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Provider Profile

Daniel Long

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At a glance

About Daniel Long

Daniel Long is an addiction & substance abuse counselor practicing in Mattapan, MA. This provider record is associated with NPI 1225945058.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

NPINational Provider Identifier
1225945058Issued 2026

As reported to the NPI registry ↗

Common questions

What kind of doctor is Daniel Long?

Daniel Long is an addiction & substance abuse counselor in Mattapan, MA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Daniel Long's address?

Daniel Long is listed at 201 River St, Mattapan, MA 02126. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Daniel Long?

The number on file is (617) 308-2225. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Daniel Long's NPI number?

Daniel Long's National Provider Identifier is 1225945058. 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 Daniel Long confirmed this information?

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

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