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Meet the Staff


Marta Woodworth

Marta Woodworth joined our team October 2001. She graduated from ISUM in 1981 with a BS in Dental Hygiene. Marta taught in the ISU dental hygiene department from 1981-1984 and taught yearly school programs for 15 years. Marta was on the board of Malhear Country Headstart for ten years. Marta has been married to her husband, Paul, for 12 years . Marta grew up in the Willamette Valley, moved to Idaho in 1976. Marta moved to the Payette area over 17 years ago. Marta loves to decorate, read, bicycle and spend time in her yard gardening.

Mandy Whitney

Mandy Whitney joined our practice in 2008. She graduated from the Boise State Dental Assistant Program in 1986. She has worked in various positions in the dental field including dental assistant, insurance billing, and front office management. Mandy takes care of our patients like family. She ‘ll be the first face you see and the sweet voice on the phone calling to confirm your appointments.

Mandy and her husband Robert are Idaho natives. Outside the office she enjoys gardening, camping, traveling and spending time with family and friends. Mandy and Robert have 3 sons, 3 wonderful daughter-in-laws and 1 beautiful grandchild.

Kari Brumfield

Kari Brumfield attended Idaho State University and graduated with a Bachelor’s degree in Dental Hygiene in 2002 and was awarded ‘The Golden Scaler’ award. Kari joined Dr. Guiles in 2008 after marrying her husband Casey and moving to Fruitland. She went into the dental field beacause she enjoys caring for the “ the young at heart and everyone in-between!”

Kari enjoys doing “just about anything outdoors.” From running to skiing, all four seasons are full of experiencing all that Idaho has to offer. Family, friends and ‘curling up with a good book’ also top Kari’s list of things she likes to do most.

Favi Jasso

Favi Jasso attended Milan technical Institute Dental Assistant Program and graduated 2010. Favi joined our Team in 2011 and went into the dental field to “help people and make them feel confident about their smiles”. She looks forward to providing superior care to each and every patient she takes care of. Being fluent in Spanish she is able to provide a much needed bridge to those who need help understanding dental procedures in the SpanishCommunity.

Along with enjoying her career, Favi likes to travel, ride 4 wheelers, play softball and spil her nieces.

The rest of the time is spent with family & friends.

Valerie Steinhaus

Hello, My name is Valerie Steinhaus. I am a native of Idaho and of the Treasure valley. I have resided in Parma for the past 40 years. My husband, Ken, and I have 3 children and 5 grandchildren. We enjoy spending our time camping and hunting together. My hobbies include decorating, gardening, and finding unique treasures for myself, my family and my friends.

I have 25 years of experience in Dental Assisting. I started on-the-job Training in 1988. I obtained my expanded functions at Larry G. Selland College of Applied Technology. I have received my Dental Assistant national Board(DANB) certification. I have been employeed with Dr. Guiles since 2011. I really enjoy working with our Patient Dental Team.

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