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Kristen Stashek, MD

Kristen Stashek, MD Pathologist

Assistant Professor of Clinical Pathology and Laboratory Medicine

Dr. Stashek is a Penn Medicine employed physician.

Clinical Specialties


  • Pathology and Laboratory Medicine

Programs & Centers:

Board Certification:

  • Pathology - Anatomic and Clinical Pathology, 2012

Description of Clinical Expertise

Gastrointestinal pathology with a special interest in gastrointestinal and pancreatic neuroendocrine tumors and inflammatory disorders of the gastrointestinal tract.

Practice Locations and Appointments

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
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: Robert Wood Johnson University Hospital
Residency: University of Virginia Health System
Fellowship: University of Iowa Hospitals and Clinics


North American Neuroendocrine Tumor Society (NANETs), National Rodger C Haggitt Gastrointestinal Pathology Society, National United States and Canadian Academy of Pathology, National

Hospital Affiliation

Dr. Stashek is a Penn Medicine employed physician.

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


Selected Publications:

Jenkins TM, Shroff SG, Tondon R, Furth EE, Stashek KM: Yttrium-90 Microspheres as a cause of non-healing gastric ulcer: histologic features often mimic chemical gastropathy Modern Pathology 29 (S2): 176-177A,2016.

Braxton DB, Saxe DF, Stashek KM, Shroff SG, Damjanov N, Morrissette J, Tondon R, Furth EE: Molecular and cytogenetic profiling of hepatic adenocarcinoma expressing inhibin, a mimicker of neuroendocrine tumors: proposal to reclassify as "Cholangioblastic Variant of Intrahepatic Cholangiocarcinoma" Modern Pathology 29 (S2): 416A,2016.

Tondon R, Furth EE, Shroff S, Stashek K: Ipilumimab induced perforating colitis: severe cases mimic Crohn disease and ulcerative colitis Modern Pathology 29 (S2): 203A,2016.

Lubin DJ, Shroff SG, Stashek KM, Furth EE: The Notch pathway is activated in neoplastic progression in esophageal squamous cell carcinoma Modern Pathology 29 (S2): 184A,2016.

Stashek, Kristen; Tondon, Rashmi; Shroff, Stuti G.; Roses, Robert; Furth, Emma E.; Metz, David C.: Neoplasia in Patients with Atrophic Metaplastic Autoimmune Gastritis (AMAG): Screening and Surveillance Endoscopy Should Become Standard of Care. Digestive Diseases Week 2016, Poster presentation, San Diego, CA : 2016.

Chen JX, Rose SC, White SB, El-Haddad G, Fidelman N, Yarmohammadi H, Sze DY, Kothary N, Stashek K, Wileyto EP, Salem R, Metz DC, Soulen MC: Embolotherapy for neuroendocrine tumor liver metastases: prognostic factors for hepatic progression-free survival and overall survival SIR Annual Meeting, Oral Presentation : 2016.

Stashek KM, Shroff SG: Leong's Manual of Diagnostic Antibodies for Immunohistology Cambridge University Press 3rd Edition : 2016.

Stashek K, Roses R, Furth E, Metz D: Clinical and Pathologic Characteristics of Gastric Neuroendocrine Tumors in a Tertiary Care Center North American Neuroendocrine Tumor Society Meeting : 2015.

Sophia Ma, Kristen Stashek, Carolina Reyes: Two Synchronous Primary Cancers in a Post-Transplant Patient Cap 2015 meeting : 2015.

Maxwell JE, Sherman SK, Stashek KM, O'Dorisio TM, Bellizzi AM, Howe JR: A practical method to determine the site of unknown primary in metastatic neuroendocrine tumors. Surgery 156 (6): 1359-1365,2014.

Academic Contact Info

Hospital of the University of Pennsylvania
3400 Spruce St
6 Founders

Philadelphia, PA 19104