Organization Profile

Mary Yost

Unclaimed Profile

About Mary Yost

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Specialty

Addiction & Substance Abuse Counselor (Primary)

Credentials & Licensing

NPI1730748260
NPI issued06/09/2019

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 kind of practice is Mary Yost?

Mary Yost is an addiction & substance abuse counselor in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Mary Yost's address?

Mary Yost is listed at 212 Islington St, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Mary Yost?

The number on file is (603) 387-2256. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Mary Yost's NPI number?

Mary Yost's National Provider Identifier is 1730748260. 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 Mary Yost confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Mary Yost. If this is you, claiming it is free.

Guide.md

Is this your practice?

Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.