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Yvonne El Kassis, MD

Yvonne El Kassis, MD Physician

Assistant Professor of Clinical Medicine

Languages spoken:

  • Arabic
  • French

Dr. El Kassis is employed by Penn Medicine.

In New Jersey, providers are affiliated with Penn Medicine through Clinical Health Care Associates of New Jersey.

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Clinical Specialties


  • Renal Electrolyte and Hypertension

Programs & Centers:

Board Certification:

  • Internal Medicine, 2015
  • Nephrology, 2017

Clinical Expertise:

  • End-Stage Kidney Disease
  • Hypertension
  • Kidney Transplant Rejection
  • Kidney Transplantation
  • Living Donor Kidney Transplantation
  • Renal Disease and Pregnancy
  • Vasculitis

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 Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • 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

Education and Training

Medical School: Saint Joseph's University Medical School
Residency: Cleveland Clinic Foundation
Fellowship: Cleveland Clinic Foundation
Fellowship: Northwestern Memorial Hospital


American College of Physicians (ACP), National American Society of Nephrology (ASN), National American Society of Transplantation (AST), National National Kidney Foundation (NKF), National

Hospital Affiliation

Dr. El Kassis is employed by 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.


Selected Publications:

Y Kassis, S Park, A Shetty, V Mas, J Leventhal, L Gallon: Long term outcomes of a steroid free, low dose tacrolimus with everolimus regimen in kidney transplant American Transplant Congress Meeting, Seattle, WA : 2018.

Y Kassis, E Poggio, Z Zaky: Basiliximab versus Thymoglobulin induction for pancreas transplant: a retrospective comparative study of graft and patient outcomes American Society of Nephrology, New Orleans, LA : 2017.

Y Kassis, R Fatica, L Herlitz, A Chiesa-Vottero, Z Zaky: Renal Parenchymal Malacoplakia in an Asymptomatic Kidney Transplant Recipient American Society of Nephrology, Chicago, IL : 2016.

Y Kassis, S Wang, J Khoury, E Poggio, G Nakhoul: Measurement of Glomerular Filtration Rate by clearance of non radioactive Iothalamate American Society of Nephrology, Chicago, IL : 2016.

Y Kassis, Z Zaky: Safety of Percutaneous Pancreas Allograft Biopsy in Enteric Drained Pancreas Transplants: a Single Center Experience in the New Millennium American Society of Nephrology, Chicago, IL : 2016.

Y Kassis, E Poggio, Z Zaky: Safety of percutaneous allograft biopsy in enteric drained pancreas transplants American Transplant Congress, Chicago, IL : 2016.

Y Kassis, R Heyka: Bilateral kidney infarcts with renovascular hypertension as a manifestation of segmental arterial mediolysis National Kidney Foundation, Boston, MA: Boston : 2016.

Y Kassis, L Herlitz: A variant of crystal storing histiocytosis associated with IgM Kappa gammopathy National Kidney Foundation, Boston, MA : 2016.

Y Kassis, A Shetty, R Fatica: Predictors of the Response to Bortezomib in Antibody Mediated Rejection following Kidney Transplant American Society of Nephrology, Philadelphia, PA : 2014.

A Shetty, Y Kassis, S Flechner, A Chiesa-Vottero, R Fatica: Comparison of a Bortezomib based and a standard regimen in antibody mediated rejection following kidney transplant American Society of Nephrology, Philadelphia, PA : 2014.

Academic Contact Info

Transplant Institute, 2 Dulles
University of Pennsylvania Hospital
3400 Spruce Street

Philadelphia, PA 19104
Patient appointments: 800-789-7366 (PENN)