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

Marcus A Day, BS

Individual provider Social Worker · NPI 1811230451

Marcus A Day, BS is a Social Worker in Buffalo, New York. Registered with an NPI since 2013.

In the registry since
2013
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1300 Niagara St
Buffalo, NY 14213-1503
Phone: (716) 882-2127
Fax: (716) 882-9277
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1811230451
Entity typeIndividual (Type 1)
GenderMale
Credentials BS
Sole proprietorNo
NPI enumeratedApril 2, 2013
Last updated in NPPESApril 2, 2013
Mailing address1300 Niagara St, Buffalo, NY 14213-1503

Other providers in Buffalo