Our Staff

Steven A. Butler, M.D., FACS
EDUCATION – Undergraduate
Gonzaga University 1971 – 1975 Graduated Magna Cum Laude with Bachelor of Science in Chemistry
EDUCATION – Medical School
Creighton University School of Medicine 1975 – 1979
EDUCATION – Internship/Residency
Naval Hospital, San Diego 1979 – 1984
STAFF APPOINTMENTS
Staff Physician/Surgeon and Naval Hospital, Bethesda: 1984 – 1988. Also, during this time: Clinical Faculty for Uniformed Services University of the Health Sciences
and Clinical Faculty at National Institutes of Health, both in Bethesda, MD. 1988 to present: joined Ear, Nose, & Throat, Associates in Billings, MT
BOARD CERTIFICATION
1984 – American Board of Otolaryngology
MEMBERSHIPS
Fellow, American College of Surgeons
Member, American Academy of Facial Plastic and Reconstructive Surgery
Member, Montana Medical Association
Member, Yellowstone County Medical Society
CLINICAL INTERESTS
General Otolaryngology
Adult and Pediatric Ear disease
Facial Cosmetic Surgery
Medical Education

Brian T. Pelczar, M.D.
EDUCATION – Undergraduate
University of Notre Dame – South Bend, IN
EDUCATION – Medical School
Jefferson Medical College of Thomas Jefferson University – Philadelphia, PA
EDUCATION – Internship
Pennsylvania Hospital- Philadelphia, PA
EDUCATION – Residency
The Ohio State University- Columbus, OH
BOARD CERTIFICATION
American Board of Otolaryngology, 1993
CLINICAL INTERESTS
Pediatric otolaryngology, endoscopic sinus surgery, thyroid and parathyroid,
salivary gland surgery, otology, tonsils and adenoids, septoplasty, head and neck tumors

Cynthia Kennedy, M.D.
St. Cloud State University, St. Cloud Minnesota
University of Minnesota
EDUCATION – Internship
Hennipin County Medical Center, Minneapolis MN
EDUCATION – Residency
University Of Minnesota
BOARD CERTIFICATION
American Board of Otolaryngology, 1999
CLINICAL INTERESTS
- Sinus disease
- Pediatrics

Sean Demars, M.D.
EDUCATION
Undergraduate: Brigham Young University, Provo, UT
Graduated 1998 Summa Cum Laude; B.S. Zoology with minors in chemistry and humanities
Medical school: University of Virginia School of Medicine Graduated 2003
EDUCATION – Internship
Madigan Army Medical Center, Ft. Lewis, WA
EDUCATION – Residency
Madigan Army Medical Center, Ft. Lewis, WA
BOARD CERTIFICATION
American Board of Otolaryngology 2009
Practiced at Bassett Army Community Hospital, Fairbanks, Alaska 2008-2012
PRACTICE INTERESTS
I love kids (as evidenced by the 7 children of my own).
I also enjoy all aspects of general otolaryngology including sinus and nasal surgery, ear disease and surgery, thyroid disease, & head and neck cancer

Cassidy Brophy, FNP
EDUCATION
Undergraduate: Montana State University, Bozeman, MT
Bachelors of Science, Nursing 2001
EDUCATION
Graduate: Gonzaga University, Spokane, WA
Masters of Science, Nursing, Family Nurse Practitioner 2014
BOARD CERTIFICATION
American Academy of Nurse Practitioners 2014
PROFFESIONAL CERTIFICATES
Professional Achievement in Perioperative Nursing Practice