Department overview
Speech Language Pathologists
The team works with patients of all ages across speech, language, cognition, voice, feeding, swallowing, AAC, pragmatic communication, and related needs. These profiles are written for families who want to know the people behind the care.

Melisa Lummus
M.S., CCC-SLP · Clinic Manager24+ years of speech therapy experience · 16+ years dedicated to HLA
Clinic ManagerPediatric feedingBeckman Oral MotorVitalStim provider
Melisa is a Speech Language Pathologist with a Certificate of Clinical Competence in Speech Language Pathology issued by the American Speech-Language-Hearing Association (ASHA). She graduated with both her Bachelor’s Degree and Master’s Degree from SFA.
Melisa began at HLA as a part-time SLP-A while enrolled in school, continued part time while completing her clinical fellowship, and moved full time after finishing her SLP-CCC certification. In 2012, she became the clinic manager.
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Melisa has more than 24 years of speech therapy experience in hospital care, schools, home health, and outpatient care. She has worked with a wide array of patients, ages, and disorders, and especially enjoys pediatric feeding. She has extensive expertise with feeding and uses Beckman Oral Motor Interventions. She is also a certified VitalStim provider.
In her free time, Melisa enjoys reading, camping, and vacations with her family. Melisa has four grown children and two sweet grandchildren.

Andrea Curbow
M.S., CCC-SLPAdults and children · Aphasia, dysphagia, speech and language
Long-term careOutpatient/inpatient rehabHospital care
Andrea is a Speech Language Pathologist with a Certificate of Clinical Competence in Speech Language Pathology issued by ASHA. She graduated with both her Bachelor’s Degree and Master’s Degree from SFA.
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Andrea has dedicated more than nine years of service at HLA, beginning in 2008. She left in 2012 to pursue work in long-term care facilities before returning in 2019. She has worked in long-term care, outpatient and inpatient rehabilitation, and hospital care.
Andrea loves working with adults, children of all ages, and their families. She has extensive experience with aphasia, dysphagia, and speech and language disorders. In her free time, Andrea’s husband and four children keep her busy. She loves being outdoors, fishing, hunting, and camping with her family.

Caylee Moore
M.S., CCC-SLPPediatrics · Language disorders · Genetic disorders
Pediatric outpatientAdult rehabAcute care
Caylee is a Speech Language Pathologist with a Certificate of Clinical Competence in Speech Language Pathology issued by ASHA. She has dedicated almost nine years of service to HLA, beginning in September 2016.
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Caylee graduated from Panola College with her Associate Degree in 2008. She attended Stephen F. Austin and received her Bachelor’s Degree in 2010 and her Master’s Degree in 2012. Before arriving at HLA, she worked in adult rehabilitation, acute care, and pediatric outpatient settings.
Caylee especially enjoys working with pediatrics and new, outside-the-box cases. She has extensive expertise in the treatment of language disorders and genetic disorders such as Down syndrome, Fragile X, and Fetal Alcohol Syndrome.
In her free time, Caylee enjoys spending time with her family and two dogs. She loves to read, considers herself a foodie, enjoys traveling to new places, and considers Disney World the happiest place on earth.

Helen Cramm
M.S., CCC-SLPPragmatic language · Autism · ADHD · TBI history
PROMPT certifiedSpeech-generating devicesOutpatient care
Helen is a Speech Language Pathologist with a Certificate of Clinical Competence in Speech Language Pathology issued by ASHA. She has dedicated four years of service at HLA, beginning in August 2021.
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Helen graduated from Baylor University with her Bachelor’s Degree in 2017 and continued at Baylor to earn her Master’s Degree in 2019. She has worked in outpatient care since graduating and has experience with a wide array of patients, ages, and disorders.
Helen especially enjoys working with pragmatic language in patients of all ages with Autism, ADHD, and history of TBIs. She is PROMPT certified and has extensive experience in the treatment and evaluation of patients in need of speech-generating devices.
In her free time, Helen enjoys spending time with her family and her dog. She loves trying new skills or crafts and is often imagining creative projects and endeavors.

