Our Team

Duncan Watley, M.D.

Duncan C. Watley, M.D. completed both his undergraduate and medical degrees at the University of Nebraska. He completed his residency in Otolaryngology at The University of Texas Medical Branch. During these five years, he provided otolaryngic care at five different hospitals in the Houston area, including MD Anderson Cancer Center, currently ranked the number one cancer hospital in the U.S. He then furthered his clinical skill during a year of intensive training at Johns Hopkins Hospital, completing a fellowship in rhinology and skull base surgery.

Dr. Watley is committed to providing the highest quality patient care and focuses on the management of complex nasal, sinus, and skull base disease. Surgically, he focuses on complex endoscopic sinus surgery, endoscopic eye surgery, and extended approaches to treat pathology of the sinuses, cranial base, brain, and orbit. Diseases affecting these areas include benign and malignant tumors, encephaloceles, cerebrospinal fluid leaks, nasolacrimal disorders, and inflammatory sinus disease.

Jonathan W. Fowlkes, M.D.

Pediatric Thyroid/Parathyroid, Reconstructive Surgery, Pediatrics And Head & Neck Surgery.

Jonathan W. Fowlkes received his medical degree from Oregon Health & Sciences University followed by residency training at the University of Iowa Hospitals and Clinics. He completed fellowship training in head and neck oncology and microvascular reconstruction at the University of Iowa Hospitals and Clinics in 2018. He was board-certified in March of 2018.

He is a Bozeman native and is excited to be back in Montana with his wife Emilie and their two young children.

Dr. Fowlkes joined the staff of Rocky Mountain Ear, Nose and Throat Center in August of 2018 and specializes in adult head and neck surgery and reconstruction, thyroid/parathyroid surgery and pediatrics.

Phillip A. Gardner, M.D.

Pediatric Otolaryngology, Sinonasal & Allergy Disorders And Head & Neck Surgery.
Phillip A. Gardner, M.D. is a board-certified otolaryngologist. He practiced at the Western Montana Clinic from 1997 to 2008 and serves as the Ethics Committee Chairman at St. Patrick’s Hospital. Dr. Gardner completed his residency in Otolaryngology-Head & Neck Surgery at Indiana University in 1996. The following year, he enjoyed a position as Otolaryngology Tutor Specialist at the University of Otago in Dunedin, New Zealand. Dr. Gardner completed medical school at Indiana University in 1991 and undergraduate studies at Vanderbilt in 1986.

Dr. Gardner loves everything about Western Montana, both the people and the magnificent landscape. His numerous volunteer projects include helping to organize RATPOD, a benefit bicycle ride around the Pioneer Mountains for Camp Mak-A-Dream, and building the Rattlesnake Pedestrian Bridge with Friends of Missoula Parks. Phil has participated in two trips to Honduras with Missoula Medical and served for four years on the board of Youth Homes Inc. Phil and his wife, Julie, are the proud parents of three girls.

Dr. Gardner joined the staff of Rocky Mountain Ear, Nose and Throat Center in 2008 and specializes in pediatric otolaryngology, sinonasal and allergy disorders, and head and neck surgery.

Jeffrey R. Haller, M.D.

General Adult Nose, Throat, Thyroid/Parathyroid Surgery And Pediatric Otolaryngology.
Jeffrey R. Haller, M.D. received his medical degree at the University of Washington School of Medicine in Seattle. His resident training was performed at the University of Iowa in Otolaryngology-HNS followed by a fellowship in Head and Neck Surgical Oncology at Ohio State University, Columbus, Ohio. He was board-certified in March of 1993 and taught head and neck surgery at the University of Utah from 1993 to 2001.

Dr. Haller joined the staff of Rocky Mountain, Ear, Nose & Throat Center in 2001 and specializes in general adult nose, throat, thyroid/parathyroid surgery and pediatric otolaryngology.

Peter G. Von Doersten, M.D.

Board-Certified Otolaryngologist With Subspecialty Board Certification In Neurotology.
Peter G. Von Doersten, M.D. is a board-certified otolaryngologist and is one of 400 physicians in the country who has subspecialty board certification in neurotology (a field of medicine concerning ear surgery), disorders of the inner ear, skull base surgery, and cochlear implantation.

