Penn Medicine Provider
Radiology
Arun C. Nachiappan, MD
Accepting new patients
Sees patients age 18 and up

About me

  • Director of Clinical Clerkship in Radiology
  • Associate Professor of Clinical Radiology

Education and training

  • Medical School: Rutgers New Jersey Medical School
  • Residency: Hennepin County Medical Center
  • Residency: University of Minnesota Hospitals
  • Fellowship: Massachusetts General Hospital

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Penn Medicine Rittenhouse Long-Term Acute Care Hospital
  • Chester County Hospital: Has privileges to treat patients in the hospital.
Dr. Nachiappan is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Simpson S, Hershman M, Nachiappan AC, Raptis C, Hammer MM The Short and Long of COVID-19: A Review of Acute and Chronic Radiologic Pulmonary Manifestations of SARS-2-CoV and Their Clinical Significance. , Clinics in Chest Medicine , 45(2): 2024,383-403


Donuru A, Torigian DA, Nachiappan AC Grayscale Inversion to aid Diagnosis of Acute Occlusive and Chronic Pulmonary Embolism on CT. , International Journal of Angiology, 33(2): 2024,132–133


Donuru A, Araki A, Dako F, Dave JK, Perez RP, Xu D, Nachiappan A, Barbosa EB Jr, Noel P, Litt H, Knollman F Photon-counting detector CT allows significant reduction in radiation dose while maintaining image quality and noise on non-contrast chest CT. , European Journal of Radiology Open, 11: 2023,100538


Hao M, Edmonds CE, Nachiappan AC, Conant EF, Zuckerman SP Management Strategies for Patients Presenting With Symptomatic Lymphadenopathy and Breast Edema After Recent COVID-19 Vaccination. , American Journal of Roentgenology , 218(6): 2022 ,970-976


Thomas SP, Fathy R, Aepli S, Clancy CB, Lipschik GY, Simpson SA, Katz SI, Doms RW, Nachiappan AC Comparative Evaluation of Choose Your Own Adventure and Traditional Linear Case Formats in Radiology Small Group Teaching. , Academic Radiology , 29(Suppl 5): 2022,S82-S88


Weeks JK, Pakpoor J, Park BJ, Robinson NJ, Rubinstein NA, Prouty SM, Nachiappan AC Harnessing Augmented Reality and CT to Teach First-Year Medical Students Head and Neck Anatomy. , Academic Radiology, 28: 2021,871-876


Sheng M, Shah P, Choi JM, Gillis E, Katz SI, Simpson SA, Novak SH, Nachiappan AC Patient-Centered and Specialty-Specific Case Work-Up: An Effective Method for Teaching Appropriateness of Imaging to Medical Students. , Academic Radiology, 26(6): 2019,846-850


Shah P, Sheng M, Mankoff DA, Trerotola SO, Galperin-Aizenberg M, Katz SI, Barbosa EJM, Nachiappan AC Impact of early radiology research experiences on medical student perceptions of radiology and research: a pilot study. , Current Problems in Diagnostic Radiology, 48(5): 2019,423-426


Katz SI, Hammer M, Bagley SJ, Aggarwal C, Bauml JM, Thompson JC, Nachiappan AC, Simone CB, Langer CJ Radiologic Pseudoprogression during Anti–PD-1 Therapy for Advanced Non–Small Cell Lung Cancer. , Journal of Thoracic Oncology, 13(7): 2018,978-986


Hammer MM, Nachiappan AC, Barbosa EJM Jr Limited Usage of Pulmonary Nodule Risk Calculators for Managing Large Nodules. , Current Problems in Diagnostic Radiology, 47(1): 2018,23–27