Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Joanne W Thornton, MA, MS, MBA

Individual provider Professional Counselor · NPI 1235530965

Mrs. Joanne W Thornton, MA, MS, MBA is a Professional Counselor in Ashburn, Virginia. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2014
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
MS — Master of Science
A graduate science degree.
MBA — Master of Business Administration
A graduate business degree.

See every abbreviation used in this directory →

Practice location Address checks out

42654 Frontier Dr
Ashburn, VA 20148-7207
Phone: (703) 489-7876
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence LC5903 (MD)

Record details

NPI number1235530965
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , MS , MBA
Sole proprietorYes
NPI enumeratedSeptember 12, 2014
Last updated in NPPESSeptember 12, 2014

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