Meet the UDA of Mansfield & Arlington Team

Welcome to United Dermatology Associates of Mansfield & Arlington where we are dedicated to providing the highest standard of dermatological care. UDA of Mansfield & Arlington welcomes new patients of all ages and skin colors with conditions of the skin, hair, and nails. We treat all skin problems and diseases through a comprehensive and personalized approach.

uda6Jeannine Hoang, MD

An excellent student at Sam Houston High School in Arlington, Tx, Dr. Hoang went on to graduate summa cum laude from the University of Texas at Austin. She completed medical school at Baylor College of Medicine, with an internship in Internal Medicine at Presbyterian Hospital of Dallas and a residency in Dermatology at the University of Louisville in Kentucky.  She open Mansfield Dermatology  in 2007, which is now called United Dermatology Associates, and now serving the communities of Mansfield, Arlington, Burleson and Flower Mound.

Dr. Hoang enjoys all aspects of dermatology, and is continuously learning and implementing new ways to help patients reach optimal health.  During her free time she likes to stay active by going to the gym, spending time with her husband and three children, and is continually taking courses on preventative, and functional medicine.

Click here to learn more about Dr. Hoang.

Ben Treen, MD

Born in New Orleans, Dr. Treen attended school there and one year in Spartanburg, SC before leaving early to attend college. On a National Merit Scholarship, he attended the University of Georgia, graduating early with a BSA in Biological Sciences. After working in a hospital OR he decided to go to medical school to be a thoracic surgeon, but was lured away by the variety inherent in dermatology at the Medical University of South Carolina in Charleston. After completing a residency in Internal Medicine at the Alton Ochsner Medical Foundation in New Orleans, he was accepted into dermatology residency at LSUMC in New Orleans where he was chief resident in his final year, and achieved certification by the American Board of Dermatology immediately thereafter.

Dr. Treen established a successful solo practice in Greenville, SC, encompassing all aspects of dermatology: general, medical, pediatric, surgical, cosmetic, and laser procedures. He has been an invited speaker and trainer for regional, national, and international meetings on advanced surgical, laser, and cosmetic procedures (including liposuction).

Licensed in Texas since 2011, he is excited to have moved here, and to be a part of United Dermatology Associates. His interests and hobbies include hunting, recumbent bicycling, water-sports, 5-string banjo, motorcycling, and Ham radio (call sign W1UGA reflects his passion for the Georgia Bulldogs).

Dr. Treen is a Fellow of the American Society for Mohs Surgery, the American Academy of Dermatology, and the American Society of Dermatologic Surgery.

Lisa Moody, PA-C

Lisa grew up in the Fort Worth/Weatherford area. She completed her undergraduate degree at the University of Texas at Arlington, and she received her B.S. in Physician Assistant studies as part of the inaugural class of the PA program at the University of North Texas Health Science Center at Fort Worth. Prior to joining our practice, Lisa worked in primary care for 8 years. She has been part of the Mansfield Dermatology team since 2007.

Mimi Uyen Phan, PA-C

Mimi Uyen Phan joined United Dermatology Associates in the summer of 2015. She is a physician assistant certified by the National Commission on Certification of Physician Assistants and the Texas State Board of Physician Assistant Examiners.

A DFW native, Mimi earned her Bachelor of Science in Biology at The University of Texas in Arlington. She continued to work in the academic field with the Tarrant County College District as an instructional associate for the Department of Natural Sciences before pursing her passion for medicine.  Mimi is a graduate of Eastern Virginia Medical School, where she received her Master of Physician Assistant Studies.

She enjoys practicing medical dermatology, but she also has a special interest in non-invasive cosmetic procedures. Mimi enjoys seeing patients and caring for them each as her own family members. “I value the meaning of hard work and dedicate myself to providing only the very best of care for my patients.”  During her free time, she enjoys spending time with her husband, son and her extended family members. She has a passion for cooking, traveling, and participating in charitable events with her family.

Call today to schedule your consultation with United Dermatology Associates or our affiliated office, Mansfield Dermatology.

Paige Herlihy, PA-C

Certified Physician Assistant Paige Herlihy grew up locally in Dallas and went on to earn  a Bachelor of Arts degree in Biology with a minor in Spanish from Texas A&M University. She graduated with University and Foundation Honors. During her time at Texas A&M, Paige was involved in student government and was elected leadership positions within her sorority. She continues to enjoy keeping up with Aggie sports.

In 2013, Paige earned her Masters in Physician Assistant Studies from UT Southwestern in Dallas and is currently certified by the National Commission on Certification of Physician Assistants. Paige is a member of the Texas Academy of Physician Assistants and the Society of Dermatology Physician Assistants.

She joined United Dermatology Associates in January 2016, which fulfilled her lifelong dream of a career in dermatology. Paige has had a love for all aspects of dermatology since she can remember and is thankful for the opportunity to serve patients, family, and friends alike.
Paige currently lives in Dallas and enjoys spending time with all of her family and friends. Outside of work, she can be found drinking coffee at local coffee shops, running, working out, in Bible study, or exploring new places around town. She has been on mission trips and has volunteered throughout the community at Children’s Medical Center and some underserved areas of Dallas. Paige does not know a stranger and loves meeting new people!

