Meet the residents of the Penn Presbyterian Pharmacy program.

Previous PGY-1 Pharmacy Residents (2025)

Sophia Ellis headshot

Sophia Ellis, PharmD

Current Employment: Abington Hospital – Jefferson Health, PGY2 Critical Care Pharmacy Resident
Education: Philadelphia College of Pharmacy / Saint Joseph’s University

Thomas Hyson headshot

Thomas Hyson, BS, PharmD

Current Employment: Penn Presbyterian Medical Center, PGY2 Infectious Diseases Pharmacy Resident
Education: Jefferson College of Pharmacy

Russell Scarpa headshot

Russell Scarpa, PharmD

Current Employment: Robert Wood Johnson University Hospital, PGY2 Emergency Medicine Pharmacy Resident
Education: University of Rhode Island College of Pharmacy

Sarah Thomas headshot

Sarah Thomas, PharmD

Current Employment: Temple University School of Pharmacy, PGY2 Internal Medicine Pharmacy Resident
Education: Rutgers University, Ernest Mario School of Pharmacy

Previous PGY-1 Pharmacy Residents (2024)

Casandra Crompton headshot

Cassandra Crompton, PharmD

Current Employment: Penn Presbyterian Medical Center, Clinical Pharmacist – Ambulatory Care
Education: University of Rhode Island – Kingston, RI

Joshua Omlor headshot

Joshua Omlor, PharmD

Current Employment: Hospital of the University of Pennsylvania, Clinical Pharmacist – Emergency Medicine
Education: Ohio State University

Anthony Sidari headshot

Anthony Sidari, PharmD

Current Employment: Atrium Health Wake Forest Baptist, Hematology/Oncology Infusion Pharmacist
Education: Virginia Commonwealth University

Diane Walczyk headshot

Diana Walczyk, PharmD

Current Employment: MedStar Franklin Square Medical Center, Clinical Pharmacy Specialist – Antimicrobial Stewardship
Education: Philadelphia College of Pharmacy/Saint Joseph’s University

Previous PGY-1 Pharmacy Residents (2023)

Deanna Berg headshot

Deanna Berg, PharmD

Current Employment: AdventHealth Tampa, Clinical Pharmacist – Infectious Diseases
Education: St. John Fisher College/Wegmans School of Pharmacy - B.S., PharmD

Tiffany Gardner headshot

Tiffany Gardner, PharmD

Current Employment: Hospital of the University of Pennsylvania, Clinical Pharmacist – Cardiology
Education: Jefferson College of Pharmacy – PharmD

Jonathan Little headshot

Jonathan Little, PharmD

Education: Wilkes University Nesbitt School of Pharmacy

Serena Mang headshot

Serena Mang, PharmD

Current Employment: MedStar Good Samaritan Hospital, Clinical Pharmacist – Emergency Medicine
Education: Thomas Jefferson University, Jefferson College of Pharmacy – PharmD

Previous PGY1 Pharmacy Residents (2022)

Emily Casey headshot

Emily Casey, PharmD

Current Employment: Hospital of the University of Pennsylvania, Clinical Pharmacy Specialist – Pain Management
Education: Rutgers University, Ernest Mario School of Pharmacy – PharmD

Lazina  Chowdhury headshot

Lazina Chowdhury, PharmD

Current Employment: Penn Presbyterian Medical Center, Clinical Pharmacist - Ambulatory Care
Education: Temple University School of Pharmacy

Undergraduate School: Life Sciences, Pennsylvania State University
Sandhya Vijapurapu headshot

Sandhya Vijapurapu, PharmD, BCOP

Current Employment: Fred Hutch, Clinical Pharmacist - Oncology
Education: Duquesne University School of Pharmacy – PharmD

Cassidi Weaver headshot

Cassidi Weaver, PharmD

Current Employment: Brigham and Women's Hospital, Clinical Pharmacist – Oncology
Education: Thomas Jefferson University, Jefferson College of Pharmacy – PharmD

Previous PGY-1 Pharmacy Residents (2021)

Aja Badgeley headshot

Aja Badgeley, PharmD

Current employment: ChristianaCare Health System, Inpatient Pharmacist
Education: Thomas Jefferson University, Jefferson College of Pharmacy – PharmD/p>

Nicole Leshko headshot

Nicole Leshko, PharmD, BCCCP

Current Employment: Northwestern Medicine, Clinical Pharmacist – Critical Care
Education: Thomas Jefferson University, Jefferson College of Pharmacy – PharmD

Andrea Sampson headshot

Andréa Sampson, PharmD

Current employment: ChristianaCare Health System, Clinical Pharmacist
Education: Temple University School of Pharmacy – PharmD

Previous PGY-1 Pharmacy Residents (2020)

Hanna Kafished headshot

Hannah Kafisheh, PharmD

Current Employment: Clinical Pharmacy Specialist, UCHealth Memorial Hospital Central – Colorado Spring
Education: Thomas Jefferson University, Jefferson College of Pharmacy

Emma Kim headshot

Emma Kim, PharmD, BCPS

Current Employment: ChristianaCare, Clinical Pharmacy Specialist – Ambulatory Care
Education: Rutgers University, Ernest Mario School of Pharmacy – PharmD

