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

Marcos J Rivera, LMSW

Individual provider Social Worker · NPI 1013279793

Marcos J Rivera, LMSW is a Social Worker in Middle Island, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2012
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

67 Middle Country Rd
Middle Island, NY 11953-2502
Phone: (631) 310-3251
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 122694 (NY)
Case Manager/Care Coordinator Taxonomy 171M00000X

Record details

NPI number1013279793
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJune 8, 2012
Last updated in NPPESMarch 12, 2026
Certification dateMarch 12, 2026
Mailing address1601 Fire Ave, Medford, NY 11763-1781

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