Brian Cook, PA-C

Mr. Brian E. Cook is a board certified physician assistant (PA-C) who received additional specialized training in dermatology.  He practices medical, surgical, and cosmetic dermatology for patients of all ages.  Brian earned his Master’s of Medical Science degree in Physician Assistant studies from Yale University, where he was awarded Honors for his thesis on Omega 3 Fatty Acids.  In addition to being a full time clinician, Brian is an educator who has trained nurses, medical student’s, physicians, as well as other PA’s.  Prior to becoming a PA, Brian graduated from Texas A&M University with a Bachelor’s of Science degree and he served with distinction as an officer in the U.S. Army Medical Service Corps.

Brian enjoys building relationships with his patients by spending the time needed to educate them on effective skincare regimens, disease prevention, and if needed customized skin therapies thereby allowing the patient a proactive role. Brian’s ultimate goal is to provide professional qualified informed care so his patients achieve the best outcome possible.

Kyla Crispe, MPAS, PA-C

Kyla grew up in a small farming and ranching community in Colorado. She received her Bachelor of Science in Physiology from the University of Wyoming. She then attended Texas A&M University where she did breast cancer research and taught undergraduate anatomy. Kyla returned to Colorado and attended Colorado State University to earn her Master of Science in Biomedical Science in 2012.

In May 2016, she graduated with honors from the University of North Texas Health Science Center with her Master in Physician Assistant Studies. She was also inducted into Pi Alpha, the PAEA National Honor Society. Kyla is a physician assistant certified by the National Commission on Certification of Physician Assistants.

She currently lives in Fort Worth with her husband, daughter, horses and dogs. She and her husband grew up riding horses and enjoy spending time with animals and the outdoors. They are happy to call Cow-Town home.

Tiffany Bivens, MPAS, PA-C

Tiffany Bivens attended Iowa State University where she earned both her Bachelor of Science in Biology and Master of Science in Exercise Physiology.  She relocated to Dallas to research at the prestigious Institute for Exercise and Environmental Medicine, where she was a Senior Research Associate studying cardiac function and autonomic control.  Tiffany authored many journal articles, but felt that her true calling was caring for those patients participating in the studies.  The Iowa-native followed her heart to the University of North Texas Health Science Center to earn her Masters in Physician Assistant Studies and become a Certified Physician Assistant.

Inspired by Dr. Hoang and the other providers at United Dermatology Associates, Tiffany takes a holistic approach to dermatology and believes that many dermatology afflictions are related to overall wellness. She loves that dermatology allows her to treat patients of all ages, and considers it an honor to be a healthcare partner for everyone she treats.

In her free time, she cherishes time with her family, practicing yoga, attempting gardening in Texas, and tackling the never-ending list of home improvement projects.

What Is a Dermatology Physician Assistant?


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Getting to our Mansfield Office

Our office is conveniently located at 130 Regency Pkwy, Mansfield, TX 76063

Getting to our Arlington Office

Our office is conveniently located at 723 North Fielder Road, Suite C 
Arlington, TX 76012-4697.

Yeah!! We did it!! #nationaljuniorhonorsociety #hardworkpaysoffs #ourfuture #proudofyou @hoang.sophie @super_sydddd @derm2.0 @samsydnate @ The Oakridge School ... See MoreSee Less

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Thanks for the positive review. We do our best to give you the best kind of client experience 😊 ... See MoreSee Less

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Skin tip ✨ Apply sunscreen every day before you go outdoors.
Sunscreen can slow down skin aging and can also help prevent skin cancer.
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Natural and subtle but sexier and plumper lips. That's the way we do it 😊 👄 ... See MoreSee Less

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Have an uplifting experience, literally! ... See MoreSee Less

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Spoiling my nieces and nephew this weekend. Family is everything!😍 ... See MoreSee Less

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Does your skin need some TLC? Don't worry. We'll give the attention and care your skin deserves 😊 ... See MoreSee Less

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💦 💦 💦 1.5 liters of water a day will keep the dermatologist away. ... See MoreSee Less

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First facial and eyebrow waxing done today. Thank you Shelly Dixon for making it a memorable experience.🥰 ... See MoreSee Less

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Here one minute, gone the next. A stunning transformation! ... See MoreSee Less

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We agree! And we are here to take care of your skin and help you with your skin concerns 😊 ✨ ... See MoreSee Less

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Happy Friday and #InternationalWomensDay! We have an amazing team of smart, caring women at #UDA

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Hope everyone stayed warm today! Friendly reminder that whenever the temperatures dip, never leave home without adequately moisturizing your skin! ... See MoreSee Less

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Do you suffer with stinky feet or foot fungus and nothing seems to help?
Here’s your chance to get a wonderful product specifically designed for that at a discount! It’s regularly $47, but our Mansfield location has over-ordered and is offering the big 12 oz. bottles* for $37 !
CLn Hand & Foot Wash deep cleans
Hands and feet are subject to friction, blisters, cracks and cuts. They come into contact with millions of microbes and bacteria on a daily basis, and any openings in the skin put them at increased risk of infection. Effective cleansing, particularly between toes and around nail beds, is essential for maintaining healthy extremities. CLn Hand & Foot Wash was designed to offer a fast, effective deep clean.

*While supplies last , Mansfield location only !
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3 weeks ago  ·  

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Call our office to schedule a free consultation for CoolSculpting !

Ditch the amp and freeze away stubborn belly fat with the nonsurgical, FDA-cleared CoolSculpting treatment! ❄️ #COOLnotcool

Learn more 👉
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