Danielle Beachler, MD
Director Pediatric Cystic Fibrosis Program, Board Certified Pediatric Pulmonologist

Dr. Beachler received her Bachelor’s degree from Texas A&M University, and her Medical Degree from the former University of Texas Health Science Center in Houston (now known as McGovern Medical School). She completed her pediatric residency at Children’s Mercy Hospital in Kansas City, and her pulmonary fellowship training was completed at UT Southwestern in Dallas, TX.
Dr. Beachler has had the privilege to care for CF patients in Central Texas since completing her fellowship and joining the Dell Children’s Cystic Fibrosis Center. She stepped into the role of Director in 2020 and is excited for what the future holds for this great program. She believes in working closely with the local Central Texas CF Chapter, and serves as a board member.
Her passion in caring for Cystic Fibrosis patients started with her earliest encounters in medical training, and these patients have continued to hold a special place in her heart. She believes in our centers continued involvement in research and therapeutic drug network participation, and is always striving toward the goal of CF=Cure Found!
Dr. Beachler moved to Austin in 2015 with her husband, and they have been blessed with 2 amazing sons. She likes to spend as much of her free time as possible with her family, and enjoys traveling, reading, and running.

Sujal C. Rangwalla, DO
Associate Director Pediatric Cystic Fibrosis Program, Board Certified Pediatric Gastroenterology

Dr. Rangwalla received his medical degree and finished his internship at University of Medicine and Dentistry of NJ, Stratford, NJ. He completed his residency in Thomas Jefferson University Hospital, Wilmington, DE and his fellowship in University of Michigan Hospital, Ann Arbor, MI.Dr. Rangwalla takes care of children with gastrointestinal complications of CF, inflammatory bowel disease, and pediatric liver disease. He also performs procedures such as EGD, colonoscopy, breath tests, and capsule endoscopy.
Dr. Rangwalla loves interacting with children. Pediatric gastroenterology allows him to see children with a wide array of conditions. Whether simply reassuring a family or managing a chronic illness, building relationships with his patients and their families is very rewarding.
Dr. Rangwalla joined the cystic fibrosis team in 2017. He has a strong interest in taking care of children with cystic fibrosis. He is now the associate program director for the pediatric cystic fibrosis center at Dell Children’s Hospital.
Dr. Rangwalla grew up in New Jersey but has adapted to the warm Texas weather. He has lived in Austin with his wife and twin boys since 2009. Dr. Rangwalla enjoys the outdoors and can be spotted at various parks in the area with my family.

Jordan V. Scalo, MD
Board Certified Pediatric Pulmonologist

Dr. Scalo received his medical degree from Mount Sinai School of Medicine, New York, NY. He completed his residency in LAC/USC Womens-Childrens Hospital, Los Angeles, CA, and his fellowship in University of CA @ San Francisco-Moffitt Hospital, San Francisco, CA. Dr. Scalo has been with the central Texas Cystic Fibrosis Center since 2002. He is also on the clinical faculty of the Department of Pediatrics for the Dell Medical School.
Dr Scalo takes care of children with cystic fibrosis, asthma, premature lung disease, recurrent pneumonia, pulmonary hypertension, and aspiration. He also takes care of children with respiratory complications of other systemic diseases such as sickle cell, neuromuscular disease, immunodeficiency, and autoimmune diseases.
Dr. Scalo enjoys reading and spending time with his wife and son.


Ferdinand (Fred) L Coste III, DO
Board Certified Pediatric Pulmonologist

After graduating from Cornell University, Dr. Coste received his medical education at the New York College of Osteopathic Medicine. He completed a pediatric residency at Winthrop University Hospital in New York, and his pediatric pulmonary medicine fellowship at the division of Allergy, Immunology and Pulmonary Medicine at Washington University.
Dr. Coste joined the Dell Children’s Medical Center Pediatric Program in 2020. He focuses on caring for children with cystic fibrosis and asthma. Dr. Coste has participated in many CF Foundation quality improvement initiatives. He is also one of the Partnership Enhancement Program (PEP) trainers for the CF Foundation. The PEP strives to improve care partnerships between the care teams and people with CF and their families.
Dr. Coste likes exploring Austin with his wife and children. He also has been playing soccer for over 40 years and coaches youth soccer for his sons.


