Mark Sostek, MD

Mark Sostek, MD, AGAF, FACG

Gastroenterology Wilmington, DE

Executive Director, Clinical research

Office Address

Office Map
  • 1800 Concord Pike
    Wilmington, DE 19850
    Phone: (302) 885-9052

Dr. Sostek's Clinical Specialties & Interests

  • Gastroenterology: Esophagus Disease, Gastrointestinal Functional & Motility Disorders

Dr. Sostek's Faculty Appointments & Work History

  • Motility Speakers BureauJanssen Pharmaceutica, Inc
    1125 Trenton-Harbourton Rd. Titusville, NJ
  • Staff GastroenterologistUniversity of Pennsylvania/ Radnor Facility
    Radnor, PA
  • Senior DirectorGastrointestinal Therapeutic Area, AstraZeneca LP
    Wilmington, DE
    Director (2000-2003)
  • Instructor of MedicineUniversity of Pennsylvania School of Medicine
    Philadelphia, PA
  • Private PracticeGastroenterology Associates of Norristown
    1330 Powell Street, Suite 310, Norristown, PA
  • DirectorBoston University Medical Center Hospital
    Boston, MA
  • Staff GastroenterologistBoston University Medical Center
    Boston, MA
  • Staff GastroenterologistBoston City Hospital
    Boston, MA
  • Assistant Professor of MedicineBoston University School of Medicine
    Boston, MA
  • Staff GastroenterologistBoston VA Medical Center
    Jamaica Plain, MA
  • InternistGeneral Medical Associates
    Parkman Street, Boston, MA
  • Instructor in MedicineHarvard Medical School
    Boston, MA
  • Assistant in MedicineMassachusetts General Hospital
    Boston, MA
  • Research AssistantMedical University of South Carolina
    South Carolina, CA

Dr. Sostek's Education & Medical Training

  • University of Florida Shands HospitalUniversity of Florida Shands HospitalOther Training, Training, Antroduodenal and small bowel manometry
  • GastroenterologyGastroenterologyFellowship, Lahey Clinic
  • UCLA Medical CenterUCLA Medical CenterInternship, Internal Medicine
  • Tufts Univ Sch of MedTufts University School of MedicineMedical School, MD, Alpha Omega Alpha; Hewlett Packard Award
  • Middlebury CollegeMiddlebury CollegeOther Training, Bachelor of Arts

Dr. Sostek's Certifications & Licensure

  • PA State Medical LicensePA State Medical License1998 - 2014
  • American Board of Internal MedicineAmerican Board of Internal MedicineInternal Medicine, 1989
  • American Board of Internal MedicineAmerican Board of Internal MedicineGastroenterology, 1993

Dr. Sostek's Awards, Honors, & Recognition

  • American Gastroenterological AssociationFellow (AGAF)American Gastroenterological Association, 2006

Dr. Sostek's Publications & Presentations

PubMed | Citations by Web of Science®

Books/Book Chapters

  • Therapy of fecal incontinence. Therapy of Digestive Diseases.Chapter: Chapter 63
    Sostek MB and Becker JM.
    Editors: .WB Saunders Co. Philadelphia
  • The Pancreas: Biology, Pathobiology and Disease.
    Sostek MB
    Editors: .In The Endocrinologist.. Vol. 3. No. 6, New York
    Edition 2,
  • Cholestasis. Proceedings of the International Congress on Cholestasis and Related Disorders.Chapter: In Hepatology. Vol. 21. No. 2
    Sostek MB
    Editors: .Elsevier Science., Amsterdam


  • Pharmacokinetics and Relative Bioavailability of a Fixed Dose Combination of Enteric Coated Naproxen and Non- Enteric Coated Esomeprazole Magnesium.Wang-Smith L, Fort J, Zhang Y and Sostek MB, Clin Pharmacol
  • Relationship between Intragastric Acid Control and Healing Status in the Treatment of Moderate to Severe Erosive Esophagitis.Katz PO, Ginsberg GG, Hoyle PE, Sostek MB, Monyak JT and Silberg DG, Aliment Pharmacol Therapeutics
  • Efficacy of esomeprazole 40 mg versus lansoprazole 30 mg for healing moderate to severe erosive esophagitis.Fennerty MB, Johanson JF, Hwang C, Sostek M, Aliment Pharmacol Ther
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Dr. Sostek's Professional Memberships

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