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Dr. Hammerman is on Doximity

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Education & Training

  • University of California (San Francisco)
    University of California (San Francisco)Fellowship, Gastroenterology, 1973 - 1976
  • University of California (San Francisco)
    University of California (San Francisco)Residency, Internal Medicine, 1973 - 1975
  • Yale-New Haven Medical Center
    Yale-New Haven Medical CenterResidency, Internal Medicine, 1969 - 1971
  • New York University School of Medicine
    New York University School of MedicineClass of 1969

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1973 - 2025
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

  • Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012
  • Fellow (AGAF) American Gastroenterological Association, 2006
  • Fellow American College of Physicians, 1984

Publications & Presentations

PubMed

Professional Memberships

Hospital Affiliations