Faculty: Pediatrics Allergy and Immunology Fellowship Program

The ACGME-accredited University of Colorado Denver Program A in Allergy and Immunology based at National Jewish Health

Chairman of Pediatrics at National Jewish Health:

Erwin Gelfand, MD is Head of the Division of Allergy, Immunology and Rheumatology for the Department of Pediatrics at the University of Colorado Denver. He is also the Director of the Immunodeficiency Clinic at National Jewish Health. He is a renowned authority in immunodeficiency, mechanisms of asthma, and other aspects of basic immunology. He is committed to assure residency training in immune deficiency disease. He provides a weekly conference in the Immunodeficiency Clinic. He also provides fellows with lectures, rounds and conference discussions, and provides research mentorship.

Head of the Allergy/Immunology Division in the Department of Pediatrics at National Jewish Health:

Donald Leung, MD, PhD is the Head of the Allergy/Immunology Division in the Department of Pediatrics. Dr. Leung is a renowned authority in mechanisms of allergic disease. He has numerous NIH R01 grants, serves as the Co-Director of the NIH-funded General Clinical Research Center at the University of Colorado Denver and National Jewish Health, and he is the former Editor-in-Chief of the Journal of Allergy and Clinical Immunology, the premier journal in the field. Dr. Leung supervises fellows during their Day Program assignment. He also provides fellows with lectures, rounds and conference discussions, and provides research mentorship.

Program Leadership

Program Director: Nathan Rabinovitch, MD, MPH is a Professor in the Department of Pediatrics, Division of Pediatric Allergy and Clinical Immunology. His research interests are on the role of environmental exposures in the school-age asthmatic child. He supervises fellows in the Day Program and Pediatric Continuity Clinic. He also serves on the Training Program Committee.

Assistant Program Director: Bruce J. (BJ) Lanser, MD is an Assistant Professor in the Department of Pediatrics, Division of Pediatric Allergy and Clinical Immunology. Dr. Lanser brings his experience as Pediatric Chief Resident to the program leadership. His special interests are in food allergy, FPIES and eosinophilic esophagitis. He provides direct patient care supervision at RMHC, and in the Pediatric Day Program. Dr. Lanser has a strong interest in the education of trainees and oversees the Denver Allergy Rounds curriculum and the weekly Pediatric Lecture series, while serving on the Training Program Committee.

Additional faculty in the Pediatrics Allergy and Immunology Fellowship Program:

Jordan Abbott, MD is an Assistant Professor in the Department of Pediatrics, Division of Pediatric Allergy and Clinical Immunology. His special interests are primary immunodeficiency diseases, immune dysregulation, genetics, and allergic disease. He provides direct patient care supervision on the RMHC rotation and in the Pediatric Allergy and Immunology Continuity Clinic and Day Program at National Jewish. Dr. Abbott has served as a fellow research mentor.

Allan Bock, MD is a renowned expert in food allergies, who provides fellows with lectures, rounds and conference discussions, and also provides research mentorship.

Mark Boguniewicz, MD is a Professor of Pediatrics in the division of Pediatric Allergy and Clinical Immunology. He is a renowned expert in atopic dermatitis. He provides direct patient care supervision on the RMHC rotation and in the Pediatric Allergy and Immunology Continuity Clinic and Day Program at National Jewish.  Dr. Boguniewicz has served as a fellow research mentor.

Donna Bratton, MD is a Professor in the Division of Pediatric Allergy and Immunology. She is an authority on inflammatory mechanisms of airways disease. She provides fellows with lectures, rounds and conference discussions, and provides research mentorship.

Christine B. Cho, MD is an Assistant Professor in the Department of Pediatrics, Division of Pediatric Allergy and Clinical Immunology. She provides direct patient care supervision in the Pediatric Allergy Continuity Clinic. Dr. Cho also serves on the training program committee.  

Ronina Covar, MD is an Associate Professor in the Division of Pediatric Allergy and Immunology. She has special interests in asthma and steroid response, and serves as the Director of the Severe Asthma Clinic Program. She supervises fellows in the Pediatric Allergy Continuity Clinic and the Day Program.  Dr. Covar has served as a fellow research mentor.

Pia J. Hauk, MD is an Associate Professor of Pediatrics in the Division of Allergy and Immunology. She conducts research on the early development of asthma, and also has a special interest in immune deficiency. Dr. Hauk is a member of the training program committee. She also supervises fellows in the Pediatric Allergy Continuity Clinic and the Day Program, and has served as a fellow research mentor.

Ronina Covar, MD is an Associate Professor in the Division of Pediatric Allergy and Immunology. She has special interests in asthma and steroid response. She supervises Fellows in the Pediatric Allergy and Immunology Day Program. She also provides Fellows with conference discussions, and research mentorship.

Patsy Giclas, PhD is Co-Director of the Clinical Immunology Labs at National Jewish Health. She is a renowned expert in complement biochemistry. She provides Fellows with guidance in their experience in the Clinical Immunology Labs. She also provides Fellows with lectures, rounds and conference discussions, and provides research mentorship.

Pia Hauk, MD is an Associate Professor of Pediatrics in the Division of Allergy and Immunology. She conducts outpatient clinics at National Jewish Health, is an Attending in the Day Program, and supervises immunology consults. Fellows can participate in these clinics. She also provides lectures and case discussions in allergy management and is a member of the Training Program Committee. She conducts research on the early development of asthma.

Other Faculty for the Fellowship Program

Other faculty members at National Jewish Health, while not necessarily key faculty for the program, provide significant contributions to the education of our fellows, typically as lecturer, consultants, discussants in conferences and seminars, and research resources. They include the following faculty members:

Rafeul Alam, MD, PhD*

Bruce Bender, PhD

Stephen Dreskin, MD, PhD

Lindsay Finkas, MD

Andrew Fontenot, MD*

Ronald Harbeck, PhD

Flavia Hoyte, MD*

Rohit Katial, MD*

Mary D. Klinnert, PhD

Vijaya Knight, MD, PhD*

Lisa Meltzer, PhD

Harold S. Nelson, MD*

David P. Nichols, MD

J. Tod Olin, MD

David W.H. Riches, PhD

Jenny Stitt, MD

Tho Q. Truong, MD*

Richard Weber, MD*

*Faculty in Department of Medicine University of Colorado Denver Allergy and Immunology Program B


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