Find a Doctor or Practice Location

Are you a referring physician?
within
I am searching for a
Reset Form
Christina A. Twyman-St. Victor, MD

Christina A. Twyman-St. Victor, MD Physician

Assistant Professor of Radiation Oncology Assistant Professor of Medicine

Dr. Twyman-St. Victor is employed by Penn Medicine.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

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.

Overall Ratings

Clinical Specialties

Specialty:

  • Gastroenterology

Programs & Centers:

Board Certification:

  • Gastroenterology, 2013
  • Internal Medicine, 2010

Description of Clinical Expertise

General gastroenterology and endoscopy (e.g. EGD and colonoscopy)

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)
  • 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 Health and Wellness (Centene) Medicare
  • 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
  • Veterans Choice Program

Education and Training

Medical School: Johns Hopkins University School of Medicine
Residency: Johns Hopkins Hospital
Fellowship: Hospital of the University of Pennsylvania

Memberships

American Association for Cancer Research, National American Gastroenterological Association, National Student National Medical Association, National

Hospital Affiliation

Dr. Twyman-St. Victor is employed by Penn Medicine.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Medicine Radnor: Has privileges to perform procedures.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.

Research

Selected Publications:

Rech AJ, Dada H, Kotzin JJ, Henao-Mejia J, Minn AJ, Twyman-Saint Victor C*, Vonderheide RH*: Radiotherapy and CD40 activation separately augment immunity to checkpoint blockade in cancer. Cancer Research 78 (15): 4282-4291,2018.

Benci JL, Xu B, Qiu Y, Wu TJ, Dada H, Twyman-Saint Victor C, Cucolo L, Lee DS, Pauken KE, Huang AC, Gangadhar TC, Amaravadi RK, Schuchter LM, Feldman MD, Ishwaran H, Vonderheide RH, Maity A, Wherry EJ, Minn AJ.: Tumor Interferon Signaling Regulates a Multigenic Resistance Program to Immune Checkpoint Blockade. Cell 167 (6): 2016.

Tétreault MP, Weinblatt D, Ciolino JD, Klein-Szanto AJ, Sackey BK, Twyman-Saint Victor C, Karakasheva T, Teal V, Katz JP.: Esophageal Expression of Active IκB Kinase-β in Mice Up-Regulates Tumor Necrosis Factor and Granulocyte-Macrophage Colony-Stimulating Factor, Promoting Inflammation and Angiogenesis. Gastroenterology 150 (7): 1609-1619,2016.

Twyman-Saint Victor C*, Rech AJ*, Maity A, Rengan R, Pauken KE, Stelekati E, Benci JL, , Xu B, Dada H, Odorizzi PM, Herati RS, Mansfield KD, Patsch D, Amaravadi RK, Schuchter LM, , Ishwaran H, Mick R, Pryma DA, Xu X, Feldman MD, Gangadhar TC, Hahn SM, Wherry EJ, , Vonderheide RH, Minn AJ: Radiation and dual checkpoint blockade activate non-redundant immune mechanisms in cancer. Nature 520 (7547): 373-7,2015.

Boelens MC, Wu TJ, Nabet BY, Xu B, Qiu Y, Yoon T, Azzam DJ, Twyman-Saint Victor C, Wiemann BZ, Ishwaran H, Ter Brugge PJ, Jonkers J, Slingerland J, Minn AJ.: Exosome transfer from stromal to breast cancer cells regulates therapy resistance pathways. Cell 159 (3): 499-513,2014.

Babyatsky M, Lin J, Yio X, Chen A, Zhang JY, Zheng Y, Twyman C, Bao X, Schwartz M, Thung S, Lawrence Werther J, Itzkowitz S.: Trefoil factor-3 expression in human colon cancer liver metastasis. Clinical & Experimental Metastasis 26 (2): 143-51,2009.

Zen Q, Batchvarova M, Twyman CA, Eyler CE, Qiu H, De Castro LM, Telen MJ.: B-CAM/LU expression and the role of B-CAM/LU activation in binding of low- and high-density red cells to laminin in sickle cell disease. Am J Hematol 75 (2): 63-72,2004.

Academic Contact Info

421 Curie Boulevard
906 Biomedical Research Building II/III

Philadelphia, PA 19104
Phone: (215) 349-8222
Patient appointments: 800-789-7366 (PENN)