Provider Profile
Karen E. Mazei is a nurse practitioner — family practicing in New Castle, DE. Karen is also listed as specializing in registered nurse.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
191 CHRISTIANA RD
New Castle, DE 19720
Karen E. Mazei is a nurse practitioner in New Castle, DE. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Karen E. Mazei is listed at 191 Christiana Rd, New Castle, DE 19720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (302) 322-1794. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Karen E. Mazei's National Provider Identifier is 1629565676. 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
Karen E. Mazei has 8+ years experience. Registered with an NPI since 2018. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Karen E. Mazei. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.