Hilary Diefenbach, MA, CCC-SLP
HAD LLC
Speech Language Pathology & Cognitive Rehabilitation for Adults
About HAD LLC
HAD LLC provides specialized speech-language pathology services for adults navigating cognitive and communication disorders, age-related changes, and neurological challenges.
Founded in 2024 by licensed speech-language pathologist Hilary Diefenbach, MA, CCC-SLP, this practice focuses on thoughtful, individualized rehabilitation designed to support meaningful improvements in daily life.
Services are available through secure telehealth consultations nationwide as well as in-person sessions throughout the Denver Metro area.
With over a decade of experience in medical speech-language pathology, Hilary has worked with adults across the full spectrum of recovery and wellness. Her work spans from coma recovery and brain injury rehabilitation to concussion care and cognitive support for chronic conditions such as ADHD.
Every treatment plan is tailored to the individual, combining evidence-based therapy with a supportive, patient-centered approach.
Our Services
Cognitive Rehabilitation
Specialized cognitive rehabilitation services designed to address memory, attention, executive function, and communication challenges resulting from brain injury or neurological conditions. Personalized treatment plans support recovery and functional independence.
Medical Speech Language Pathology
Comprehensive speech language pathology services for adults. Hilary has expertise in swallowing disorders, acquired speech & language disorder (e.g., aphasia), and voice disorders.
Evidence-based treatment supports recovery across the healthcare continuum.
Healthcare Consultation
I provide specialized consultation in neurorehabilitation, brain health, and cognitive-communication recovery, helping individuals and families navigate neurological injury, optimize rehabilitation strategies, and access effective resources for recovery.
Services may include:
• Brain Injury education for community members & professionals
• Consultation to explore additional routes for rehabilitation resources
• Consultation on therapy approaches
• Education for families and caregivers
Start Your Path Toward Stronger Communication and Cognitive Health
Reach out today to schedule a consultation and learn how personalized speech therapy and cognitive rehabilitation can support your recovery and brain health goals.
Email
hilary@hilarydiefenbach.com
Phone
301-233-5119
Hours
Flexible availability seven days a week