Penn Medicine Provider
Emergency Medicine
Gerald M. O'Neill, MD
Accepting new patients
Sees patients age 18 and up
Penn Emergency Medicine Penn Presbyterian
Call 800-789-7366

About me

  • Director of Physician Scheduling, Penn Presbyterian Medical Center
  • Chair, Unit Based Clinical Leadership Committee
  • Professor of Clinical Emergency Medicine

Education and training

  • Medical School: Tufts University School of Medicine
  • Residency: Temple University Hospital

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. O'Neill is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Agarwal AK, Seeburger E, O'Neill G, Nwakanma CC, Marsh LE, Soltany KA, South EC, Friedman AB. Prevalence of Behavioral Flags in the Electronic Health Record Among Black and White Patients Visiting the Emergency Department , JAMA Netw Open, 6: 2023,e2251734

Horn A, O'Neill G, Costantino TG Pneumoperitoneum. , The Journal of Emergency Medicine: 2009

O'Neill Gerald M, Costantino Thomas G, Karras David Bilateral tubal ectopic pregnancies. , Annals of Emergency Medicine, 50(4): 2007,e1-2

O'Neill Gerald M, Prasanna Murthy S N, Lorand Laszlo, Khanna Richie, Liu Shih-Chun, Hanspal Manjit, Hanada Toshihiko, Chishti Athar H Activation of transglutaminase in mu-calpain null erythrocytes. , Biochemical and Biophysical Research Communications, 307(2): 2003,327-31