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Office Manager

Mayra was born and raised in Southern California. She has been with Dr. DeMarco and Dr. Wismann for over 14 years. In her spare time she enjoys watching and going to sporting events, and spending time with her family.



Dental Assistant

Sandra Estrada has been a dental assistant for 22 years and would like you to know she is not related to Erik Estrada. She has been with DeMarco Wismann Dentistry for four years. She has experience in the back office and works the front office as well. She is fluent in Spanish and her family is very important to her. She has been married to her husband for 25 long years. She has two children and in her spare time loves traveling to Mexicali, Mexico where she is from.



Registered Dental Hygienist

Paula was born in Michigan and has lived most of her life here in Peoria, Arizona. She has worked in the dental field since 1989. After many years, she returned to college graduating from Glendale Community College and then furthering her education graduating from Rio Salado College with her Dental Hygiene Degree in 2012. Paula enjoys interacting, educating and treating her patients with the utmost care. She has been working at DeMarco Wismann Dentistry since 2014.



Registered Dental Hygienist

Kim was born and raised in Phoenix, AZ. She attended Phoenix College and graduated with her Dental Hygiene degree in 1994. Kim first joined our office in 2001. Kim has been married to her husband Dave for 23 years and they have four children. When Kim is not working, she enjoys reading and spending time with her family.



Registered Dental Hygienist

Stephanie is originally from North Carolina. She has been a dental hygienist for 25 years. She has been married to her husband John for 26 years and they have 3 children. For fun she enjoys staying active, spending time with family, traveling and baking.



Registered Dental Hygienist

Sherrie moved to Phoenix from Cambridge, MA in 2002 where she earned her masters degree in Dental Public Health at Boston University- she has a strong background in periodontics and in engaging patients in their dental health. This year marks her 41st year as a dental hygienist. Sherrie enjoys symphony opera, ballet and has also traveled extensively in Europe.



Registered Dental Assistant

My name is Mercedes and I am originally from the Caribbean. I’ve been living in Arizona for the past 6 years and I love the landscape, the sunsets and the winters here. I’m married with four kids and two dogs. Me and my family enjoy spending time together and since we have relatives pretty much everywhere we get to travel often. I graduated from dental assisting school in Utah and have been working in the dental field since 2012. I don’t see myself doing any other thing, that’s how much I love what I do. I recently joined Dr. Wismann’s practice and I’m very happy to be a part of such an amazing team!



Back Office Assistant

I was born and raised in Coeur D' Alene Idaho. Being in the dental field has always been a passion of mine, since my auntie is a hygienist she really helped open my eyes on the importance of dental care. I enjoy helping patients understand and implement their treatment plan. I enjoy working with a great doctor and a team that takes excellent care of each and every patient. I have two little fur babies Cash and Coco. When I am not doing dental work I love spending time outdoors, and hanging out with friends and family.



Front Office

Cynthia Olivers Rodriguez was born and raised in the hottest town, Phoenix, Arizona. She has been working for Dr. Wismann for over a year and half and started her invisalign journey with the office. She has three beautiful dogs and enjoys drawing and taking long hikes, as well as boxing. She is also into taking care and fixing up her bright yellow car. In her free time she enjoys finding new and exotic plants to add to her collection. She loves to interact with the patients and staff.



Front Office

Yesenia Estrada has been an amazing employee for about 2 years. She is cross-trained for front office receptionist and back office as a dental assistant. She received her certification for dental assisting as soon as she completed high school from her 2 year course at West-MEC, as well as completed her externship at Wismann Dental before getting hired. She enjoys going out to dance with her friends on the weekends and visiting family in the beautiful country of Mexico when she gets the chance to drive out there. She is in hopes of making our patient's experience at our office the most helpful and comfortable as she can make it.



Front Office

I am proud to be part of such an amazing team. We all work extremely well together to provide the best service for you. I love the positive energy felt by everyone and I really appreciate the attentive care of Dr. Wismann and our team strives to provide, as individuals and collectively, to each patient. Simply said, everyone is important at Wismann Dental!

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