Our Doctors | Billings Plastic Surgery

Our Doctors


Steven Grosso, M.D.

Dr. Steven Grosso
was born in Illinois and grew up in Portland, Oregon. Involved in athletic, musical, and academic activities at Jesuit High School, he finished as the school’s valedictorian. He then discovered Montana, where he attended Carroll College in Helena as an honors scholar. He received an Armed Forces Health Professions scholarship after finishing first in his senior class and graduating summa cum laude from Carroll with a degree in Biology

Medical school was next for Dr. Grosso, and he attended Creighton University, where he developed an interest in surgery and ultimately received his MD degree. He then received an appointment as a surgery resident at the prestigious Vanderbilt University Department of Surgery. Over the next five years he honed his skills as a general and trauma surgeon, while becoming interested in plastic surgery.

After finishing his general surgery training and achieving board certification, he began his military service. Over the next four years, he served as a general and trauma surgeon in the Army, primarily stationed in Europe. There he served as the Chief of Surgery and Chief of General Surgery in field surgical hospitals in Kosovo, Bosnia and Herzegovina, Hungary, and Germany at a time when the Balkans were in fierce combat. He received numerous commendations for his surgical skill, leadership ability in crisis, and even marksmanship.

After a distinguished military career, he was honorably discharged in 2000, where he was accepted in another top institution-the Division of Plastic Surgery at the University of Alabama. There he worked with some of the legendary figures in plastic surgery to develop skills in all phases of plastic surgery-from pediatric reconstructive surgery to adult cosmetic procedures.

In 2002 he returned to Montana to join Dr. Walt Peet at Billings Plastic Surgery. Dr. Alan Muskett joined the practice in 2005 on Dr. Peet’s retirement. Dr. Grosso quickly developed a large and busy practice due to his command of the entire range of plastic surgery.

Dr. Grosso has been active in local medical leadership positions. He has served as an instructor in Advanced Trauma Life Support, and has served on state Trauma Committees. He has participated in several mission trips with Smile Network, repairing cleft lips and palates in Central and South America.
Steve and his wife, Dr. Lorinda Grosso, are parents of Matthew and Megan. They are members of the St. Pius X Catholic Parish in Billings.

Dr. Grosso is a Board Certified by the American Board of Plastic Surgery and the American Board of Surgery. He is a member of the American Society of Plastic Surgeons, the American Burn Association, the American Cleft Palate-Craniofacial Association and the American Society for Aesthetic Plastic Surgery. He is a Fellow of the American College of Surgeons and a Fellow of the International College of Surgeons.


Alan Muskett, M.D.

Dr. Alan Muskett
was born to Bess and Al Muskett in Missoula, Montana. At Missoula Sentinel High School he won state championships in track (800 meter run) and oratory. He graduated with highest honors in English Literature from Montana State University, and then proceeded to the University of Washington where he graduated with honors and was elected to Alpha Omega Alpha, a medical honorary society.

Following medical school, Dr. Muskett trained in general surgery at the University of Utah. He did an additional year in cardiac surgery research, publishing several articles and presenting papers at scientific meetings on cardiopulmonary transplantation. He then became board certified in general surgery and was elected to the American College of Surgeons. He then moved on to Washington University in St. Louis, where he was trained as a cardiac and thoracic surgeon, having the opportunity to perform heart and lung transplants. After completing his fellowship, he was board certified in cardiac and thoracic surgery.

In 1991 Dr. Muskett returned to Montana and practiced cardiac, thoracic, and vascular surgery for the next 12 years. His surgical team was consistently ranked among the best in the country, winning numerous quality and outcome awards. In 2003, he sought a new challenge and entered a plastic surgery residency at the University of Mississippi. In this very busy program he received extensive experience in all areas of plastic surgery. There he continued his research interests, publishing several papers, and twice had presentations at the prestigious American Association of Plastic Surgery meeting. In 2005, he replaced the retiring Dr. Walter Peet in Billings, joining Dr. Steve Grosso at Billings Plastic Surgery.

Dr. Muskett has been active in the community, serving as president of the Yellowstone Valley Medical Society, president of Montana Associated Physicians, Chairman of Surgery at St. Vincent Healthcare, Chief of Staff at St Vincent Healthcare, and has served on the board of directors of the Billings Symphony Orchestra and the Billings Area Catholic Education Trust. He has written extensively for the Billings Gazette on medical and healing subjects, and has spoken at numerous medical conferences around the state. His book, Mostly True, has been highly successful. Dr. Muskett is a member of the American Society of Plastic Surgeons, the American College of Surgeons, and the Montana Medical Association. He has now made five mission trips with Smile Network International, an organization providing surgery for cleft lip and palate deformities.

Alan is married to Pamela, and they are parents of Sally, Cathy, and Luke, all of whom have entered health care professions.


Kacie Robertus, Nurse Practitioner

Kacie was born in St. George, Utah and raised in rural Montana. She enjoys outdoor activities with her husband and three daughters. Kacie’s other activities include coaching girls’ volleyball at Laurel Middle School and mentoring kids in the community.

Kacie has been providing medical services in Montana since 2005. She began her career in the neonatal intensive care unit and providing care to women in an OB/GYN practice. Wanting to pursue further career aspirations she returned to MSU Bozeman and completed her Masters in Nursing with honors. After graduation she joined a practice caring for rural Montanans, homeless, and underserved and went on to practice family medicine and urgent care. Her love of women’s health and healthy aging brought her to providing aesthetic and Bioidentical hormone replacement therapy in 2014. Kacie has also gone through extensive training in Botox, fillers, lasers, and Chemical Peels. She continues to follow her passion for aesthetic medicine at Billings Plastic Surgery.

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