Dr. Grubbe is Board Certified both in Internal Medicine and in Allergy, Asthma & Clinical Immunology.

He is this region's ONLY board certified allergy & asthma specialist.

Dr. Grubbe has published multiple articles in the medical and lay press and is a frequent lecturer.  He is also a frequent public speaker.

He is on consultant Bureau's and Speaker Bureau's for many of the world's leading pharmaceutical companies. 

Dr. Grubbe is a member of the American College of Allergy, Asthma & Immunology Rhinitis/Sinusitis committee.

Dr. Grubbe is a member of the Board of Directors of the Society of Principal Investigators.

Dr. Grubbe is a well known clinical research physician, conducting well over 100 Phase I-IV clinical research trials. In 1998 the Center Of Research Excellence, L.L.C. (CORE) was established.  CORE has multiple full-time registered nurse clinical research coordinators and ancillary staff.

He attended the University of Nebraska Medical School in Omaha.  Following this he completed an Internal Medicine internship and internal medicine residency in Phoenix, Arizona. Dr. Grubbe then completed a two year fellowship in pediatric and adult Asthma, Allergy & Clinical Immunology at Creighton University.

Undergraduate University:
University of Nebraska-Lincoln

Medical School:
University of Nebraska Medical School-Omaha

Internal Medicine Internship & Residency:
St. Joseph's Hospital & Medical Center-Phoenix

Adult & Pediatric Allergy/Asthma/immunology Fellowship:
Creighton University-Omaha