Our Team

Our Plastics Surgery Team is passionate about providing our patients the highest quality care for function, quality of life, and long term outcomes. All of our surgeons are fellowship trained and utilize a multidisciplinary team approach to treat the unique challenges presented by certain conditions that require plastic surgery.

Chief, Plastic Surgery

Edward P. Buchanan, MD, FACS, FAAP

Dr. Buchanan is an associate professor of surgery in the plastic surgery division of the Michael E. DeBakey Department of Surgery at Baylor College of Medicine. He specializes in pediatric plastic surgery and craniofacial surgery. Dr. Buchanan earned his medical degree from Medical University of... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Plastic and Reconstructive Surgeons

Larry H. Hollier Jr., MD

Dr. Larry H. Hollier, Jr. is a board-certified plastic surgeon who specializes in plastic and reconstructive surgery, including cleft surgery, craniofacial surgery, and pediatric hand surgery. Since 1996, Dr. Hollier has participated in numerous surgical capacity building trips to Haiti, Africa... Read more

Address: 6621 Fannin Street WT3-B322 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Edward P. Buchanan, MD, FACS, FAAP

Robert F. Dempsey, MD, FACS, FAAP

Dr. Dempsey considers it a privilege to practice at Texas Children's Hospital, where he trained, as part of the multidisciplinary cleft and craniofacial surgical teams. He is board certified with the American Board of Plastic Surgery. Our talented team members allow us to provide not only... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US , Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas US
Phone: 832-822-3180

Sarah Frommer, MD

My goal is to treat my patients and their families like how I would want a loved one treated. I am very focused on good communication and educating patients and their families about the disease process and surgery. I am board certified with the American Board of Plastic Surgery. I also like... Read more

Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas US , Address: Texas Children's Specialty Care Austin N. MoPac Expressway, Suite 300 Austin, TX 78759 United States See map: Google Maps Texas US
Phone: 737-220-8200 (Austin) | 832-822-3180 (West)

John C. Koshy, MD

As a father to two children, I strive to provide high quality care and empathy to patients. It was not too long ago that my own child was sick and required an extended stay at Texas Children’s Hospital. Since then, I have always wanted to be the type of physician that parents could put their trust... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US , Address: 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas US
Phone: 832-822-3180

Renata Souza Maricevich, MD

Renata Maricevich, M.D. was born and raised in Recife, Brazil, where she received her Medical Degree from the Universidade Federal de Pernambuco. She moved to the United States to pursue training and completed General Surgery and Plastic Surgery residencies at the Mayo Clinic in Rochester, MN,... Read more

Address: Texas Children's Hospital - Main Campus 6701 Fannin Street, 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Laura A. Monson, MD

Dr. Monson completed her residency in Plastic & Reconstructive Surgery at the University of Michigan in Ann Arbor, Michigan and her fellowship training at Children's Hospital of Pittsburgh. There she received further dedicated training in pediatric plastic and craniofacial surgery, including... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Shola Olorunnipa, MD

Dr. Olorunnipa received his undergraduate degree at Harvard University before obtaining his medical degree at Stanford University School of Medicine. He then entered the combined Plastic Surgery Residency at New York Presbyterian/Columbia and New York Presbyterian/ Weill Cornell Medical Centers in... Read more

Address: Texas Children's Hospital - The Woodlands 17580 I-45 South, 3rd Floor, Orange Pod The Woodlands, TX 77384 United States See map: Google Maps Texas US
Phone: 936-267-7100

William "Chris" Pederson, MD, FACS

Dr. Pederson received his medical degree from Southwestern Medical School in Dallas, Texas. He completed his general surgery residency at the University of Texas Health Science Center at San Antonio, and his Plastic Surgery residency at Duke University Medical Center in Durham, North Carolina. He... Read more

Address: Texas Children's Hospital - Main Campus 6701 Fannin Street, 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US , Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Edward Reece, MD, EMBA

Combining technology and technique, Dr. Reece strives to elevate compassionate care with cutting-edge medical breakthroughs. He offers advanced hand and reconstructive surgery options to children with injuries and congenital diseases, focusing on nerve surgery, free-tissue transfer and... Read more

Address: Texas Children's Hospital - Main Campus 6701 Fannin Street, 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US , Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas US , Address: Texas Children's Specialty Care - Bellaire 6330 West Loop South, Suite 300 Bellaire, TX 77401 United States See map: Google Maps Texas US
Phone: 832-822-3180

Amy S. Xue, MD

Every child is unique, and deserves individualized care in a collaborative and multidisciplinary environment. I am committed to working closely with families to achieve our mission of offering patient-centered care of the highest quality. It is a true honor to contribute to the medical need of... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Craniofacial Orthodontists

Anika Rodgers, DDS, PhD

Dr. Anika Rodgers, D.D.S., Ph.D., is a part-time craniofacial orthodontist on the cleft and craniofacial team at Texas Children's Hospital. Dr. Rodgers received her orthodontic training at the University of Texas Health Science Center at Houston, her craniofacial orthodontic training at Texas... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3920

John O. Wirthlin, DDS, MSD

Dr. John Wirthlin, DDS, MSD, is the full time craniofacial orthodontist on the cleft and craniofacial team at Texas Children's Hospital. Dr. Wirthlin received his orthodontic training at the University of Texas Health Science Center at Houston and his craniofacial orthodontic training at New York... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3920

Oral Surgeon

David M. Alfi, DDS, MD

Following my training, the philosophy I’ve adopted as a physician is to ensure each patient feels they are the only patient I have that day. The ability to provide care to the most challenging cases is why I chose to practice in an academic healthcare center. Clinical Interests: Dental Implants... Read more

