Physician Profile

Leo Xavier Callahan, M.D.

Unclaimed Profile

About Dr. Callahan

Based in East Boston, MA, Leo Xavier Callahan, M.D. is listed in the NPI registry under otolaryngology (ent). NPI 1598955627 identifies this record in the national registry.

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

Specialty

Otolaryngology (ENT) (Primary)

Credentials & Licensing

MA licenceAs reported to the NPI registry
No. 58717As reported
NPINational Provider Identifier
1598955627Issued 2007

As reported to the NPI registry ↗

Common questions

What is Leo Xavier Callahan's specialty?

Leo Xavier Callahan is an otolaryngology (ent) in East Boston, MA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Leo Xavier Callahan?

Leo Xavier Callahan is listed at 79 Meridian St, East Boston, MA 02128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Leo Xavier Callahan?

The number on file is (617) 407-7568. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Leo Xavier Callahan?

Leo Xavier Callahan's National Provider Identifier is 1598955627. 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 Leo Xavier Callahan have?

Leo Xavier Callahan has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Leo Xavier Callahan's profile verified?

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

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