Ralph G. Nader, MD, FASN
he/him/his
Renal Electrolyte and Hypertension
Accepting new patients
Sees patients age 18 and up
Penn Renal Electrolyte and Hypertension Perelman
Schedule onlineCall 215-662-2638
Penn Medicine Provider

About me

  • Assistant Professor of Clinical Medicine (Renal-Electrolyte and Hypertension)

Education and training

  • Medical School: American University of Beirut
  • Residency: Boston Medical Center
  • Fellowship: Boston Medical Center

What my patients think about me

Average Rating

252 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

November 2025
very knowledgeable doctor
October 2025
comfortable atmosphere
October 2025
i'm happy to have someone like that. appreciate it .
October 2025
listens to me, pays attention to detail, answers all of my questions, always comes out of his office to greet me and bring me to his office.

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. Nader is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Panthappattu, Justin Joseph; Toglia, Gianna C.; Lawanto, Stephanie; Geara, Abdallah Sassine; Nader, Ralph Complement-Mediated Thrombotic Microangiopathy Following Removal of Retained Products of Conception , Journal of the American Society of Nephrology: 2025

Nader R, Zhen A, Angel-Korman A, Pavlovich SS, Pogrebinsky A, Doros G, Menn-Josephy H, Stern L, Sanchorawala V, Havasi A. Predictors and outcomes of acute kidney injury during autologous stem cell transplantation in AL amyloidosis , Nephrol Dial Transplant, 37: 2022,1281-1288

Nader R, Angel-Korman A, Havasi A. Amyloidosis and the Kidney: An Update , Semin Nephrol: 2022

Nader R, Pavlovich S, Angel-Korman A, Pogrebinsky A, Doros G, Menn-Josephy H, Stern L, Sarosiek S, Brauneis D, Sanchorawala V, Havasi A. Risk Factors for AKI During Autologous Stem Cell Transplantation in AL Amyloidosis , Oral Presentation, ASN Kidney Week (Virtual): 2020

Kannan S, Morgan LA, Liang B, Cheung MG, Lin CQ, Mun D, Nader RG, Belghasem ME, Henderson JM, Francis JM, Chitalia VC, Kolachalama VB. Segmentation of Glomeruli Within Trichrome Images Using Deep Learning , Kidney Int Rep, 4: 2019,955-962

Abou Ali B, Nader R, Tamim H, Eid T, Boulos F, Khoury N, Akel S, Haidar R, Saghieh S, Abboud M, Muwakkit S, El-Solh H, Saab R. Outcome of Ewing sarcoma in a multidisciplinary setting in Lebanon , Pediatr Blood Cancer, 61(8): 2014,1472-5