Melissa Stewart, RN, ACNP – BC

Nurse Practitioner

Melissa is a certified nurse practitioner who enjoys bringing light into people’s lives, especially when they may not be feeling their best. She has spent the majority of her nursing career dedicated to critical care. Since joining Dallas Pulmonary and Critical Care in 2012, she has risen to the role of Chief Operating Officer where she manages business operations and more than 100 employees. She is passionate about the role of nurse practitioners in healthcare and their capacity to bring compassionate care, knowledge, and critical thinking to create positive outcomes for patients. 

Melissa holds a master of science from The University of Texas at Arlington’s acute care nurse practitioner program and a bachelor of science in nursing from Edgewood College in Wisconsin. She began her nursing career in 1998. She is ACLS, BLS, and ATLS certified. Melissa volunteers her time as an animal foster mom and loves spending time with her husband, their dog, and the rest of her family. She loves traveling, hiking, finding new destinations and adventures, and reading.

Leia Oh-Spradling, RN, ACNP – BC

Nurse Practitioner

Leia is a certified nurse practitioner with more than 14 years of healthcare experience. She began working as an intensivist nurse practitioner in 2013 with Dallas Pulmonary and Critical Care and quickly became integral to the company’s leadership, growth, and nurse practitioner education program. After working through the pandemic in several ICUs across the metroplex, she is increasingly passionate about encouraging patients to invest in their health and overall wellbeing. Leia holds a master of science in nursing from The University of Texas at Arlington and a bachelor of science from the University of Oklahoma. Leia is a native of Bedford, Texas, the home of Birch Medical & Wellness headquarters and where her involvement in the medical field began as the vice president of the healthcare pre-professional program (or Future Medical Professionals program) at Trinity High School. She is married with three small children and a cat named Max. Leia enjoys volunteering for her children’s schools and spending her free time working out, traveling, and going on adventures with her family.

Angela Pastolero, RN

Registered Nurse

Angela Pastolero is a graduate of the University of Santo Tomas with a Bachelor’s degree in Nursing. Angela brings over 12 years of Critical Care experience to Birch Medical and Wellness. Her strong clinical background, attention to detail, and compassionate approach to patient care set the foundation for the high standard of service she provides today.
With a deep passion for helping others, she is dedicated to making patients feel both comfortable and confident throughout their aesthetic and wellness journey. She believes that looking good and feeling good go hand in hand—and there is nothing more rewarding to her than seeing patients leave feeling refreshed, empowered, and confident in their own skin.

At Birch Medical and Wellness, her philosophy is simple: enhance your natural beauty and help you look refreshed, natural, and confident—one treatment at a time.
Outside of the clinic, Angela is a devoted wife and proud mom to her sweet little girl. She shares her home with a beloved dog and cat, and treasures spending her days off with her family. She has a love for Pilates and matcha, enjoys traveling and exploring new restaurants as a foodie, and expresses her creativity through photography as a hobby.

Meagan Kirk Deville

Front Desk Coordinator

Meagan fell in love with providing top-quality customer service at age 16 during her first job as a hostess at a small family-owned restaurant. Born in Louisiana, she is very knowledgeable about southern hospitality. She began her front office journey working in the offshore oil and gas industry for an international petroleum service company. Meagan has always had a desire to work in the medical field. In 2018 she joined True MD as a front office coordinator and remained there until it closed in early 2022. Meagan enjoys being the first person patients see when they enter Birch Medical & Wellness. Her goal is to make sure everyone feels welcome and comfortable on arrival. Meagan is married with two daughters and enjoys relaxing on a patio with good music, doing hair and makeup, having family time, and learning at least one new thing a year.

Petra Adams, RN, AGACNP – BC

Nurse Practitioner

Petra Adams is a board-certified nurse practitioner who has more than 13 years of nursing experience. She holds a master of science in nursing from The University of Texas at Arlington and a bachelor of science in nursing from The University of Texas at Austin School of Nursing. She is a 2022 D Magazine Excellence in Nursing honoree. 

Petra finds critical care nursing very rewarding and has a passion for aesthetics. She loves helping people feel good, confident about their appearance, and empowered to become the best version of themselves. Petra is married with two children. She loves to travel, try new restaurants, her Peloton, cook new recipes, and all things related to home decor and design. She usually spends her free time with her kids or listening to live music on date nights.

Tung D. Tran, MD

Founding Physician and Medical Director

Dr. Tung Tran is a board-certified internal medicine, pulmonary, and critical care physician and the president and co-founder of Dallas Pulmonary and Critical Care, a single-specialty pulmonary and critical care medicine group that provides 24/7 ICU staffing for multiple hospitals in the Dallas/Fort Worth Metroplex.

After more than a decade of working with the hospital's most critically ill patients, Dr. Tran decided to launch Birch Medical & Wellness. A practice focused on preventative medicine and improving quality of life. Dr. Tran is passionate about helping people optimize and maintain their health and build resilience against disease and decline.

He earned a bachelor of science in biomedical engineering from Texas A&M University where he graduated magna cum laude and attended Texas A&M University Health Science Center College of Medicine. He completed his internal medicine residency and pulmonary and critical care medicine fellowship at the University of South Alabama Medical Center.

Dr. Tran is very involved with physician leadership and sits on several committees to help steer patient advocacy and improve the quality of care for all populations. His professional interests include sleep, functional medicine, hormones, and regenerative medicine. Outside of practicing medicine, he enjoys cars, mountain biking, hiking outdoors, traveling, electronics, engineering, astrophotography, landscape photography, and, most of all, spending time with his family.