James J. Fenton
National Jewish Health South Denver
Associate Professor
Division of Pulmonary, Critical Care & Sleep Medicine
Department of Medicine
Previously a 5280 Top Doctor (13 years)
Best Doctors in America® 2017-2018 — Best Doctors, Inc.
America’s Top Doctors 2018 — Castle Connolly Medical, Ltd.
James J. Fenton, MD, is a pulmonologist at National Jewish Health. Dr. Fenton is in the Division of Pulmonary, Critical Care and Sleep Medicine.

Special Interests

Research Interests

Ventilation of spinal cord injured patients.


Ohio State University College of Medicine, MD
University of Notre Dame, BS
University of Florida Health Sciences Center (Gainesville), Internal Medicine
Lahey Clinic Medical Center, Interventional Pulmonology
University of Florida Health Sciences Center (Gainesville), Pulmonary and Critical Care

Awards & Recognition

2014 and 2015: Best Doctors in America, Best Doctors, Inc.
2006-2011:Denver's 5280 Magazine, “Top Doctors”
1996-2005: Chest Journal, Manuscript Reviewer
Fellow, American College Chest Physicians (FCCP)

Board Certification

1996, 2006: Pulmonary Medicine
1997, 2007: Critical Care Medicine

Professional Memberships

Fellow, American College of Chest Physicians


Fenton, J “Chest X-Ray” in Cardiology Secrets 2nd Edition Adair, O; Hanley & Belfus, Philadelphia. 2001.

Mastin ST, Drane WE, Harman, EM, Fenton, JJ, Quesenberry, L. FDG SPECT in patients with Lung Masses. Chest, 1999; 115:1012-1017.

Fenton JJ, Beamis JF. Laser Bronchoscopy. In, Beamis JF, Mathur PN eds. Interventional Pulmonology. New York: McGraw-Hill, 1999; 43-67.

FentonJJ, Cicale MF. Sigmoid Diverticular Perforation Complicating Lung Transplantation. J Heart Lung Transpl 1997 Jun: 16(6):681-5.

Hospital Affiliations

  • Craig Hospital
  • Littleton Adventist Hospital
  • Porter Adventist Hospital
  • Select Specialty Hospital
  • Swedish Medical Center

Teaching & Professional Positions

2007-Present: Director, Comprehensive Lung Cancer Program, Swedish Medical Center
2006-Present: Respiratory Care Director, Craig Hospital

Conflicts of Interest

National Jewish Health physicians and scientists may collaborate with pharmaceutical or other industries to develop medical and scientific breakthroughs or to provide education on trends in quality medical practice and outcomes to physicians and health professionals around the country. National Jewish Health maintains a strict conflict of interest policy to ensure that all potential conflicts are clearly visible and that management plans are put in place in order to further innovation and education while ensuring the protection of our patients and the integrity of our research. National Jewish Health publicly discloses any payment to our physicians or scientists. View this faculty member’s industry relationships and collaborations.

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Contact Information

  • Office: 303.788.8500
  • Fax: 303.788.8505



  • National Jewish Health South Denver
    499 East Hampden Ave, Suite 300 Englewood, CO 80113

Patient Ratings

The Patient Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. This survey is about the patient care experience and does not address crucial characteristics like medical decision-making, prescribing the best therapy, and patient outcomes.

Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Provider showed concern


Spoke using clear language

Provider explained things clearly

Amount of time spent with you

Provider included you in decisions

Confidence in your doctor

Likelihood of recommending this provider


Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.

National Jewish Health PatientDecember, 2018
I did not feel as if the doctor was listening to me. He seemed to have one foot out the door the whole visit. He even took a non-urgent phone call during the visit!

National Jewish Health PatientDecember, 2018
hi is the very Best doctor

National Jewish Health PatientNovember, 2018
Dr. Fenton is the best doctor I've ever had! He's very caring, knowledgeable, thorough and very prompt in providing me the care I need.

National Jewish Health PatientOctober, 2018
Excellent care and experience.

National Jewish Health PatientSeptember, 2018
*Dr. Fenton was very nice & very willing to help. 1. *Dr. Fenton.

National Jewish Health PatientJune, 2018
Everyone was pleasant and respectful. Always helpful and friendly.

National Jewish Health PatientMay, 2018
Excellent doctor!! Very professional and very caring.

National Jewish Health PatientApril, 2018
*Dr. Fenton is a great doctor very knowledgeable and great bed side manner.

National Jewish Health PatientApril, 2018
Great staff.

National Jewish Health PatientMarch, 2018
*Dr. Fenton is superb! I've decided not to move to [CITY], CO so that I will remain in *Dr. Fenton's care, I am very happy that he is my doc - along with his staff

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