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Dr. Orenstein is on Doximity

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Education & Training

  • Ascension Illinois/Saint Francis
    Ascension Illinois/Saint FrancisResidency, Internal Medicine, 1987 - 1988
  • University of Santo Tomas
    University of Santo TomasClass of 1978

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1990 - Present
  • FL State Medical License
    FL State Medical License 2021 - 2026
  • IL State Medical License
    IL State Medical License 1987 - 2026
  • WA State Medical License
    WA State Medical License 1985 - 2025
  • IN State Medical License
    IN State Medical License 2003 - 2025
  • American Board of Internal Medicine Internal Medicine

Hospital Affiliations