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

Mark Steven Rossella

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1790257087

Mark Steven Rossella is an Addiction (Substance Use Disorder) Counselor in Chatsworth, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
Specialties on file
2

Practice location Address checks out

20809 Bermuda St
Chatsworth, CA 91311-1504
Phone: (818) 384-6221
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 152011 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1790257087
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedDecember 26, 2018
Last updated in NPPESJanuary 31, 2025
Certification dateJanuary 31, 2025
Mailing address20809 Bermuda St, Chatsworth, CA 91311-1504

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