Provider Profile

Preston Duffield

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About Preston Duffield

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Specialty

Credentials & Licensing

NPI1215865050
NPI issued05/12/2026

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.

Common questions

Where can I find Preston Duffield?

Preston Duffield is listed at 500 Redland CT Ste 102, Owings Mills, MD 21117. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Preston Duffield?

The number on file is (201) 979-1336. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Preston Duffield's NPI number?

Preston Duffield's National Provider Identifier is 1215865050. 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 Preston Duffield confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Preston Duffield. 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.