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Saar I. Gill, MD

Saar I. Gill, MD Physician

Assistant Professor of Medicine at the Hospital of the University of Pennsylvania

Dr. Gill is a Penn Medicine employed physician.

Clinical Specialties


  • Hematology
  • Medical Oncology

Programs & Centers:

Board Certification:

  • Physicians

Clinical Expertise:

  • Bone Marrow Transplant
  • Leukemia
  • Myelodysplastic Syndromes (MDS)
  • Stem Cell Transplant

Description of Clinical Expertise

Blood and Marrow Transplantation
Myelodysplastic Syndromes
Myeloproliferative Neoplasms
Lymphoproliferative Neoplasms
Bone Marrow Failure

Practice Locations and Appointments

  • Abramson Cancer Center

    Perelman Center for Advanced Medicine West Pavilion, 2nd Floor 3400 Civic Center Boulevard Philadelphia, PA 19104 800-789-PENN (7366)

    A facility of the Hospital of the University of Pennsylvania

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • 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 Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: University of Melbourne
Residency: St. Vincent's Hospital Melbourne
Residency: St. Vincent Hospital
Residency: St. Vincent's Hospital
Fellowship: Peter MacCallum Cancer Centre
Fellowship: Hospital of the University of Pennsylvania


American Society of Blood and Marrow Transplantation, International American Society of Hematology, International

Hospital Affiliation

Dr. Gill is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.


Description of Research Expertise:

Tumor Immunology
Chimeric Antigen Receptor T cells
Mouse Models of Human Leukemia
Murine Xenografts
Adoptive Cellular Therapy
Genetic Engineering of T cells
Flow Cytometry

Selected Publications:

Sotillo Elena, Barrett David M, Black Kathryn L, Bagashev Asen, Oldridge Derek, Wu Glendon, Sussman Robyn, Lanauze Claudia, Ruella Marco, Gazzara Matthew R, Martinez Nicole M, Harrington Colleen T, Chung Elaine Y, Perazzelli Jessica, Hofmann Ted J, Maude Shannon L, Raman Pichai, Barrera Alejandro, Gill Saar, Lacey Simon F, Melenhorst Jan J, Allman David, Jacoby Elad, Fry Terry, Mackall Crystal, Barash Yoseph, Lynch Kristen W, Maris John M, Grupp Stephan A, Thomas-Tikhonenko Andrei: Convergence of Acquired Mutations and Alternative Splicing of CD19 Enables Resistance to CART-19 Immunotherapy. Cancer discovery 5 (12): 1282-95,2015.

Gill Saar, Maus Marcela V, Porter David L: Chimeric antigen receptor T cell therapy: 25years in the making. Blood reviews : 2015.

Reshef Ran, Huffman Austin P, Gao Amy, Luskin Marlise R, Frey Noelle V, Gill Saar I, Hexner Elizabeth O, Kambayashi Taku, Loren Alison W, Luger Selina M, Mangan James K, Nasta Sunita D, Richman Lee P, Sell Mary, Stadtmauer Edward A, Vonderheide Robert H, Mick Rosemarie, Porter David L: High Graft CD8 Cell Dose Predicts Improved Survival and Enables Better Donor Selection in Allogeneic Stem-Cell Transplantation With Reduced-Intensity Conditioning. Journal of clinical oncology : official journal of the American Society of Clinical Oncology 33 (21): 2392-8,2015.

Ruella Marco, Gill Saar: How to train your T cell: genetically engineered chimeric antigen receptor T cells versus bispecific T-cell engagers to target CD19 in B acute lymphoblastic leukemia. Expert opinion on biological therapy 15 (6): 761-6,2015.

Gill Saar: The Yin and Yang of Alloreactivity: Chronic Graft-versus-Host Disease and Leukemia Relapse. Clinical cancer research : an official journal of the American Association for Cancer Research 21 (9): 1981-3,2015.

Bagley Stephen J, Sehgal Alison R, Gill Saar, Frey Noelle V, Hexner Elizabeth O, Loren Alison W, Mangan James K, Porter David L, Stadtmauer Edward A, Reshef Ran, Luger Selina M: Acute cholecystitis is a common complication after allogeneic stem cell transplantation and is associated with the use of total parenteral nutrition. Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation 21 (4): 768-71,2015.

Gill Saar, June Carl H: Going viral: chimeric antigen receptor T-cell therapy for hematological malignancies. Immunological reviews 263 (1): 68-89,2015.

Reshef Ran, Hexner Elizabeth O, Loren Alison W, Frey Noelle V, Stadtmauer Edward A, Luger Selina M, Mangan James K, Gill Saar I, Vassilev Pavel, Lafferty Kathryn A, Smith Jacqueline, Van Deerlin Vivianna M, Mick Rosemarie, Porter David L: Early donor chimerism levels predict relapse and survival after allogeneic stem-cell transplantation with reduced intensity conditioning. Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation : 2014.

Gill Saar, Tasian Sarah K, Ruella Marco, Shestova Olga, Li Yong, Porter David L, Carroll Martin, Danet-Desnoyers Gwenn, Scholler John, Grupp Stephan A, June Carl H, Kalos Michael: Preclinical targeting of human acute myeloid leukemia and myeloablation using chimeric antigen receptor-modified T cells. Blood 123 (15): 2343-54,2014.

Gill Saar, Porter David L: CAR-modified anti-CD19 T cells for the treatment of B-cell malignancies: rules of the road. Expert opinion on biological therapy 14 (1): 37-49,2014.

Academic Contact Info

Room 8-101
Smilow Translational Research Center
3400 Civic Center Blvd

Philadelphia, PA 19104
Phone: (215) 573-4015
Patient appointments: 800-789-PENN (7366)