
Vision, innovation, expertise
Program Manager: Benjamin Kendall Laughton, RN, MSN, CRNP
The Shock Trauma Center Nurse Practitioner / Physician Assistant Group consists of advanced practice nurses and physician's assistants dedicated to providing exceptional care to the traumatically injured patient. The nurse practitioners and physician's assistants are experts in their respective fields, many of whom are nationally recognized speakers and authors.
Shock Trauma Nurse Practitioner / Physician Assistant Group holds a major presence on every service including:
We currently have NP openings with the Acute Pain Management Service and Trauma Infectious Disease! Click here to search jobs and apply!
Patients treated by a member of the Shock Trauma Nurse Practitioner / Physician Assistant Group receives cutting edge holistic care, which reduces complications and leads to earlier discharge. Both physicians and bedside nurses depend upon this cohesive group of Nurse Practitioners and Physician Assistants to maintain continuity of care, facilitate progression of the patient through the complex trauma system, as well as respond to crises big and small.
The Nurse Practitioners and Physician’s Assistants at the R Adams Cowley Shock Trauma Center are famous for their ability to “make it happen”, whether the situation calls for acute resuscitation, daily patient management, or discharge coordination. Their impact on patient care is critical and vital.

Benjamin Kendall Laughton, RN, MSN, CRNP, MBA
Specialty Areas: Clinical Program Manager, Nurse Practitioner
Trauma Specialty Group
Graduate Degree: Johns Hopkins University
School of Nursing; Loyola College in Maryland
Under Graduate Degree: Earlham College, Johns Hopkins
University School of Nursing
Interests: Hospital Systems use of Nurse Practitioners; Nurse Practitioner Role Development; Hospital, Hospital throughput and bed utilization; Clinician sign-out processes; Nurse Practitioner E-Community development; Nurse Practitioner E-community development; Acute-Care Nurse Practitioner Education
Email: blaughton@umm.edu
Office: 410-328-9109
Fax: 410-328-8925
Briana Lafferty, MSN, CRNP
Specialty Area: Emergency Surgery
Graduate Degree: University of Pennsylvania
Under Graduate Degree: West Chester University of Pennsylvania
Interests: Sepsis, Critical Care
Email: blafferty@umm.edu
Office: 410-328-9109
Michelle Dunn, RN, MSN, CRNP
Specialty area: Trauma Infectious Disease
Graduate Degree: University of Maryland School of
Nursing
Under Graduate Degree: Johns Hopkins University School of Nursing,
Johns Hopkins University School of A&S
Interests: Infectious Disease in Trauma, Tropical Medicine
Email: mdunn@umm.edu
Office: 410-328-3656
Patty Casper, RN-C, MSN, CRNP
Specialty Areas: Clinical Nursing Director of Pain Management for Shock
Trauma, Infectious Diseases
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: University of Maryland School of Nursing
Certifications: Sigma Theta Tau, Phi Kappa Phi, National Certification-
Advanced Pain Management
Interests: Acute Pain; Infectious Diseases; Nursing Research for Clinical
Based Evidence
Email: pcasper@umm.edu
Office: 410-328-9109
Carla A. Aresco, RN, MSN, CRNP
Specialty Area: Trauma Neurosurgery
Graduate Degree: University of Maryland School of Nursing; University
of Massachusetts in Worcester (Post Masters in Acute Care)
Under Graduate Degree: Saint Joseph College, West Hartford, CT
Interests: Neurotrauma; Trauma Prevention
Email: caresco@umm.edu
Office: 410-328-9109
Tiffany S Blacklock, RN, BA, MSN, CRNP
Specialty Area: Trauma Neurosurgery
Graduate Degree: University of Maryland School of Nursing (MSN)
Under Graduate Degree: Johns Hopkins University School of Nursing
(BSN), Wittenberg University (BA)
Interests: Neurotrauma,Traumatic Brain Injury, Cardiac effects
of Neurotrauma, Critical Care
Email: tblacklock@umm.edu
Office: 410-328-9109
Patty Casper, RN-C, MSN, CRNP
Specialty Areas: Clinical Nursing Director of Pain Management for Shock
Trauma, Infectious Diseases
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: University of Maryland School of Nursing
Certifications: Sigma Theta Tau, Phi Kappa Phi, National Certification-
Advanced Pain Management
Interests: Acute Pain; Infectious Diseases; Nursing Research for Clinical
Based Evidence
Email: pcasper@umm.edu
Office: 410-328-9109
Cynthia Kerr Salmond, RN, MS, CRNP
Specialty Area: Acute Pain Management
Graduate Degree: University of Maryland
Under Graduate Degree: University of Maryland
Interest: Integrative medicine in stress reduction; Nurse Practitioner E-community development
Email: csalmond@umm.edu
Office: 410-328-0292
Sally Sachse, RN-C, MS, CRNP.
