Cecilia M Sewell
Behavior Analyst • Vienna, VA
Professional Overview & Biography Verified Profile Summary
Cecilia Sewell is a registered healthcare professional specializing in Behavior Analyst in Vienna, VA. Practice services are available at 8391 OLD COURTHOUSE RD STE 120 under active NPI credentials.
Practice Location & Contact Primary Location
8391 Old Courthouse Rd Ste 120
Vienna, VA 221823819
Specialty Benchmarks & Practice Insights
Comparative analytics for Behavior Analyst in Vienna, VA
Practicing in Vienna, VA (2797 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-16NUCC Taxonomy Code: 103K00000X
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Behavior Analyst
Board Certified Behavior Analyst, Licensed Behavior Analyst
Behavior Analyst
Speech-Language Pathologist
Speech-Language Pathologist
MSCCCSLP
Speech-Language Pathologist
Master of Science, Clinical Fellow in Speech-Language Pathology
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Recorded as CECILIA SEWELL
Registered at 8391 OLD COURTHOUSE RD STE 120, VIENNA, VA 221823819 (Tel: 7034291853)
Registered at 8391 OLD COURTHOUSE RD STE 120, VIENNA, VA 221823819 (Tel: 7034291853)
Behavior Analyst (License #0133003808 in VA)
NPI status registered as active in NPPES database
Registered at 9038 CROSS PARK DR STE 105, KNOXVILLE, TN 379234729 (Tel: 8653946612)
Registered at 9038 CROSS PARK DR STE 105, KNOXVILLE, TN 379234729 (Tel: 8653946612)
Recorded as CECILIA UNDERWOOD
Behavior Technician (License #RBT-21-188557 in TN)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
8391 Old Courthouse Rd Ste 120
Vienna, VA 221823819
Phone: 7034291853
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