Allan Frank, MD
Founder of Central Texas CF Program, Board Certified Pediatrician

Dr. Frank received his Bachelor degree from the University of Pennsylvania in 1969 and went on to the University of Texas Health Science Center in San Antonio where he received his M.D. in 1973. He completed his Internship and first year of Residency at St. Louis Children’s Hospital from 1973-1975. He completed his second year in Pediatric Residency from 1975-1976 and a Pediatric Fellowship from 1976-1978.
Dr. Frank has practiced in Austin since 1978. He is fluent in Spanish. He has a special interest in children’s respiratory ailments and is a pioneer in Cystic Fibrosis care in Central Texas.
Dr. Frank enjoys reading and relaxing at home with his wife. He looks forward to catching up with his children and grandbabies. Additionally he has an elaborate fish tank, a one-eyed pug named Frank, and an eighteen pound cat named Red.



Greg McClelland, PA-C, AE-C
Outpatient Pulmonary Physician Assistant

Greg graduated cum laude from Midwestern University in 1995 with his physician assistant degree.
Greg joined the Cystic Fibrosis team in 2012 when he began working in pediatric pulmonology. Prior to that he had over 16 years of experience in primary care. His primary care background helps him take into account the overall health of each patient. Greg partners with the physicians to expand access to care and works closely with them to help maintain and improve the health of each patient.
Greg enjoys seeing patients who have CF, as well as their families. It is important to him to build relationships over the long-term to improve both the continuity and quality of care. He is also part of the research team helping with studies that are rapidly changing CF treatments that impact many lives for years to come. He is excited to be a part of the CF team especially with the advancement of therapies that will continue to improve both the quality and duration of life for our patients.
Greg is a native of the Chicago area. In his free time, he enjoys mountain biking, running, and whenever possible, snowboarding. He also likes to spend time with his wife and 2 sons.

Eleonor “April” Jones, CPNP
Outpatient Gastroenterology Nurse Practitioner

April graduated from Texas Tech University Health Sciences Center as a Pediatric Nurse Practitioner in 2015 and has been working at her dream job ever since. Ever since she was young, April wanted to help people and heal people.
As a nurse practitioner, April feels like she has the hands-on approach of a nurse, and the research based intellect of a doctor. The only thing that was lacking until recently was helping the CF population. Prior to working as an PNP, April worked on the Respiratory unit at Dell Children’s Medical Center for 3 years. It was there that she developed an understanding and love for this chronically ill population. She manages to create a relationship of trust with CF patients and their families while offering recommendations to best manage their plan of care. Currently her primary focus is on motility and how it affects abdominal pain, reflux, failure to thrive, constipation and feeding difficulties. April joined the Dell Children’s Pediatric CF Program in 2020.
While April was raised in New Jersey, her heart now belongs to Austin, TX. Austin has everything April looks for in a city and so much more. Since moving to the area in 2014, she has gotten married, found lifelong friendships, bought a home, graduated NP school and had 2 daughters. In her off time, April likes spending time with her family and friends, playing tennis, hiking, swimming and attending live concerts. She is also re-learning Spanish and attempting to learn the guitar.

Mariza Castelán, RN
Clinic Registered Nurse

Mariza earned her Associate of Applied Science in Nursing at Austin Community College. She has worked at the cystic fibrosis clinic since 2006, and officially joined the CF team as a RN in 2017.
As a clinic Registered Nurse Mariza works closely with the pediatric multidisciplinary team to facilitate communication between the patient, family and the other members of the CF team. Mariza walks families and patients through their daily treatment plan. She also provides the patient and family members with health information to resources to help manage the disease. Two of Mariza’s favorite things about nursing include patient advocacy and educating patients with the most current information available.
Mariza was born and raised in Austin, Texas and is fluent in both English and Spanish. In her free time, Mariza enjoys working out and spending time with her husband, two children, and her beagle Pablo and French bulldog Frida.


