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

Mary Lou Ryan, RNCS

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1578584843

Mary Lou Ryan, RNCS is a Psychiatric/Mental Health Registered Nurse in Somerville, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006

Practice location Address checks out

40 Holland St
Somerville, MA 02144-2705
Phone: (617) 629-6180
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0808X · Licence 150000 (MA)

Record details

NPI number1578584843
Entity typeIndividual (Type 1)
GenderFemale
Credentials RNCS
Sole proprietorYes
NPI enumeratedJuly 22, 2006
Last updated in NPPESOctober 7, 2010
Mailing address40 Holland St, Hvma, Somerville, MA 02144-2705

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