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

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