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

Mrs. Mary Della Trossbach, BA

Individual provider Mental Health Counselor · NPI 1043357106

Mrs. Mary Della Trossbach, BA is a Mental Health Counselor in Leonardtown, Maryland. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
BA — Bachelor of Arts
An undergraduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

23265 Hollywood Rd
Leonardtown, MD 20650-5804
Phone: (301) 475-2143
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1043357106
Entity typeIndividual (Type 1)
GenderFemale
Credentials BA
Sole proprietorNo
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Leonardtown