Physician Profile

Nan Lan, MD

Unclaimed Profile

About Dr. Lan

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Specialty

Gastroenterology (Primary)

Credentials & Licensing

MA license1027413
NPI1730642844
NPI issued04/08/2019

Source: NPPES NPI Registry

Common questions

What is Dr. Lan's specialty?

Dr. Lan is a gastroenterologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.

NPI registry

Where can I find Dr. Lan?

Dr. Lan is listed at 75 Francis St, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Lan?

The number on file is (617) 732-6389. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Lan's NPI number?

Dr. Lan's National Provider Identifier is 1730642844. 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 long has Dr. Lan been practicing?

Dr. Lan has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Lan confirmed this information?

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