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

Sean Bartmasser

Individual provider Mental Health Counselor · NPI 1437285947

Sean Bartmasser is a Mental Health Counselor in San Leandro, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

2275 Arlington Dr
San Leandro, CA 94578-1132
Phone: (510) 481-1222
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 number1437285947
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 26, 2007
Last updated in NPPESJuly 8, 2007
Mailing address752 Peralta Ave, Berkeley, CA 94707-1842

Other providers in San Leandro