All our professionals maintain the highest levels of accreditation and pursue ongoing education to stay ahead of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

Karina Luna

Administrative Lead

If you would have told me 12 years ago I'd be working in healthcare STILL and residing in the Great state of Texas I would have told you in my Minnesotan accent, “You betcha wrong!”

Hi, I'm Karina. I started my health care career working alongside our most vulnerable. Providing direct patient care for 8 years to long term patients in assisted living and memory care. Creating strong relationships with patients and their families. Followed by a year in a community clinic with different outreach programs aimed to support families in need often using my bilingual skills. Working in a diverse setting has been both a privilege and rewarding.

When I'm not checking if your insurance is in network or scheduling your next appointment, I spend the majority of my time at home making meals for my family and getting recipes from Pinterest. I enjoy watching any kind of documentary or true crime show. Though I question my sanity when I’m pushing through a workout, I truly do enjoy challenging my body through movement and desire to achieve wellness in all aspects of my life.

I’ve worked as a Patient Coordinator for Dr. Wolthoff over the course of more than 6 years and have formed professional relationships with many of you. I’m excited to meet again and pick up where we left off as well as meeting all of you looking to achieve your skin care goals for the first time.

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Liz Whyete

Clinical Lead, Certified Medical Assistant

Hi there! My name is Liz and I’m your ray of sunshine lol. I’m a mom of three amazing and beautiful kiddos Tristen (15), Javion (12), and my Butterfly Princess Nia (1). 

I remember watching the show ER at a young age and thinking this is what I want to do, people need me! Though this was a television show, the representation of doctors and nurses tirelessly serving others everyday really caught my attention and as a kid I thought “Wow I want to be someone’s superhero everyday. "I have a passion for selflessly serving others and I try to make each patient I come in contact with to feel seen and present hope where they have felt hopelessness. In a world where there is so much hate and chaos there is still room for happiness, kindness, and love. My mottos are, “If you can’t find the sunshine be the sunshine” and “Leave a little sparkle wherever you go”. 

On my off days I love spending time with my kiddos, brunching (ordering cute cocktails a must), watching Sunday football, and attending church.

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Alex Segura

Aesthetician, Certified Medical Assistant

Hi my name is Alex Segura-Baker. I am a Certified Medical Assistant and Cosmetic Aesthetics Lead at Intentional Dermatology and Health. I attended Sandford Brown for my Medical Assisting Certificate and later attended Ogle School for hair skin, and nails where I received my cosmetology license. I’ve been blessed to work alongside Dr. Wolthoff since 2013. She is the absolute best and we are so excited for this new journey with her!

My biggest passion in life is making people feel and look good on the inside and out. I love giving advice and tips on skin products, hair, and makeup.

When I am not at work I enjoy live concerts with my husband, I love movies, dinners, and traveling with my family. And lastly, I love letting loose and spending time with my Intentional Derm family outside of work!

I can’t wait to meet some of you and can’t wait to see some of you guys again!

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Makenzie Langley

Administrative Assistant

Hello! My name is Makenzie and I am one of the friendly faces you see at the front desk. I stumbled into the world of Dermatology and patient care in 2021 and honestly thought it was just going to be a stepping stone for me. I was quickly proven wrong and over two years later I can say that working in this field and specifically at this practice brings me so much joy. I love interacting with our patients and finding ways to help make their day just a little bit better, even if that is simply helping schedule their next appointment or recommending my favorite product.

I am so grateful to be a part of this little “dream team” here at Intentional Dermatology. It truly feels like working with family and I enjoy walking through our doors to do that every single day. Our staff is so incredibly warm and inviting and we make it our goal each day to provide the best service and care for you!

On my days off you can find me spending time with my family and friends. Some of my hobbies include reading, drawing, painting and designing. I have a passion for learning and creating and love all things related to both!

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Megan Marthiljohni

Certified Medical Assistant

Hi, my name is Megan Marthiljohni! I am a Certified Medical Assistant at Intentional Dermatology and Heath. I grew up in Victoria, Texas and attended Texas A&M University where I earned my undergraduate degree. I went back to school in 2022 and earned my masters in Lifestyle Health Sciences at the University of North Texas Health Science Center and became a Certified Heath and Wellness Coach. Working alongside Dr. Wolthoff has shown me the power of effective communication and compassion in healthcare! The quality of care she shows to her patients is something I will strive to do with my patients as a future Physician Assistant! I am so thankful to be apart of the wonderful team here at Intentional Dermatology. Our staff strives to facilitate an environment where patients feel welcomed and comfortable each and every day! When I am not at work you can find me reading, baking, running, and spending time with my family and friends!

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Aidee Estrada

Certified Medical Assistant

Hi, my name is Aidee, I'm a dedicated dermatology medical assistant. I'm a mother of two amazing kids: 16-year-old Alexandra and 2-year-old Jacob. I always knew I wanted to help people and becoming a medical assistant has given me that opportunity. Providing excellent patient care is incredibly important to me and I strive to make a positive impact in my work every day, not only with patients, but also with my coworkers and everyone around me. On my off days I enjoy spending quality time with friends and family whether it's going on wine tours, shopping, or playing at the park with my kids. Baking is my main hobby and while my cakes are not always homemade; they are always made with love.

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Christina Wilhoite

Aesthetician

This is Christina! She is a clinical trainer, licensed aesthetician, and veteran laser technician who loves helping clients improve their skin health. She began her career in 2007 at a local  medical spa with multi specialist physicians and a few later began working with 2 dermatologists who taught her about skin problems, skin health and skin care. How to help clients improve the health and look of their skin through different modalities. She then broadened her knowledge of facial aesthetics working with plastic surgeons for 2 years, then continued in dermatology with the 2 dermatologist she knows and adores. This past year she began a new role as a clinical development manager for Texas and head of clinical for Novoxel Tixel and clinical trainer for over 170 laser devices throughout the US.