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

Gerdine Marsan

Individual provider Mental Health Counselor · NPI 1609407188

Gerdine Marsan is a Mental Health Counselor in Lexington, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2020.

In the registry since
2020

Practice location Address checks out

125 Hartwell Ave
Lexington, MA 02421-3100
Phone: (781) 861-0890
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 number1609407188
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedFebruary 3, 2020
Last updated in NPPESFebruary 3, 2020
Certification dateFebruary 3, 2020
Mailing address33 Medford St, Malden, MA 02148-7417

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