After graduation from Dartmouth College, Dr. Von Doersten completed medical school at the University of Missouri, Columbia in 1989. He performed an internship at Rush Presbyterian St. Lukes Hospital in Chicago, followed by a second year of general surgery at the University of California Davis. After completing his residency in otolaryngology at Kaiser Permanente Medical Center in Oakland, California, he engaged in a fellowship in neurotology at Vanderbilt for one year and became board-certified in 1996.

Since moving to Montana, Dr. Von Doersten has been President of the medical staff at St. Patrick Hospital, is currently President of the Montana Society of Otolaryngology, and is a faculty affiliate of the University of Montana, University of Utah, and the University of Washington. He has served on several boards including St. Patrick Hospital and the Montana Neuroscience Institute. He has developed cochlear implant programs at both St. Patrick Hospital and Community Medical Center. He also participates in research in both inner ear hair cells and traumatic brain injury.

In his free time, he is a team leader for a biannual medical mission trip to Guatemala, is an avid cyclist, and helps his wife and two children run a certificated organic cherry orchard in the Flathead.

Josh Moser, PA-C

Society of Physician Assistants In Otorhinolaryngology Head & Neck Surgery
Josh Moser, PA-C received his physician assistant degree from Rocky Mountain College in Billings and his undergraduate degree in Exercise Physiology at Montana State University.Josh joined the staff at Rocky Mountain Ear, Nose, and Throat Center in 2003. He sees a wide variety of ear, nose, and throat related medical concerns, with special interests in hearing & balance disorders and rhinology (nasal & sinus disease). Josh is a member of the Society of Physician Assistants in Otorhinolaryngology Head & Neck Surgery.

Marissa Cadena, PA-C

Marissa Cadena, PA-C received her Master’s Degree in Physician Assistant Studies from The University of
the Pacific in Sacramento, California and received her undergraduate degree in Health Science from
Keiser University. She is a member of the Society of Physician Assistants in Otorhinolaryngology Head &
Neck Surgery and is a member of the American Academy of Physician Assistants. Marissa also serves as a
Physician Assistant through the United States Army Reserve.
Marissa grew up as a teenager in Missoula and was excited to return with her husband and two children.

Sophia Peterson, PA-C

Sophia Peterson, PA-C received her Master’s Degree in Physician Assistant Studies from Colorado Mesa University and her Bachelor of Health Sciences degree from the University of Minnesota Rochester. Sophia was born and raised in Minnesota, though she is happy to call Montana her permanent home! When not working, Sophia loves to spend time outdoors hiking, snowshoeing, and fishing with her fiancé and yellow lab, Dozer.

Kevin Duffy, Au.D. – Hearing Center Director

Kevin Duffy, Au.D, is a clinical board-certified audiologist who serves patients of all ages. Dr. Duffy comes to us from Oregon where he completed both his bachelors in biology and doctorate in audiology at Pacific University. He joined the audiology team as a student extern in July of 2016 and has been officially part of the team since October of 2017. He enjoys all aspects of audiology but with special interests in vestibular diagnostics & management as well as cochlear implants. He additionally loves working with hearing aids to help both children and adults with hearing impairments.Dr. Duffy is a Pacific Northwest native and thoroughly enjoys the outdoors. This has made the Missoula area a perfect place as his favorite activity is hiking. When not working or hiking, Dr. Duffy spends time playing music, exploring new towns, or trying new outdoor activities.

Kate Savage, Au.D

Kate Savage, Au.D., CCC-A, received her Doctoral Degree in Audiology from Idaho State University in Pocatello, Idaho. She received her undergraduate degree in Communication Sciences and Disorders from ISU in Meridian, ID. She completed her clinical externship at Idaho Elks Hearing and Balance in Boise, Idaho, where she emphasized her training in cochlear implants, vestibular, and adult diagnostics. She practiced for Idaho Elks Hearing and Balance in Meridian and Nampa, Idaho, for 7 years prior to moving to Rocky Mountain ENT in 2022. Kate focuses on assessment of hearing loss for all ages, appropriately fitting hearing aids for adults and children, cochlear implant rehabilitation, and Vestibular diagnostics. Kate also specializes in the management of tinnitus.

Having grown up in Montana, Kate and her husband Brian are excited to be back and raise their son near family. When out of the office, Kate is often spending time near Flathead Lake with friends and family.

