Marnee Spierer, M.D.

(877) 524-4673
Marnee Spierer, M.D.
Radiation Oncologist; Chief of Radiation Oncology, City of Hope Cancer Center Phoenix
Clinical Expertise
  • Radiation Oncology
  • Breast Cancer
  • Gynecologic Cancers
  • Lung Cancer
  • Side Effect Management
Academic Appointments

Associate Clinical Professor, Department of Radiation Oncology

Additional Contacts
  • Referring Physicians Phone
    (623) 207-3241
  • Referring Physicians Fax
    (623) 932-8631

Dr. Marnee Spierer joined City of Hope Phoenix in 2014 as a radiation oncologist and currently serves as the Chief of Radiation Oncology. In her role as a radiation oncologist, Dr. Spierer provides radiation treatment for all types and stages of cancer, with a special focus on breast and gynecologic cancers. As part of a multidisciplinary team of cancer specialists, Dr. Spierer has extensive expertise in leading-edge radiation techniques for both therapeutic and palliative treatment. 

Dr. Spierer received her medical degree at Columbia University, followed by a residency in Radiation Oncology at Memorial Sloan Kettering Cancer Center. She is board certified in radiation oncology and has been consistently recognized as an outstanding oncologist and has received numerous awards over the past several years including: Patients’ Choice Award, Best Doctors, Compassionate Doctors and Top Oncologists. In 2019, Dr. Spierer was featured in AZ Big Media as one of the Most Influential Women in Arizona Business.

Location

Education & Experience

Board Certifications

  • Radiation Oncology - American Board of Radiology

Degrees

  • MD - Columbia University College of Physicians and Surgeons, New York, NY
  • MA - Columbia University Teachers College, New York, NY
  • MBA - University of Michigan Ross School of Business, Ann Arbor, MI

Residency

  • Internship - Saint Barnabas Medical Center, Livingston, NJ
  • Radiation Oncology - Memorial Sloan Kettering Cancer Center, New York, NY

Ratings & Reviews

Ratings and reviews below are gathered from the Press Ganey Clinician and Group Consumer Assessment of Healthcare Providers and Systems (CG CAHPS) survey. CG CAHPS is a standardized survey that is used to measure a patient's experience in the physician office setting. Ratings are an average of all responses to questions about a provider's care, with five stars being the highest.
5.0
Recommend this provider office
5.0
Provider explain in way you understand
5.0
Provider listen carefully to you
5.0
Show respect for what you say
5.0
Spend enough time with you
4.9
Know important info medical history
4.9
Rate provider 0-10
04/26/26
The radiation team is top notch in my mind - Verified patient
04/26/26
Very professional and speaks clearly answers all questions. I never leave her office confused or concerned - Verified patient
04/21/26
Beginning with check-in through all appointments everyone makes me feel they are invested in my care and I thank them all for it! I know I would not get better care anywhere else - Verified patient
04/21/26
Dr Spierer is one of my Cancer Warrior Angels - My wellbeing, mentally, physically and spiritually Is apparent every time I see her. God placed her to bring light to my cancer journey and I know I would not begin doing as well without her. Thank you God - Thank you Dr Spierer!!! - Verified patient
04/17/26
Good - Verified patient