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Sheri Marquez, M.D.

Sheri Marquez

Languages Spoken

English, Spanish


Radiation Oncology Associates – Lakewood
(562) 633-0836

2440 E. South St.
Long Beach, CA 90805



  • Medical School – University of California, San Francisco, Doctor of Medicine
  • Alameda County Medical Center, Internship in Transitional Medicine
  • University of California, San Francisco (Fellowship)


Dr. Sheri D. Marquez is a board certified Radiologist with over 20 years of experience. Dr. Marquez received her medical degree from the University of California, San Francisco in California. She was a Post-Sophomore Fellow in the Pathology Department at the University of California, San Francisco. Dr. Marquez also completed an internship in Transitional Medicine at the Alameda County Medical Center in Oakland, CA. She was a resident the Chief Resident at Stanford University Hospital in Radiation Oncology. Dr. Marquez has worked with Valley Radiotherapy Associates, Huntington Memorial Radiation Oncology Medical Group, and Coastal Radiation Oncology Medical Group.

Throughout her career, Dr. Marquez has received a number of awards and accolades, in addition to being published multiple times. She is a certified fitness instructor, focused on indoor cycling and weightlifting. Dr. Marquez was also a member of the Executive Board of the Pasadena chapter of the Ronald McDonald House.

Certifications & Awards

  • American Board of Radiology

Professional Memberships

  • American Society for Therapeutic Radiology and Oncology
  • American Society of Clinical Oncology
  • American Association for Women in Radiology
  • American College of Radiology
  • American Medical Association
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