Shawna Powers, Au.D

Shawna Powers, Au.D. is a board-certified audiologist. She received her bachelor’s degree in cell biology from Montana State University in 2012, and her doctoral degree in audiology from Idaho State University in 2017. While in Idaho, she completed clinical rotations at ISU’s Speech and Hearing Clinic, as well as Idaho Elks Hearing and Balance Centers. In 2016, Shawna returned to her hometown of Butte, Montana to complete her clinical externship at BC Hearing. She remained at that practice until joining the team at Rocky Mountain ENT in 2023. Shawna focuses on comprehensive hearing assessment for patients of all ages, hearing aid fittings, and tinnitus management.

Outside the clinic, Shawna spends time with friends and family- exploring the MT outdoors, traveling, and enjoying live music.

Luke Obenrader, Au.D

Luke Obenrader, Au.D, received his Doctorate Degree in Audiology from the George S. Osborne College of Audiology at Salus University in 2023 and received his Bachelor of Science Degree in Communication Sciences and Disorders from PennWest, formerly known as Clarion University of Pennsylvania, in 2019. Luke is dedicated to serving patients of all ages with their needs in hearing healthcare, with particular interests in cochlear implants and hearing aid technology. As a musician, he enjoys applying his knowledge of sound and acoustics to the world of hearing health to help treat and educate patients. While not at the clinic, Luke enjoys spending time in the great outdoors, whether it’s skiing, camping, fishing and more.

Laurie Slovarp, PhD, CCC-SLP, BCS-S

Laurie Slovarp, M.D. | Rocky Mountain Ear, Nose, & Throat Center | Allergy Center | Hearing Center | Missoula, Bozeman & Hamilton, MT

Dr. Laurie Slovarp received a Master’s of Science degree in Speech and Hearing Sciences from Arizona State University in 2000 and a PhD in Independent Interdisciplinary studies at University of Montana in August 2015. Following attainment of her M.S. degree, she worked in hospital, outpatient rehabilitation, home health, skilled nursing and university settings for 10 years. She is an associate professor in the Department of Communicative Sciences and Disorders (CSD) at The University of Montana.

Dr. Slovarp’s is a voice, chronic cough, and upper airway specialist. Her role at UM includes clinical instruction, which she conducts through treating patients at Rocky Mountain ENT.

Jane Reynolds, Ph.D., CCC-SLP

Dr. Jane Reynolds (she/her) is an Assistant Professor in the School of Speech-Language-Hearing & Occupational Sciences at the University of Montana. She has been a medical speech-language pathologist (SLP) practicing in inpatient, outpatient, and university settings with pediatric and adult clients since 2015. She is a proud Grizzly and received her B.A.s, M.S., and Ph.D.all from UM. Dr. Reynolds provides clinical education to SLP graduate students at Rocky Mountain ENT. She specializes in working with clients with voice, upper airway (chronic cough and inducible laryngeal obstruction), swallowing, and motor speech disorders. She is passionate about providing excellent clinical care that centers on the client’s desires and goals. In her free time, she loves trail running, reading, and spending time in the Seeley-Swan valley.


Jodie Ferro, Allergy Director

Jodie Ferro joined our allergy center in 2015. Jodie is an allergy technician/director, dedicated to the quality care of patients with allergic diseases of the Ear, Nose and Throat.


Emily Yelenich, FNP-C
Butte Clinic

Emily Yelenich, FNP-C received her Master’s Degree in Family Nurse Practitioner studies from Maryville University and her Bachelor of Nursing degree from Montana Tech of the University of Montana. With a background in inpatient care and family practice and a passion for quality care, she is happy to offer specialty ENT care seeing a wide variety of ear, nose, and throat related medical concerns. She joined Rocky Mountain Ear, Nose, and Throat in 2024. Outside the clinic, Emily and her family enjoy various sporting activities and all the outdoors have to offer in Southwest Montana.

Nondiscrimination Notice


Rocky Mountain Centers complies with applicable Federal civil rights laws and does not discriminate
on the basis of race, color, national origin, age, disability, or sex.
Rocky Mountain Centers does not exclude people or treat them differently because of race, color, national origin, age, disability, or sex.

Missoula Clinic, Rocky Mountain Allergy Center, and The Hearing Center will be closed on Monday, May 29th for the Memorial Day holiday. All office locations will re-open on Tuesday