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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. James Martenson:

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  1. Qualifications
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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. James Martenson is Excellent. Dr. Martenson has been reviewed by 2 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 3.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

Dr. James Martenson, MD is board certified in Therapeutic Radiology.

  • He has special expertise in 24 areas:
  • Adjuvant Chemotherapy
  • Anal Cancer (Anus Neoplasms)
  • Bone Marrow and Lymphatic Tissue Cancer (Hematologic Neoplasm)
  • Breast Cancer
  • Cancer
  • Clinical Research
  • Colon Cancer
  • Epidemiology
  • Esophagus Cancer (Esophogeal Neoplasm)
  • Gastrointestinal Cancer
  • Glandular Cancer (Adenocarcinoma)
  • Hepatocellular Carcinoma
  • Lung Cancer
  • Lymphatic Metastasis
  • Metastatic Breast Cancer
  • Mucositis
  • Non-Hodgkin Lymphoma
  • Pancreatic Cancer
  • Patient Care
  • Radiation Injuries
  • > Show all expertise

Education & Awards

Dr. Martenson graduated from University of Washington, Seattle. He has 5 awards.

One of America's Leading Experts on:
Adjuvant Chemotherapy
Glandular Cancer (Adenocarcinoma)
Rectal Cancer (Rectal Neoplasm)
Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2012, 2014 - 2015)


Dr. Martenson has 5 hospital affiliations:

  • Rochester Methodist Hospital 
  • St Marys Hospital - Rochester 

> > > > Dr. James Martenson, MD

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Additional Information
Dr. James A Martenson MD is a male Radiologist, has 30 years of experience and practices in Therapeutic Radiology.
Where does Dr. James A. Martenson practice?
Dr. James Martenson has 1 office location.
Dr. James Martenson practices Therapeutic Radiology near Rochester, MN.
See Rochester Radiologists.