MARY YING RN, CARN
NPI 1003774274
Nurse Practitioner - Psychiatric/Mental Health in Charlestown, MA
About Mary Ying Rn, Carn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY YING RN, CARN (NPI 1003774274) is an individual psychiatric/mental health provider in Charlestown, Massachusetts, licensed in Massachusetts (RN2316898) and active in the NPI registry since January 2026.
NPPES Registry Identity
Specialties & Licenses
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Ying's NPI number?
The NPI number for Mary Ying is 1003774274. It was assigned to this individual provider in the NPPES registry on January 14, 2026.
Where is Mary Ying located?
Mary Ying practices at 36 1st Ave, Charlestown, MA 02129. The listed phone number is (617) 726-3164.
What is Mary Ying's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
When was this NPI record last updated?
The NPPES record for Mary Ying was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Ying, RN, CARN · NPI 1003774274
Psychiatric/Mental Health physician in Charlestown, Massachusetts. Individual provider, active in the CMS NPPES registry since January 14, 2026.
## Identity
- **NPI:** 1003774274 (Entity type: Individual)
- **Enumerated:** January 14, 2026
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** RN2316898 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 36 1ST AVE, Charlestown, MA 02129-4557
- **Phone:** (617) 726-3164
## Record status
- **NPPES last updated:** January 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003774274) · Data from the CMS NPPES public registry.