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

David Martin Derengowski

Individual provider Mental Health Counselor · NPI 1699545004

David Martin Derengowski is a Mental Health Counselor in Merrillville, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2024

Practice location Address checks out

8200 Georgia St
Merrillville, IN 46410-6227
Phone: (219) 791-1400
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 88001658A (IN)

Record details

NPI number1699545004
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 5, 2024
Last updated in NPPESJanuary 5, 2024
Certification dateJanuary 5, 2024
Mailing address8200 Georgia St, Merrillville, IN 46410-6227

Other providers in Merrillville