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Dr. Mammen is on Doximity

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Education & Training

  • Christiana Care Health Services
    Christiana Care Health ServicesResidency, Surgery, 1975 - 1980
  • Rutgers Health/Robert Wood Johnson University Hospital Somerset
    Rutgers Health/Robert Wood Johnson University Hospital SomersetInternship, Transitional Year, 1974 - 1975
  • Christian Medical College Vellore
    Christian Medical College VelloreClass of 1971

Certifications & Licensure

  • DE State Medical License
    DE State Medical License 1979 - 2025
  • MD State Medical License
    MD State Medical License 2000 - 2005

Awards, Honors, & Recognition

  • Fellow (FACS) American College of Surgeons

Publications & Presentations

PubMed

Professional Memberships

Hospital Affiliations