Address: 6701 Fannin Street 5th Floor Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3200

Physician Assistants

Lesley A. Davies, PA-C

Lesley W. Davies, MPAS, PA-C is a physician assistant in Department of Pediatric Plastic and Reconstructive Surgery at Texas Children’s Hospital. She is one of several Advanced Practice Providers helping to meet the demands of a high-volume service and her responsibilities include seeing patients... Read more

Address: 6701 Fannin Street Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180 (Main) | 832-822-3180 (Direct Line)

Diana E. Guillen, PA-C

Diana E. Guillen, MPAS, PA-C, is a physician assistant in the Department of Pediatric Plastic and Reconstructive Surgery at Texas Children’s Hospital. She began her surgical career in 2008 and was previously trained with Plastic Surgeons at the Institute of Reconstructive Plastic Surgery at the... Read more

Address: 6701 Fannin Street Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Ryan K. Krasnosky, MPAS, PA-C, DrPH

Ryan is the director of Advanced Practice Providers in the Department of Surgery and program director of the Texas Children’s Hospital Pediatric Surgery Physician Assistant Fellowship program – the first program of its kind in the country. Ryan graduated from the University of South Alabama in... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3135

Kristina P. Marsack, MS, PA-C

Kris Marsack, MS, PA-C began her surgical career as a Plastic Surgery PA in 2005 with Baylor College of Medicine at Ben Taub General Hospital in Houston, TX with a focus on trauma and cancer reconstruction. She transitioned to the Pediatric Plastic Surgery team at Texas Children's Hospital (TCH)... Read more

Address: 6621 Fannin Street WT3-B322 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Mervin (Reggie) Nunez, PA-C

Mervin (Reggie) Nunez, MMS, PA-C is a physician assistant in Department of Pediatric Plastic Surgery at Texas Children’s Hospital. He began his career in 2006 in Critical Care working in the pediatric ICU at TCH. He joined the Pediatric Plastic Surgery team in 2013 where his responsibilities... Read more

Address: Texas Children's Hospital 6701 Fannin Street, Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US , Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas US , Address: Texas Children's Specialty Care Bellaire 6330 West Loop South, Suite 300 Bellaire, TX 77401 United States See map: Google Maps Texas US
Phone: 832-822-3180

Michelle G. Roy, MPAP, PA-C

Michelle G. Roy, MPAP, PA-C is a physician assistant in Department of Pediatric Plastic and Reconstructive Surgery at Texas Children’s Hospital. She is one of several Advanced Practice Providers helping to meet the demands of a high-volume service and her responsibilities include seeing patients... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Jeromie Sequitin, PA-C

Jeromie Sequitin is a Physician Assistant in the Department of Pediatric Plastic Surgery at Texas Children’s Hospital. He began his career in 2016 here at Texas Children’s Hospital after attending the University of St. Francis Physician Assistant Program in Albuquerque, New Mexico. He is one of... Read more

Address: Texas Children's Hospital - Main Campus 6701 Fannin Street Houston, TX 77030 United States See map: Google Maps Texas US , Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas US
Phone: 832-822-3180

Jessica Tung, PA-C

Jessica S. Tung, JD, MMS, PA-C is a physician assistant in Department of Pediatric Plastic and Reconstructive Surgery at Texas Children’s Hospital in the Woodlands. She is one of several Advanced Practice Providers helping to meet the demands of a high-volume service and her responsibilities... Read more

Address: Texas Children's Hospital - The Woodlands 17580 I-45 South, Outpatient Building 3rd floor The Woodlands, TX 77384 United States See map: Google Maps Texas US , Address: Texas Children's Hospital - Main Campus 6701 Fannin Street, Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 936-267-7100 (Woodlands) | 832-822-3180 (Main)

Lindsey White, PA-C

Lindsey E. White, MPAS, PA-C is a physician assistant in Department of Pediatric Plastic and Reconstructive Surgery at Texas Children’s Hospital. She is one of several Advanced Practice Providers helping to meet the demands of a high-volume service and her responsibilities include seeing patients... Read more

Address: Texas Children's Hospital - Main Campus 6701 Fannin Street, Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Nurse Coordinators

Darla Espinoza, RN, MSN

My philosophy of care is to stay true. Staying true to my values and ethics, staying true to the patients and families and staying true to my co-workers. Part of staying true means that it is important to see the patient as a whole being and to provide competent, empathetic and compassionate care... Read more

Address: 6701 Fannin Street Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3800 | 832-822-2011

Stephanie Yaus, RN, BSN

I find that being compassionate, trustworthy and having accountability is what makes a great nurse, I strive every day to deliver the best care possible to my patients, I want them to know that they have someone that they can trust, that will be their advocate and someone they can depend on in... Read more

Address: 6701 Fannin Street 8th Floor, Wallace Tower Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3180

Nurse Practitioner

Athena D. Krasnosky MSN, APRN, CPNP

Athena D. Krasnosky MSN, ARNP, CPNP is a Pediatric Nurse Practitioner in the Department of Plastic Surgery at Texas Children’s Hospital. She is the Primary Care Provider for the Cleft and Craniofacial Multidisciplinary Team. She has a special interest in the growth and development of her... Read more

Address: 6701 Fannin Street Suite 610 Houston, TX 77030 United States See map: Google Maps Texas US
Phone: 832-822-3566

Practice Administrator

Mary Kana, MBA

Clinic Coordinator

Stephanie Yaus, RN, BSN