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Dr. Marshall is on Doximity

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Education & Training

  • Texas Tech University Health Sciences Center at Lubbock
    Texas Tech University Health Sciences Center at LubbockResidency, Family Medicine, 1978 - 1980
  • Rochester Regional Health/Unity Hospital (Rochester)
    Rochester Regional Health/Unity Hospital (Rochester)Internship, Internal Medicine, 1977 - 1978
  • Universidad de Guadalajara
    Universidad de GuadalajaraClass of 1976

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 1978 - 2020

Professional Memberships

Other Languages

  • Spanish

Hospital Affiliations