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

Mary Ying, RN, CARN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1003774274

Mary Ying, RN, CARN is a Psychiatric/Mental Health Nurse Practitioner in Charlestown, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2026
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

36 1st Ave
Charlestown, MA 02129-4557
Phone: (617) 726-3164
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence RN2316898 (MA)

Record details

NPI number1003774274
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , CARN
Sole proprietorYes
NPI enumeratedJanuary 14, 2026
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026
Mailing address36 1st Ave, Charlestown, MA 02129-4557

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