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Sierra Elisabeth Soucy, FNP-C

Nurse Practitioner in Brewer, ME · enumerated 2023 · practices at Northeast Radiation Oncology PA.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1619746054

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Registry record

Entity type Individual (Type 1)
Name Sierra Elisabeth Soucy
Credential FNP-C
Sex Female
Practice address Brewer, ME, 04412
Phone (207) 973-7478
Enumeration date Dec 27, 2023
Last updated in NPPES Dec 27, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License CNP231707 (ME) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Sierra Soucy?
The National Provider Identifier (NPI) for Sierra Soucy is 1619746054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sierra Soucy practice?
The practice location on file with NPPES is in Brewer, ME. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-27.