Provider Profile

Marissa Regan, RDN

Unclaimed Profile

About Marissa Regan

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Specialty

Registered Dietitian / Nutritionist (Primary)

Credentials & Licensing

SC license3560
NPI1801736293
NPI issued03/30/2026

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

What does Marissa Regan specialize in?

Marissa Regan is a registered dietitian / nutritionist in Charleston, SC. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Marissa Regan located?

Marissa Regan is listed at 171 Ashley Ave, Charleston, SC 29425. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Marissa Regan's phone number?

The number on file is (843) 792-2300. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Marissa Regan?

Marissa Regan's National Provider Identifier is 1801736293. 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 Marissa Regan's profile verified?

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