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Kristen Stashek, MD

Kristen Stashek, MD Pathologist

Assistant Professor of Clinical Pathology and Laboratory Medicine

Dr. Stashek is employed by Penn Medicine.

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  1. He or she is not employed by Penn Medicine.
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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
  • Keystone First Medicare
  • 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 Medical School
Residency: University of Virginia Health System
Fellowship: University of Iowa Hospitals and Clinics


American Society for Clinical Pathology, National 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 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.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.


Description of Research Expertise:

Neuroendocrine neoplasia of the gastrointestinal tract and pancreas

Selected Publications:

Taylor M Jenkins, Rashmi Tondon, Li-Ping Wang, Amy Ziober, Priti Lal, Stuti G Shroff, Emma E Furth: Mismatch Repair Deficiency (MMR-D) and Programmed Death Ligand-1 (PD-L1) Expression in Gastric Adenocarcinomas Modern Pathology Volume 30, (S2): 178A,2017.

Braxton DR, Saxe D, Damjanov N, Stashek K, Shroff S, Morrissette JD, Tondon R: Molecular and Cytogenomic Profiling of Hepatic Adenocarcinoma Expressing Inhibin, a Mimicker of Neuroendocrine Tumors: Proposal to Reclassify as "Cholangioblastic Variant of Intrahepatic Cholangiocarcinoma". Human Pathol : 2017.

Sharon Song, Stuti G Shroff, Emma E Furth, Rashmi Tondon: Deep Inflammation in Clinically Diagnosed Ulcerative Colitis (UC) Resections: How Much Is Too Much? Modern Pathology 30 (S2): 201A,2017.

Chen JX, Rose S, White SB, El-Haddad G, Fidelman N, Yarmohammadi H, Hwang W, Sze DY, Kothary N, Stashek K, Wileyto EP, Salem R, Metz DC: Embolotherapy for Neuroendocrine Tumor Liver Metastases: Prognostic Factors for Hepatic Progression-Free Survival and Overall Survival. Cardiovasc Intervent Radiol 40 (1): 69-80,2017.

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

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

Lubin DJ, Shroff SG, Stashek KM: 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: 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.

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

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

Academic Contact Info

Hospital of the University of Pennsylvania
3400 Spruce St
6 Founders

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