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

Marilyn Arroyo Oneill, MSW

Individual provider Clinical Social Worker · NPI 1528508314

Marilyn Arroyo Oneill, MSW is a Clinical Social Worker in Ponce, Puerto Rico. Practices as a sole proprietor. Licensed in Puerto Rico.

Licensed in
PR
In the registry since
2017
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

823 Calle Sauco Villa Del Carmen
Ponce, PR 00716-2124
Phone: (787) 607-5760

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 13463 (PR)

Record details

NPI number1528508314
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedFebruary 28, 2017
Last updated in NPPESFebruary 28, 2017
Mailing address823 Calle Sauco, Villa Del Carmen, Ponce, PR 00716-2124

Other providers in Ponce