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Dr. Umbach is on Doximity

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Education & Training

  • Kaiser Permanente Southern California (Los Angeles)
    Kaiser Permanente Southern California (Los Angeles)Residency, Surgery, 1996 - 2001
  • Virginia Commonwealth University School of Medicine
    Virginia Commonwealth University School of MedicineClass of 1996

Certifications & Licensure

  • OR State Medical License
    OR State Medical License 2006 - Present
  • CA State Medical License
    CA State Medical License 1998 - Present
  • NV State Medical License
    NV State Medical License 2008 - 2025
  • American Board of Surgery Surgery

Awards, Honors, & Recognition

  • Fellow (FACS) American College of Surgeons

Publications & Presentations

PubMed

Press Mentions

  • Health Care Quarterly’s 2020 Top Doctors
    Health Care Quarterly’s 2020 Top DoctorsAugust 20th, 2020
  • Diet After Weight Loss Surgery
    Diet After Weight Loss SurgeryOctober 24th, 2015

Professional Memberships

Hospital Affiliations