Specialty Area: Acute Pain Management
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: University of Maryland School of Nursing/Union
Memorial Hospital School of Nursing
Interest: pain management in the critical care patient, phantom
limb pain, pain in the spinal cord injured patient
Email: ssachse@umm.edu,
bsachse@msn.com
Office: 410-328-9109
Scott Taylor, RN,C, MS, CRNP, NREMT-P
Specialty Area: Acute Pain Management
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: Towson University
Certifications: Pain Management
Interest: Pain Management in the trauma patient, Treatment of pain in the elderly
Email: staylor@umm.edu
Office: 410-328-9109
Julia Dunning, RN, MSN, CRNP
Specialty Area: Trauma Orthopaedics
Graduate Degree: Johns Hopkins University School of Nursing
Under Graduate Degree: Johns Hopkins University School of Nursing (BSN), University of Maryland Baltimore County (BA)
Interests: Orthopedic Trauma
Email: Jdunning@umm.edu
Office: 410-328-2260
Joseph Larivey, RN, MSN, CRNP
Specialty Area: Trauma Orthopaedics
Graduate Degree: Bowie State University
Under Graduate Degree: University of Rochester
Interests: Soft Tissue Coverage
Email: Jlarivey@umm.edu
Office: 410-328-9109
Semere Teclay, MT( BS) PA-C
Specialty Area: Trauma Orthopaedics
Under Graduate Degree: University Of Maryland_Baltimore
Interests: Orthopaedic Trauma
Email: Steclay@umms.edu
Office: 410-389-9109
Mary Anne Orehek, PA-C, MS
Specialty Area: Trauma Orthopaedics
Under Graduate Degree: The Pennsylvania State University
Graduate Degree: The University of Medicine and Dentistry of New Jersey
Interests: Orthopaedic Trauma, PA's in Trauma, Role development of Physician Assistants
Email: morehek@umoa.umm.edu
Office: 410-389-9109
Roy Ball, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: University of South Florida
Interest: Trauma Pathophysiology
Email: rball@umm.edu
Office: 410-328-9109
Sharon Boswell, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: University of Maryland School of Nursing
Interests: Endocrinology; Geriatric Trauma
Email: sboswell@umm.edu
Office: 410-328-9109
Nicole Kelley, RN, CCRN, RNFA MS, CRNP
Specialty Areas: Plastic and Reconstructive Surgery
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: York College of PA
Interests: Use of Nurse Practitioners in the Operating Room; Microvascular
free tissue flaps
Email: tngrim@umm.edu
Office: 410-328-9109
K. Brooke Andersen, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Nebraska Medical Center
UnderGraduate Degree: University of Nebraska Medical Center
Interests: Traumatic Brain Injury, Neurological Monitoring
Email: Kandersen@umm.edu
Office: 410-328-9109
Frank Grosso, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
UnderGraduate Degree: University of Maryland School of Nursing
Interests: Trauma and Shock Resuscitation
Email: fgrosso@umm.edu
Office: 410-328-9109
Tiffany Hein, PA-C, MMS
Specialty Area: Traumatology
Graduate Degree: Saint Francis University
UnderGraduate Degree: University of Maryland
Interests: Resuscitation, abdominal trauma, PA's in trauma
Email: thein@umm.edu
Office: 410-328-9109
Ellyn Tennyson, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
Under Graduate Degree: University of Illinois School of Nursing
Interests: Pelvic Trauma; Entero-Cutaneous Fistulas
Email: etennyson@umm.edu
Office: 410-328-9109
Jennifer Trenary, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
UnderGraduate Degree: University of Maryland School of Nursing
Interests: Traumatic Brain Injury; Spinal Cord Injury
Email: jtrenary@umm.edu
Office: 410-328-9109
Cara Stitzer RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
Undergraduate Degree: University of Pennsylvania
Interests: Trauma Induced MI and Vascular Injuries
Email: cstitzer@umm.edu
Office: 410-328-9109
Michelle Willis, RN, MS, CRNP
Specialty Area: Traumatology
Graduate Degree: University of Maryland School of Nursing
UnderGraduate Degree: University of Maryland School of Nursing
Interests: Vascular injuries; Sepsis
Email: mwillis2@umm.edu
Office: 410-328-9109
Felicia Batten, RN, MSN, CRNP
Specialty Area: Wound Healing and Metabolism
Graduate Degree: University of Maryland School of Nursing
UnderGraduate Degree: Hampton University
Interests: Necrotizing Soft Tissue Infections
Email: fbatten@umm.edu
Office: 410-328-9109
Elena Keller, RN, MSN, CRNP
Specialty Area: Wound Healing and Metabolism
Graduate Degree: Bowie State University
UnderGraduate Degree: University of Maryland School of Nursing
Interest: Necrotizing Soft Tissue Wound Infections
Email: ekeller@umm.edu
Office: 410-328-9109
Trish Martin, MS, CRNP
Specialty Area: Wound Healing and Metabolism
Graduate Degree: University of Maryland School of Nursing
UnderGraduate Degree: Indiana University of Pennsylvania
Interests: Necrotizing Fasciitis; Complex Wound Management; NP Role in
the Operating Room
Email: tmartin@umm.edu
Office: 410-328-9109
Dora Russel
Email: drussell2@umm.edu
Office: 410-328-9109
Fax: 410-328-8925