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

Mary Katherine Flack

Individual provider Counselor · NPI 1710211966

Mary Katherine Flack is a Counselor in Littleton, Colorado. Practices as a sole proprietor. Registered with an NPI since 2009.

In the registry since
2009

Practice location Address checks out

10655 W Berry Dr
Littleton, CO 80127-1827
Phone: (303) 956-9390
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1710211966
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 21, 2009
Last updated in NPPESSeptember 21, 2009
Mailing address10655 W Berry Dr, Littleton, CO 80127-1827

Other providers in Littleton