About Us

To provide compassionate, evidence-based care for voice, swallowing, and upper airway disorders, enhancing communication and quality of life.

About Us

Coastal Dysphagia Diagnostics & Speech Pathology, PC is a specialized speech pathology practice committed to providing comprehensive and quality care to adolescents and adults with voice, swallowing, and upper airway disorders. Our services are patient-centered, evidence-based, and can be completed in person or via telepractice.

Additional services include our mobile Flexible Endoscopic Evaluation of Swallowing (FEES), which can be provided directly to patients at skilled nursing facilities, hospitals, and physician offices.

Our Values & Beliefs

Compassion Guides Every Action

We prioritize empathy and understanding in every interaction, recognizing the vulnerability of those facing voice, swallowing, and upper airway disorders. Compassion informs our approach, ensuring patients feel valued throughout their journey to improved health.

Expertise Drives Patient Care

Our team is dedicated to maintaining the highest level of expertise in the field of speech pathology, continuously advancing our knowledge and skills. With specialized training and experience, we deliver precise diagnoses and effective treatments tailored to each individual’s needs.

Innovation Enhances Lifelong Health

We are committed to staying at the forefront of advancements in diagnostics and therapies for voice, swallowing, and upper airway disorders. By embracing innovative techniques and technologies, we strive to optimize outcomes, improve quality of life, and promote long-term wellness for our patients.

Our Speech-Language Pathologist

Karie Marsh, MA, CCC-SLP

Founder, Speech-Language Pathologist

Karie is a nationally certified and California-licensed Speech-Language Pathologist with over 12 years of experience working with patients with voice and swallowing disorders in medical settings, including hospitals, acute rehabilitation units, and outpatient settings. She received her Master’s degree in Speech-Language Pathology from San Jose State University and her Certification of Clinical Competence from the American Speech-Language-Hearing Association (ASHA). As a continuous learner with great dedication to her field, Karie is a three-time ASHA ACE award recipient for continuing education.

After working in Arizona for several years, primarily in a Level I trauma hospital, Karie decided to return to her hometown of Ventura, California. Upon returning to Ventura, she identified a significant need for improved access to instrumental swallow evaluations in Ventura and the surrounding areas and services focused on evidence-based practice and quality patient outcomes. To achieve this goal, she founded Coastal Dysphagia Diagnostics & Speech Pathology, PC.

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Doctor of Speech – Language Pathology
Rocky Mountain University of Health Professions, in progress

Master of Arts in Speech – Language Pathology
San Jose State University, 2011

Bachelor of Arts in Communication Disorders and Sciences
California State University, Northridge, 2009

Training and Certifications

✔ Competency in Flexible Endoscopic Evaluation of Swallowing (FEES)
✔ Modified Barium Swallow Impairment Profile Registered Clinician
✔ McNeill Dysphagia Therapy Program
✔ Manual Therapy for Voice and Swallowing
✔ PhoRTE Voice Therapy
✔ Licensed SPEAK OUT!® Provider for Parkinson’s Disease


ASHA Award for Continuing Education (ACE) – 2016, 2019, 2022, 2024
✔ Received for achievement in advanced clinical learning.

Our Affiliations

✔ We hold a Certificate of Clinical Competence through the American Speech-Language-Hearing Association.

✔ We are a member of ASHA’s SIG 3 Voice and Upper Airway Disorders.

✔ We are a member of ASHA’s SIG 13 Swallow and Swallowing Disorders (Dysphagia).

✔ We are a member of the National Foundation of Swallowing Disorders.


Karie is a patient-centered clinician who goes above and beyond for her patients and the community. Her integrity and clinical skills set her above the rest.

DH, Fellow SLP

Excellent speech therapist. Very professional!

NR, Patient

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