Shine-Ann Pai, BSRC, RRT
Registered Respiratory Therapist, Pediatric Cystic Fibrosis Program Coordinator, and Marnie Paul Specialty Care Center Quality Improvement Coordinator

Shine-Ann received her Bachelor’s degree from the University of Texas at Austin and her respiratory care degree from the University Health Science Center at San Antonio. Shine-Ann worked with the CF community in San Antonio prior to joining the Central Texas Pediatric and Adult CF Centers in 2000. She stayed with the Dell Children’s Medical Center pediatric program when the adult program grew and moved to the adult medical center in 2017.
Shine-Ann assumed the role of the interim Pediatric Program Coordinator in 2021. As the program coordinator, Shine-Ann provides support and education for staff, patients, community, and is the liaison for both in- and out- team communication. For her clinical respiratory therapist role, she collects sputum cultures, educates, and follows up with our patients on their respiratory care needs. Shine-Ann is also a credentialed Quality Improvement (QI) coach for the CF Foundation (CFF) and our center’s QI coordinator. She has participated in various CFF committees and has served as a mentor in the CFF Respiratory Apprentice/Mentor Program since 2009. Shine-Ann has presented and moderated as chair in the local and the North American CF Conferences.
Shine-Ann considers Austin to be home, however she has lived in San Antonio, Houston, Los Angeles, and Taiwan. She is fluent in Mandarin and Taiwanese. Shine-Ann is married with 2 children. She enjoys spending time with her family, painting, reading, watching TV, and loves all things culinary.

Laura Russian, BSRC, RRT, RPFT
Registered Respiratory Therapist (RRT)

Laura received her Bachelor of Science in Respiratory Care (BSRC) from Texas State University. She is a Registered Respiratory Therapist (RRT) and a Registered Pulmonary Function Technologist (RPFT). Both credentials signify advanced knowledge and expertise in the field of Respiratory Care. Laura was a member of the pulmonary team with a primary focus on the Cystic Fibrosis population while living in Sydney, Australia. This made for a seamless transition when she began working with the Austin Cystic Fibrosis team in 2007.
As a clinic RRT and RPFT, Laura performs pulmonary function testing on patients as young as three years old helping them to learn and improve those skills into their adult years.
Laura was born and raised in the Houston area but considers Austin and the surrounding areas home since 2005. She is married with one son. She loves spending time with her family swimming, exercising, and traveling.

Adrienne Herring, PT, CWS
Pediatric Physical Therapist

Adrienne earned a Masters in Physical Therapy from Univ. of Texas Medical Branch and obtained a “post-professional” certificate in IMPRINTS (Improved Training of Physical Therapists in Early Intervention Settings). She started her career at Brackenridge Hospital and Children’s Hospital of Austin in 2005.
Adrienne is passionate about providing Physical Therapy in the acute hospital setting. Focus on the evaluation/treatment of children with medically complex conditions. She has always been an active participant in care of patients with Cystic Fibrosis in the inpatient setting at Dell Children’s Medical Center. Adrienne participated in the CF Foundation Apprentice Program in 2014. She had the opportunity to become a involved member in the outpatient multidisciplinary pediatric CF clinics in 2017 with goals to establish rapport with patients/ families, educate on importance of safe exercise as part of their lifestyle, and aide in improving/ maintaining pulmonary function and decrease or prevent musculoskeletal pain and deficits.
Growing up as a competitive athlete, Adrienne was initially drawn to physical therapy with an interest in sports medicine. My love for children and passion for children with special needs led me to pediatric physical therapy. Pediatric physical therapy is challenging and fulfilling, as you are able to use and implement treatments with a creative approach to assist with teaching a new skill to a child or means to maximize their function/mobility to reach their greatest potential. Children are resilient even when faced with the most detrimental circumstances.


Jennifer Walzel, PT, DPT
Physical Therapist

Jennifer (Jenny) Walzel graduated with a Bachelor’s of Science in Exercise Science from the University of Mississippi. She went on to earn her Doctorate of Physical Therapy from Texas Woman’s University in Dallas, TX.
Jenny has had the opportunity to work with patients in the Cystic Fibrosis clinic as a student in 2018, and is excited to be joining the team again as a therapist. Jenny has had experience working with Cystic Fibrosis in the acute care setting at Dell Children’s prior to joining the outpatient Cystic Fibrosis team in 2021. Jenny works as an outpatient therapist for Dell Children’s in Cedar Park, working with children of all ages and diagnoses. Jenny will be attending the NACFC in the Fall in order to continue her education and experience with the Cystic Fibrosis population.
Jenny was born and raised in Round Rock, TX. She enjoys yoga, spending time on the lake, and walking the hike and bike trail.


