Provider Profile

Mary Williams, RD

Unclaimed Profile

About Mary Williams

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Specialty

Registered Dietitian / Nutritionist (Primary)

Credentials & Licensing

NPI1588153969
NPI issued05/01/2018

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

What does Mary Williams specialize in?

Mary Williams is a registered dietitian / nutritionist in Washington, DC. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Mary Williams located?

Mary Williams is listed at 50 Irving St Nw, Washington, DC 20422. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mary Williams's phone number?

The number on file is (202) 745-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Mary Williams?

Mary Williams's National Provider Identifier is 1588153969. 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

How much experience does Mary Williams have?

Mary Williams 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

Is Mary Williams's profile verified?

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