Find a Doctor or Practice Location

You can also search for providers and practices at Penn Medicine Lancaster General Health or Princeton Health.

I am searching for a
Reset Form
Arun C. Nachiappan, MD

Arun C. Nachiappan, MD Physician

Director of Medical Student Education, Department of Radiology Associate Professor of Clinical Radiology

Dr. Nachiappan is employed by Penn Medicine.

Request a Callback
No Patient Satisfaction Reviews
Why not?

There is no publicly available rating for this medical professional for one of the following reasons:

  1. He or she is not employed by Penn Medicine.
  2. He or she does not see patients in a medical practice setting.
  3. He or she sees patients but has not yet received the minimum 30 patient satisfaction reviews in the past 12 months, ensuring that the rating is statistically reliable and a true reflection of patient satisfaction.

Clinical Specialties


  • Radiology

Programs & Centers:

Board Certification:

  • Diagnostic Radiology, 2007

Clinical Expertise:

  • Angiography
  • Arthrogram
  • Aspiration
  • Biopsy
  • CT Scan (Computed Tomography)
  • CT Scan Guided Biopsy
  • CT Scan Guided Injection
  • CTA (Computed Tomography Angiography)
  • Diagnostic Imaging
  • Diagnostic Test
  • Dilation
  • Elastography
  • Fistulogram
  • Fluoroscopy
  • Insufficiency Fracture
  • Lesion of Testis
  • Lung Cancer Screening
  • Magnetic Resonance Venography (MRV)
  • Minimally Invasive Surgery
  • MRA (Magnetic Resonance Angiography)
  • MRI (Magnetic Resonance Imaging)
  • MRI Guided Biopsy
  • Musculoskeletal Tumor
  • Nuclear Imaging
  • Pyelogram
  • Renal Mass
  • Stent Placement
  • Steroid Injection
  • Ultrasound
  • Ultrasound Guided Biopsy
  • Ultrasound Guided Injection
  • Urogram
  • Venography
  • X-Ray
Show All Expertise

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • CVS Health
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Homestead Smart Health Plans
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Amerihealth
  • NJ Medicaid
  • NJ Medicare
  • NJ Qualcare
  • Oxford Health Plan
  • PA Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Care
  • Preferred Health Care/LGH
  • Provider Partners Health Plan
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan
  • Veterans Choice Program
  • Vibra Health Plan

Education and Training

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


Alliance of Medical Student Educators in Radiology, National American College of Radiology, National Association of University Radiologists, National Pennsylvania Radiological Society, Local Radiological Society of North America, International

Hospital Affiliation

Dr. Nachiappan is employed by Penn Medicine.

Hospital Privileges:

  • Chester County Hospital: Has privileges to treat patients in the hospital.
  • 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.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.


Selected Publications:

Nachiappan AC, Rahbar K, Shi X, Guy ES, Barbosa EM, Shroff GS, Ocazionez D, Schlesinger AE, Katz SI, Hammer MM: Pulmonary Tuberculosis: Role of Radiology in Diagnosis and Management. Radiographics 37 : 52-72,2017.

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): 978-986,2018.

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): 23–27,2018.

Patel AM, Berger I, Wileyto EP, Khalid U, Torigian DA, Nachiappan AC, Barbosa EM Jr, Gefter WB, Galperin-Aizenberg M, Gupta NK, Simone CB 2nd, Haas AR, Alley EW, Singhal S, Cengel KA, Katz SI: The value of delayed phase enhanced imaging in malignant pleural mesothelioma. Journal of Thoracic Disease 9 (8): 2344-2349,2017.

Nachiappan AC, Horn GL, Spann SC, Mayo RC, Wynne DM, Archer BR, Whigham CJ, Hancock JA: Operator radiation dose reduction during fluoroscopic interventional procedures. Journal of American College of Radiology 12 (5): 527-530,2015.

Nachiappan AC, Valentin LI, Metwalli ZA, Vicens RA, Delumpa A, Philip PS, Kumar S, Soloff EV: CT Dose Reduction Workshop: An Active Educational Experience. Journal of American College of Radiology 12 (6): 610-616,2015.

Nachiappan AC, Metwalli ZA, Hailey BS, Patel RA, Ostrowski ML, Wynne DM: The Thyroid: Review of Imaging Features and Biopsy Techniques, with Radiologic-Pathologic Correlation. Radiographics 34 (2): 276-293,2014.

Nachiappan AC, Lee SR, Willis MH, Galfione MR, Chinnappan RR, Diaz-Marchan PJ, Bushong SC: Clinically oriented three-year medical curriculum: A new design for the future. American Journal of Roentgenology 199 (3): 635-643,2012.

Nachiappan AC, Wynne DM, Katz DP, Willis MH, Bushong SC: A Proposed Medical Physics Curriculum: Preparing for the 2013 ABR Examination. Journal of American College of Radiology 8 (1): 53-57,2011.

Singh AK, Nachiappan AC, Verma HA, Uppot RN, Blake MA, Saini S, Boland GW: Postoperative Liver Transplant Imaging: What a Radiologist Should Know. Radiographics 30 (2): 339-351,2010.

Academic Contact Info

Department of Radiology
Hospital of the University of Pennsylvania
3400 Spruce Street

Philadelphia, PA 19104
Phone: (215) 662-3042
Patient appointments: 800-789-7366 (PENN)