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Provider Profile

Mary Ying, RN, CARN

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At a glance

About Mary Ying

Listed in the NPI registry as a nurse practitioner — psychiatric/mental health, Mary Ying, RN, CARN practices in Charlestown, MA. NPI 1003774274 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

MA licenceAs reported to the NPI registry
No. RN2316898As reported
NPINational Provider Identifier
1003774274Issued 2026

As reported to the NPI registry ↗

Common questions

What kind of doctor is Mary Ying, RN?

Mary Ying, RN is a nurse practitioner in Charlestown, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.

NPI registry

What is Mary Ying, RN's address?

Mary Ying, RN is listed at 36 1St Ave, Charlestown, MA 02129. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Mary Ying, RN?

The number on file is (617) 726-3164. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Mary Ying, RN's NPI number?

Mary Ying, RN's National Provider Identifier is 1003774274. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Has Mary Ying, RN confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Mary Ying, RN. If this is you, claiming it is free.

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