Provider Profile

Mary K. Thayer, FNP-C

Unclaimed Profile

About Mary Thayer

Listed in the NPI registry as a nurse practitioner — family, Mary K. Thayer, FNP-C practices in Stony Brook, NY. NPI 1457268435 identifies this record in the national registry.

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

Specialty

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 360238As reported
NPINational Provider Identifier
1457268435Issued 2026

As reported to the NPI registry ↗

Common questions

What is Mary K. Thayer's specialty?

Mary K. Thayer is a nurse practitioner in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.

NPI registry

Where can I find Mary K. Thayer?

Mary K. Thayer is listed at 101 Nicolls Rd, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Mary K. Thayer?

The number on file is (631) 444-4686. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mary K. Thayer?

Mary K. Thayer's National Provider Identifier is 1457268435. 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

Is Mary K. Thayer's profile verified?

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

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