Derek Peiffer headshot

Derek Peiffer, PharmD, BCEMP

Current Employment: Penn Presbyterian Medical Center, Clinical Pharmacy Specialist – Emergency Medicine
Education: Temple University School of Pharmacy – PharmD

Mandy Wen

Mandy (Si) Wen, PharmD, BCPS

Current Employment: MDX Hawai’i, Director – Clinical Pharmacy
Education: Thomas Jefferson University, Jefferson College of Pharmacy

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Previous PGY-1 Pharmacy Residents (2019)

Wei Lin headshot

Nick (Wei) Lin, PharmD

Current Employment: Scripps Health, Clinical Pharmacy Specialist – Oncology
Education: University of the Sciences, Philadelphia College of Pharmacy

Ashley Maister headshot

Ashley Maister, PharmD, BCPP

Current Employment: Philadelphia VA Medical Center, Psychiatric Clinical Pharmacy Practitioner
Education: Thomas Jefferson University, Jefferson College of Pharmacy – PharmD

Kaitlyn Slaff headshot

Kaitlyn Slaff, PharmD

Current Employment: Geisinger Medical Center, Clinical Pharmacist – Hematology/Oncology
Education: Thomas Jefferson University, Jefferson College of Pharmacy

Brittany Tschaen headshot

Brittany Tschaen, PharmD, MS, BCPS

Current Employment: Massachusetts General Hospital, Clinical Pharmacist
Education: Thomas Jefferson University, Jefferson College of Pharmacy

Previous PGY-1 Pharmacy Residents (2018)

Headshot of Nina Chacko, PharmD

Nina (Chacko) Jacoby, PharmD, BCPS

Current Employment: Christiana Care Health System, Clinical Pharmacist
Education: Rutgers University, Ernest Mario School of Pharmacy

Headshot of Chenzi Huang, PharmD

Chelsea Huang, PharmD

Current Employment: tDeborah Heart and Lung Center, Clinical Pharmacy Specialist – Infectious Diseases
Education: Thomas Jefferson University, Jefferson College of Pharmacy

Headshot of Kevin Lee, Pharmd

Kevin Lee, PharmD, AAHIVP

Current Employment: Merck, Global Medical Information Scientist
Education: Massachusetts College of Pharmacy and Health Sciences – PharmD

Headshot of Jola Salavaci, PharmD

Jola (Salavaci) Gjogu, PharmD

Current Employment: Astra Zeneca, Director – Medical Information & Communications
Education: Temple University School of Pharmacy

Previous PGY-1 Pharmacy Residents (2016-17)

  • Natalie Blaine, PharmD
    Education: University of Iowa College of Pharmacy, Iowa City, IA
    Current Employment: Penn Presbyterian Medical Center, Ambulatory Care Pharmacist
  • Katarzyna Gosek, PharmD
    Education: Temple University School of Pharmacy, Philadelphia, PA
    Current Employment: Johnson & Johnson, Medical Science Liaison
  • Erika Modh, PharmD
    Education: Rutgers University, Piscataway, NJ
    Current Employment: Otsuka Pharmaceuticals, Medical Science Liaison
  • Ashley Sheridan, PharmD
    Education: Massachusetts College of Pharmacy & Health Sciences, Boston, MA
    Current Employment: Penn Presbyterian Medical Center, Clinical Pharmacist

Previous PGY-1 Pharmacy Practice Residents (2015-16)

  • Brooklyn Cobb, PharmD
    Education: Hampton University, Hampton, VA
    Current Employment: Usciences, Assistant Professor of Clinical Pharmacy
  • Regina Swisher, PharmD
    Education: Usciences, Philadelphia, PA
    Current Employment: Astra Zeneca Pharmaceuticals, Senior Medical Information Manager

Previous PGY-1 Pharmacy Practice Residents (2014-15)

  • Amy Cheng, PharmD
    Education: University of Maryland, Baltimore, MD
    Current Employment: Temple University, Assistant Professor of Clinical Pharmacy
  • Kasey Brown, PharmD
    Education: Jefferson College of Pharmacy, Philadelphia, PA
    Current Employment: Hospital of University of Pennsylvania, Clinical Pharmacist

Previous PGY-1 Pharmacy Practice Residents (2013-14)

  • Christo Cimino, PharmD
    Education: USciences, Philadelphia, PA
    Current Employment: Vanderbuilt Medical Center, Clinical ID Pharmacist
  • Nicholas Hurrey, PharmD
    Education: USciences, Philadelphia, PA
    Current Employment: Thomas Jefferson University, Pharmacy Informatics Manager

Previous PGY-1 Pharmacy Practice Residents (2012-13)

  • Danielle Evans, PharmD
    Education: USciences, Philadelphia, PA
    Current Employment: Doylestown Hospital, Critical Care Specialist
  • Lynn Ngyuen, PharmD
    Education: Jefferson College of Pharmacy, Philadelphia, PA
    Current Employment: Los Alamitos Medical Center, Clinical Pharmacist

Previous PGY-1 Pharmacy Practice Residents (2011-12)

  • Jennifer Bushen, PharmD
    Education: Duquesne Univeristy, Pittsburgh, PA
    Current Employment: Janssen Pharmaceuticals, Medical Science Lisason
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