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

Marc Billy Stephen

Individual provider Behavior Analyst · NPI 1376135640

Marc Billy Stephen is a Behavior Analyst in Port Saint Lucie, Florida. Practices as a sole proprietor and works from 3 locations. Licensed in Florida.

Licensed in
FL
In the registry since
2021
Specialties on file
2

Practice location Address checks out

1401 SE Goldtree Dr
Port Saint Lucie, FL 34952-7584
Phone: (772) 212-7539
Show map & directions

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

Additional practice locations (2)

  • 13976 23rd Ct N, Loxahatchee, FL 33470-4719 — (305) 758-4485
  • 4203 Sw High Meadows Ave, Palm City, FL 34990-3726 — (772) 222-5560

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-26-87080 (FL)
Behavior Technician Taxonomy 106S00000X

Record details

NPI number1376135640
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 8, 2021
Last updated in NPPESJanuary 19, 2026
Certification dateJanuary 19, 2026
Mailing address1665 Sw Janette Ave, Port Saint Lucie, FL 34953-1116

Other providers in Port Saint Lucie