Laura Cortes, RD, LD
Clinical Dietitian

Laura graduated with a Bachelor’s degree in Nutrition and Dietetics from The University of Texas at Austin and completed her Dietetic Internship at Keene State College in New Hampshire.
Prior to working with the CF population, she worked as a Clinical Dietitian for the Seton Hospital System and for the Williamson County and Cities Health District. She immediately gravitated towards pediatric nutrition and enjoys collaborating with patients and families to improve nutrition status and quality of life.
As the Pediatric Cystic Fibrosis dietitian, Laura partners with patients and families to develop goals focusing on nutrition intake, appropriate weight gain, growth, enzyme therapy, vitamin therapy, nutrition supplementation, and gastrointestinal health.
When not reviewing vitamin labs, Laura enjoys cooking, being outside, traveling, live music, and spending time with her family (and pups, of course).


Sarah Schoffstall, PhD, NCSP
Pediatric Psychologist

Dr. Schoffstall received her doctoral degree in School Psychology from The University of Texas at Austin in and completed her internship in child/adolescent psychology at The Institute of Living at Hartford Hospital/Connecticut Children’s Medical Center in 2017. She completed her post-doctoral fellowship in psychology at Boston Children’s Hospital in 2018.
Dr. Schoffstall strives to deliver evidence-based therapies to address the social, emotional, and mental health needs of her patients, many of whom are highly medically complex. Dr. Schoffstall supports patients who are experiencing anxiety, depression, and other conditions which may be related to a chronic medical diagnosis. Given this passion, she joined the cystic fibrosis team in 2020.
Dr. Schoffstall thrives when building trusting, supportive, and patient-centered relationships with all the children and adolescents she serves. She also prioritizes cultural responsiveness and family-oriented approaches as central part of her practice.
Dr. Schoffstall enjoys cuddling with her 5-year old dog whom she adopted from Austin Pets Alive, exploring new places, and taking care of her plants.

Donnie Jones, LMSW
Medical Social Worker, Mental Health Coordinator

Donnie obtained her Master’s degree in Social Work from The University of Texas at Austin. Over the past twenty years she has worked as a social worker in various settings including inpatient and outpatient facilities for mental health/ substance abuse treatment, the juvenile court system, foster/kinship care, school settings and medical case management before joining the Pediatric CF team in 2021.
As the pediatric CF social worker and mental health coordinator, Donnie assesses the needs of patients and caregivers’ by providing resources for school, work, financial, insurance/benefits, and emotional wellness. She can assist with counseling referrals that best fit each family’s needs. Donnie partners with the CF psychologist and Child Life Specialist to provide services that promote/enhance the emotional well-being of the patients/families we serve.
Donnie enjoys spending time with her family, friends and loves reading, taking day trips, and journaling.



Faith Dziura, BS, CCLS
Certified Child Life Specialist

Faith Graduated from The Pennsylvania State University in 2017 with a degree in Human Development and Family Studies. She began her career at The Children’s Hospital of Philadelphia in 2018 and in 2021 moved to Austin to work at Dell Children’s within the Cystic Fibrosis clinic.
Faith’s role is to help your child cope with their diagnosis, procedures, and hospitalization through education and play. If your child and their siblings have questions surrounding Cystic Fibrosis, don’t hesitate to ask Faith for support!
When not at work, Faith loves to spend time with her dog Duncan, reading books and catching up on Netflix! Every Sunday during football season you’ll find Faith in Kelly Green cheering on the Philadelphia Eagles, Go Birds!