Kalisha Wade
M.S., CCC-SLPChildren · Autism · Learning disabilities · CP · TBI
ASHA memberTSHA memberCommunication access
Kalisha is a Speech Language Pathologist with a Certificate of Clinical Competence in Speech Language Pathology issued by ASHA. She graduated from SFA with her Bachelor’s Degree in Communication Disorders in 2006 and her Master’s Degree in 2008.
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Before beginning at HLA in 2011, Kalisha worked in Bryan ISD. She dedicated almost nine years of service to HLA until July 2020, when she left to work in NISD. She returned to HLA in August 2022.
Kalisha is a member of the Texas Speech-Language-Hearing Association (TSHA) and ASHA. In 2018/2019, she was selected as the Top SLP in Nacogdoches, Texas by the International Association of Healthcare Professionals. Her biography has been spotlighted in Worldwide Leaders in Healthcare, which recognizes healthcare providers of excellence.
Kalisha has extensive experience working with children diagnosed with Autism, learning disabilities, Cerebral Palsy, and Traumatic Brain Injuries. Her goal is “that by the completion of therapeutic intervention, every child/client leaves with a ‘voice’ allowing them to effectively communicate with their families and in society.”
In her free time, Kalisha loves spending quality time and traveling with her husband Brandon and her two children. Kalisha loves spending time worshipping God and is empowered by Him to help individuals with minimal speech capabilities.

Mary Crocker
M.S., CCC-SLPVoice care · LSVT LOUD® Certified Clinician
Voice disordersParkinson disease supportCommunity education
Mary joined Hettie Legg & Associates in June 2013. She is a licensed Speech-Language Pathologist with a Certificate of Clinical Competence from ASHA and is a Lee Silverman Voice Treatment LOUD (LSVT LOUD®) Certified Clinician.
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LSVT LOUD® is an effective speech treatment for individuals with Parkinson disease and other neurological diseases. Mary holds a Master of Science degree in Speech-Language Pathology from Stephen F. Austin State University and a Bachelor of Music Performance degree in Voice from the University of North Texas.
As a classically trained soprano, Mary has a passion for the care and treatment of the human voice. She works with young and elderly patients, using traditional and advanced techniques to help each person.
Mary presented her graduate research study, “Impact of Cheerleading on Acoustic Measure of Vocal Function: A Cross-Sectional Study,” with Dr. Christine Bergan at the Annual Voice Foundation Symposium in Philadelphia, Pennsylvania in 2012. Mary speaks to community groups about voice disorders and treatment techniques.
Mary is a member of ASHA, TSHA, the ASHA SIG-03 Voice and Upper Airway Disorders Special Interest Group, and the Kappa Delta Pi educational honor society. She is also a Gold Award recipient and lifetime member of the Girl Scouts of the United States of America.

Morgan Richard
M.S., CCC-SLPArticulation · Early language · Adult and pediatric care
SFA graduatePediatricsEarly language
Morgan graduated from SFA with her Bachelor’s Degree in May 2023 and continued in the SFA graduate program. In January 2025, Morgan was placed at HLA as a student to gain clinical hours, beginning her time with the clinic.
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After graduating from SFA with her Master’s Degree in May 2025, Morgan returned to HLA in June 2025. She worked hard to complete her clinical fellowship as a Speech Language Pathology Intern and has officially finished.
Morgan now holds a Certificate of Clinical Competence in Speech Language Pathology and is a full-fledged SLP. Morgan has worked with adults and pediatric patients with a variety of disorders and deficits. She especially enjoys working with pediatric patients to address articulation and early language skills.

Abigail Delgado
SLP-AssistantBilingual Spanish/English support · Language and articulation
BilingualSpanish/EnglishLanguage disordersArticulation
Abi is a Speech Language Pathology Assistant. She began her journey at HLA in 2010 as a transporter/translator while attending SFA.
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Abi obtained her Bachelor’s Degree in Communication Disorders in 2016. She has extensive experience working as a bilingual Spanish/English SLP-A and treats a variety of patients with language and articulation disorders.
Abi has three children and enjoys spending time with her family. She loves being a soccer and cheer mom.

Jasmine Ayala
SLP-AssistantBilingual English/Spanish · Language and articulation
BilingualEnglish/SpanishLanguage disordersArticulation
Jasmine is a Speech Language Pathology Assistant. She began her journey at HLA in October 2023 after graduating from SFA with her Bachelor’s Degree in May 2023.
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Jasmine is a bilingual English/Spanish SLP-A who especially loves working with language disorders and articulation disorders. In her free time, Jasmine loves spending time with her family and friends. She enjoys crafting and baking.

Jordan Vardeman
SLP-AssistantPediatrics · Graduate student at SFA
PediatricsTexas A&MSFA graduate program
Jordan is a Speech Language Pathology Assistant. She began her journey at HLA in February 2025 and especially loves working with pediatrics.
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Jordan attended Texas A&M University and graduated in May 2023 with a Bachelor’s Degree in Public Health. She then attended SFA’s leveling program to obtain her Bachelor’s Degree in Speech Language Pathology in December 2024. In July 2025, she began attending the SFA graduate program to obtain her Master’s Degree in Speech Language Pathology.
In her free time, Jordan loves spending time with family and friends. She enjoys traveling and walking her dog.