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

Marissa Ferreyros

Individual provider Mental Health Counselor · NPI 1346962891

Marissa Ferreyros is a Mental Health Counselor in Waltham, Massachusetts. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

20 Hope Ave Ste 107
Waltham, MA 02453-2717
Phone: (617) 816-2275
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 number1346962891
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 12, 2022
Last updated in NPPESOctober 18, 2022
Certification dateOctober 18, 2022
Mailing address20 Hope Ave Ste 107, Waltham, MA 02453-2717

Other providers in Waltham