Katie Tran, PharmD
Clinical Pharmacist

Katie received her Bachelor’s degree from North Carolina State University and went on to complete her Doctorate of Pharmacy at the University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences. She completed her PGY1 Pharmacy Residency at Texas Children’s Hospital in Houston, Texas. During her pharmacy residency, she had the opportunity to work in the Cystic Fibrosis clinic and this is where she developed a passion for working with the CF population.
She joined the Dell Children’s Medical Center Pediatric CF Program in 2017 as a result of a grant provided by the Cystic Fibrosis Foundation. As a clinical pharmacist, Katie provides guidance and education on medication management including medication administration, side effect management, drug-drug interactions, therapeutic drug monitoring, and antimicrobial stewardship. She has a passion for connecting with patients and their families to increase medication awareness and compliance.
When she is not working, Katie enjoys hiking, bike rides, live music, snuggling with her tuxedo cat Sherlock, and exploring the world through food and travel with her friends and family.


Kelly Moyer, MS CGC
Certified Genetic Counselor

Kelly completed her Bachelor of Science, Master’s in Medical Genetics from University of Wisconsin-Madison.
Kelly sees patients and clarifies genetic test results for Austin’s wonderful CF Center. She feels privileged to work with Austin-area CF patients, and learns a lot from them. She focuses on providing the most up-to-date information regarding genetic test results and options for further testing to allow for the most appropriate clinical care, and is excited that genetic research has allowed for significant advances in treatment over the last few years. She provides direct patient counseling regarding testing, recurrence risks, and psychosocial support for patients and families when coping with this complex diagnosis. She also incorporates updated information
about the genetics of CF in teaching other providers, residents/fellows, genetic counseling and medical students.
Kelly is a 10-year survivor of breast cancer. In 2019, Kelly rowed on the green Chicago river on St. Patrick’s Day with my breast cancer survivor rowing team-Recovery on Water. That same year, Kelly moved from Chicago to Austin when she became an empty-nester. She joined the Central Texas CF Center and loves Austin.


Brittany Outterson, BHA
Department Assistant, SCC Pulmonary Programs

Brittany graduated from Kaplan University in 2014 with a Bachelor of Science in Health Administration. After graduation, Brittany worked as an Office Coordinator for Texas Diabetes and Endocrinology.
After she wanted to expand her knowledge in the healthcare industry, she joined The Central Texas CF Center in 2015. Brittany acts as a liaison between patients and families and supports the Pediatric and Adult teams with various types of scheduling tasks, insurance verification, obtaining prior authorizations so the appointments go smoothly, helps navigate calls to ensure a patient is properly taken care of, and assists in requesting medical records from other facilities.
In her free time, Brittany enjoys going to the beach, being outside, traveling and spending time with her husband and daughter.


Aileen L. Bolliger, MSN, RN, NPD-BC
Clinical Program Manager, Marnie Paul Specialty Care Center

Aileen graduated with her Bachelor’s of Science in Nursing degree from the University of Texas in Austin in 1996 and later received her Master’s of Science in Nursing Administration & Leadership degree from the University of Texas in Arlington in 2013.  Aileen has worked for Dell Children’s/Children’s Hospital of Austin starting in 1995. 
During her over 25 years of healthcare experience, her roles have included RN in post surgical and Intermediate Care units, clinical education, and management.  Most recently, Aileen has returned to the Specialty Care Center in August 2020 as the clinical manager for over 20 specialty clinics including management of 30+ staff. She has presented at the North American CF Conference and the Children’s Hospital Association of Texas Conference.  She is certified as a Nursing Professional Development specialist through the ANCC (American Nursing Credentialing Center) and is a member of the American Nurses Association (ANA).
Aileen enjoys reading, watching TV & movies, spending time with her 2 daughters  & friends.  She has 2 crazy dogs – Corey & Freddie and 1 bunny – Angel.

Logan E. Jenkins, MBA, CPA
Director of Ambulatory Services/Orthopedic Service Line

Logan graduated with a Bachelor of Arts in American Studies from the University of Texas at Austin and later obtained a MBA from the University of Texas at San Antonio.
Logan has 20 years of experience in the healthcare industry in a variety of roles including application management, finance/accounting, project management, and operations management. He currently oversees 50+ staff, 8 cost centers, and a 7.5 million dollar expense budget in his role at Dell Children’s. He is also a Certified Public Accountant and has a small tax practice and helped co-found a real estate acquisition and development company in 2007.
Outside of work, Logan enjoys traveling with his wife, sports, hiking, hunting, playing bridge, and working on the family cattle ranch.