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

John Michael Stempien

Individual provider Behavior Analyst · NPI 1073969747

John Michael Stempien is a Behavior Analyst in Tarzana, California. Practices as a sole proprietor and works from 2 locations. Registered with an NPI since 2016.

In the registry since
2016
Specialties on file
2

Practice location Address checks out

18646 Oxnard St
Tarzana, CA 91356-1411
Phone: (818) 654-3908
Show map & directions

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

Additional practice locations (1)

  • 220 Twin Dolphin Dr Ste D, Redwood City, CA 94065-1488 — (650) 622-9601

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Behavior Analyst Taxonomy 103K00000X

Record details

NPI number1073969747
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 11, 2016
Last updated in NPPESMay 7, 2019
Mailing address291 Hiram Ave, Newbury Park, CA 91320-3217

Other providers in Tarzana