top of page
Diane Lewis Speech Therapy
Pediatric Speech-Language
Evaluation, Therapy, & Workshops

Diane Lewis, MA, CCC-SLP offers nearly 50 years of experience providing speech-language evaluations, therapy, and a wide variety of consultative services to families and schools throughout the Washington, DC area, around the United States, and overseas. 


Diane is licensed in Speech-Language Pathology in the state of Maryland. She also holds the Certificate of Clinical Competence issued by the American Speech-Language and Hearing Association.

Aside from more traditional speech-language therapy, Diane specializes in:

  • Development of Functional Speech in Non-Verbal clients

  • Combination of Speech-Language Therapy with Floortime (ABLC)

  • Feeding Therapy

  • Augmentative  and Alternative Communication

  • Oral-Motor Therapies for dyspraxia and dysarthria

  • The PROMPT Method

  • Auditory processing and phonological disorders

  • Therapeutic Yoga

Affect-Based Language Curriculum

The Affect-Based Language Curriculum (ABLC), Second Edition, may be purchased on AmazonThere is also a six-hour, pre-recorded course presented by Diane Lewis, MA, CCC-SLP for purchase.


Diane co-authored the ABLC with Stanley I. Greenspan, MD. The ABLC combines DIR/Floor Time with developmentally based Speech-Language Therapy. There are three Appendices-Sensory Integration, Oral-Motor and AAC. This course (recorded on March 20, 2021) utilizes Power Point slides and videos to teach the theoretical foundations and step-wise implementation for the curriculum.

Upcoming Courses:

Stay tuned for more upcoming courses.

Diane Lewis Speech Therapy


5109 Battery Lane

Bethesda, MD 20814

Tel: 301-652-2220

  • 5109 Battery Lane is on the corner of Battery Ln, Goddard Rd, and Park Ln. 

  • Parking is on a shared driveway between 5202 Goddard Road & 5109 Battery Lane.

  • When heading south on Old Georgetown Road, turn right onto Battery Lane and right again on Goddard Road.  

  • Make an immediate left onto the shared driveway.

  • Park behind the white SUV on the left side of the driveway.

  • Go to the house on the left and knock on the pink raspberry office door. 

Diane Lewis, MA, CCC-SLP, LLC is housed in the lower level of her residence adjacent to the business district in Bethesda, MD. The space provides the children with a range of sensory experiences from sitting on inflated balls, spinning, to swinging. The space includes a large mirror with all the equipment needed for a full regime of oral-motor activities to support the development of intelligible speech. It also supports semi-structured work at either the table or on the floor (ABLC).

Diane has access to the iPad, Go-Talk and laptop. She uses visuals generated on Boardmaker as well as photo images to support the back-and-forth flow of communication.

Thanks for submitting!

bottom of page