Johns Hopkins Bayview Medical Center.

Dr. Frendak is a clinical assistant professor at University of Maryland School of Pharmacy and precepts for Notre Dame University. She also precepts the pain management rotations for the PGY-1 residency program at Johns Hopkins Bayview.

Angela Helder, Pharm.D.

Angela Helder, Pharm.D.

Angela M. Helder, Pharm.D., BCPS, is the medication safety coordinator at Johns Hopkins Bayview Medical Center. Dr. Helder earned a doctorate of pharmacy degree from The Eugene Applebaum College of Pharmacy at Wayne State University in Detroit, Michigan. Upon graduation, she completed a PGY-1 pharmacy practice residency and PGY-2 pediatric specialty residency at The Johns Hopkins Hospital. She is a member of several professional organizations, including the Medication Safety Officers Society, the American Society of Health-System Pharmacists and the Maryland Society of Health Systems Pharmacists.

Dr. Helder’s primary responsibility is investigating medication-related events and helping develop system changes that promote the safe use of medications within the hospital and health-system. In addition, she is a member of various hospital committees and workgroups supporting patient and medication quality and safety.

Nicole Kiehle, Pharm.D., BCPS

Nicole Kiehle, Pharm.D., BCPS

Nicole Kiehle, Pharm.D., BCPS, is a pharmacist in both burn and surgical critical care at Johns Hopkins Bayview Medical Center. She earned a doctorate of pharmacy degree at Duquesne University and completed a PGY-1 pharmacy practice residency at Walter Reed National Military Medical Center in Bethesda, Maryland.

Dr. Kiehle is a member of the Critical Care Joint Practice Committee, Pharmacy Policy Review Committee, Sepsis Committee and Continuing Education Committee. Her interests are in surgical critical care and education of students and residents.

A preceptor of critical care rotations for the PGY-1 residency programs at Johns Hopkins Bayview Medical Center, Dr. Kiehle also serves as a clinical assistant professor at University of Maryland School of Pharmacy and precepts for Notre Dame University.

Catherine Kiruthi, Pharm.D., BCPS

Catherine Kiruthi, Pharm.D., BCPS

Catherine Kiruthi, Pharm.D., BCPS, is a senior clinical pharmacist in the cardiology ICU and anticoagulation clinic. She earned a doctorate of pharmacy degree from the University of Maryland School of Pharmacy. After graduation, she completed a PGY-1 primary care pharmacy practice residency at Columbus Regional Hospital in Columbus, Georgia.

Also a clinical associate professor for University of Maryland School of Pharmacy, Dr. Kiruthi precepts pharmacy students for University of Maryland and the Nortre Dame of Maryland University in Baltimore. She also precepts pharmacy residents in the ambulatory care rotation in anticoagulation clinic for the PGY-1 residency program at Johns Hopkins Bayview Medical Center.

Dr. Kiruthi holds clinical practice interests in cardiology critical care, anticoagulation management and transitions of care. She is a member of the Society of Critical Care Medicine, the American College of Clinical Pharmacy and the Maryland Society of Health-System Pharmacists.

Laura Leathers, Pharm.D., BCPPS

Laura Leathers, Pharm.D., BCPPS

Laura Leathers, Pharm.D., BCPPS, is a clinical pharmacy specialist in pediatrics at Johns Hopkins Bayview Medical Center. She earned a doctorate of pharmacy degree from Medical University of South Carolina. Upon graduation, she stayed in Charleston, SC, and completed a PGY-1 pharmacy practice and a PGY-2 pediatric pharmacy residency at the Medical University of South Carolina.

Dr. Leathers is active within the institution as a member of the Clinical Informatics Subcommittee of the Clinical Practice Council, Maternal Child Health Joint Practice Council, and Pediatric Anticoagulation Management Service Team. She is an active member of the Pediatric Pharmacy Advocacy Group (PPAG), and her research areas of interest include medication safety, iatrogenic drug withdrawal, and neonatal antimicrobial management.

Dr. Leathers is a clinical assistant professor at University of Maryland School of Pharmacy and precepts students from Notre Dame University. She also precepts in neonatal/pediatric rotations for the PGY-1 pharmacy practice residency program.

Ryan Majchrzak, Pharm.D., MBARyan Majchrzak, Pharm.D., MBA

Ryan Majchrzak, Pharm.D., MBA, earned a doctorate of pharmacy degree at the University of Maryland at Baltimore School of Pharmacy. He pursued the dual degree program at University of Maryland, and also earned a master's of business administration at the University of Baltimore.

