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Meet Christina

ASHA Certified Speech and Language Pathologist


Christina Walker was born and raised in Texas where she received her Bachelors of Science in Communication Disorders from Lamar University. She then moved to Washington, DC where she graduated from Howard University with her Masters of Science in Communication Sciences and Disorders for Speech and Language Pathology. She is the owner of Hallmark Therapeutic Services. Presently, Christina is licensed and certified to practice in both the District of Columbia and Maryland.

Since Christina was a little girl, she had a strong desire to work with both the pediatric and special needs population. Empathy, compassion, dedication, integrity and patience are just a few qualities she uses to describe her character as a pediatric speech and language pathologist. As a life long learner, she enjoys being presented with challenges that allow her to further expand both her clinical and diagnostic skills. Christina has the sincere passion and dedication to help children and their families obtain the confidence they never knew existed. As a  speech-language pathologist, she enjoys not only fulfilling her passion of helping others experience a better life, but by improving someone else's quality of life, she is able to enrich her own. She is a  board member of a nonprofit organization that travels across the world to address the needs of underserved communities called Travel and Give. With the organization, she frequently travels to Haiti and Kenya throughout the year.


  • Clinical supervisor for graduate students, clinical fellows (CF), and speech pathology assistants 

  • Works with children from birth to 18 years of age with the following: Autism Spectrum Disorder, emotional disabilities, expressive/receptive language delays, English Language Leaners (ELL), fluency disorders, transgender identities, learning disabilities, feeding disorders, reading impairments, early intervention (birth to 5), and social communication disorders

  • Trained in the Lindamood Phoneme Sequencing® Program for Reading, Spelling, and Speech (LiPS®) and the Orton –Gillingham dyslexia treatment.


  • The Hanen Centre, It Takes Two to Talk 

  •  Lively Letters: Multi-sensory Approach to Learning

  • TalkTools Feeding Therapy: A Sensory-Motor Approach

  • SOS Approach to Feeding: When Children Won’t Eat: Picky Eaters Versus Problem Feeders

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