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

William P Janssens, LCSW

Individual provider Mental Health Counselor · NPI 1700933942

William P Janssens, LCSW is a Mental Health Counselor in Tulsa, Oklahoma. Practices as a sole proprietor. Licensed in Oklahoma.

Licensed in
OK
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

2646 E 33rd Pl
Tulsa, OK 74105-2338
Phone: (918) 743-6707
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 2716 (OK)

Record details

NPI number1700933942
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Tulsa