Dr. Majchrzak serves as the co-chair of the Medication Process Committee and the Department of Pharmacy's Policy Review Committee. He also is an active participant of the Pharmacy & Therapeutics and Controlled Substance Review committees.

Also serving as a preceptor for APPE students and PGY1 residents in practice management rotations, Dr. Majchrzak's primary focus is to optimize pharmacy-related technologies to support the pharmacy staff in a role to review, prepare, and provide medications to patients in a safe, efficient, and cost effective manner.

Ashley Martinelli, Pharm.D.Ashley Martinelli, Pharm.D.

Ashley N. Martinelli, Pharm.D., is a clinical pharmacy specialist in emergency medicine at Johns Hopkins Bayview Medical Center. She earned a doctorate of pharmacy degree from The James L. Winkle College of Pharmacy at the University of Cincinnati. Upon graduation, she completed a PGY-1 pharmacy practice residency at The Johns Hopkins Hospital, followed by a PGY-2 residency in critical care at Allegheny General Hospital in Pittsburgh, Pennsylvania.

Dr. Martinelli is active within the institution as a member of the Pharmacotherapy Specialty Panel of the Pharmacy and Therapeutics Committee, Emergency Department Joint Practice Council, Emergency Response Committee, Emergency Preparedness Committee, and the Antimicrobial Utilization Review Committee. Her research areas of interest include reversal of anticoagulation, infectious diseases, emergency preparedness, sedation and toxicology.

Dr. Martinelli is a clinical assistant professor at University of Maryland School of Pharmacy and precepts APPE students from the Bernard J. Dunn School of Pharmacy at Shenandoah University. She also is a preceptor for the PGY-1 pharmacy practice residency program and the PGY-2 emergency medicine residency at The Johns Hopkins Hospital.

Paul Ortiz, Pharm.D., BCPS, CGPPaul Ortiz, Pharm.D., BCPS, CGP

Paul Ortiz, Pharm.D., BCPS, CGP, is a clinical pharmacy specialist in internal medicine and geriatrics at Johns Hopkins Bayview Medical Center. He earned a doctorate of pharmacy from the University of Maryland School of Pharmacy. After graduation, he completed a PGY-1 Pharmacy Practice Residency at Johns Hopkins Bayview Medical Center and a PGY-2 Geriatric Pharmacy Practice Residency at the University of Maryland School of Pharmacy.

Dr. Ortiz is involved in various committees within the institution, including Medication Error Reduction Improvement Team (MERIT) and the Falls & Restraints Committee. He also is an active member of Maryland Chapter of American Society of Consultant Pharmacists (MD-ASCP). His clinical interests include geriatrics, transitions of care, dementia and medication safety.

Charlie Twilley, Pharm.D., MBA

Charlie Twilley, Pharm.D., MBA

Charlie Twilley, Pharm.D., MBA, is a clinical specialist in ambulatory medicine/anticoagulation management. He earned a doctorate of pharmacy from the University of Maryland and an MBA at the University of Baltimore. He has worked at the University of Maryland Medical Center and the Johns Hopkins Bayview Medical Center.

In addition to serving as a clinical assistant professor at the University of Maryland and precepting at the College of Notre Dame in Maryland, Dr. Twilley also precepts ambulatory care medicine and drug information & policy for the PGY-1 Residency Program at Johns Hopkins Bayview Medical Center.

Henry Yeh, Pharm.D.

Henry Yeh, Pharm.D.

Henry Yeh, Pharm.D., is a graduate of the University of Maryland, Baltimore School of Pharmacy and completed residency training at West Virginia University Medical Center.

Dr. Yeh has been a clinical pharmacy specialist since beginning his career at Johns Hopkins Bayview after his residency. He is responsible for patient care activities in the Medical Intensive Care Unit and has been involved with many quality improvement initiatives. He continues to work on departmental projects in many areas throughout the Medical Center.

Dr. Yeh is the primary preceptor for the MICU rotation for the PGY1 program and is committed to teaching residents, nurses and providers on various critical care topics. He also serves as the pharmacy representative for the MICU and technology committees, and has been responsible for developing and reviewing protocols for sepsis, insulin management and improving patient care with technology. Dr. Yeh has been recognized by the MICU and CICU staff for his commitment to patient care.

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