Skip to main content

Dr. Zem is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Zem's full profile

Already have an account?

  • Office

    1123 N Main Ave Ste 120
    San Antonio, TX 78212
    Phone+1 210-226-2001
    Fax+1 210-616-0704

Education & Training

  • University of Rochester
    University of RochesterFellowship, Nephrology, 2007 - 2009
  • University of Southern California/Los Angeles General Medical Center (USC/LA General)
    University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Internal Medicine, 2003 - 2006
  • Universidad Autonoma de Guadalajara
    Universidad Autonoma de GuadalajaraClass of 2002

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2004 - Present
  • TX State Medical License
    TX State Medical License 2009 - 2026
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Nephrology
  • National Board of Physicians and Surgeons Internal Medicine
  • National Board of Physicians and Surgeons Nephrology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2012