Leo Xavier Callahan, MD

Otolaryngology (ENT)

19+ years in practiceNPI: 1598955627Licensed in MA

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Credentials & Recognition

Specialties

Otolaryngology (ENT)

NPI sub-specialties

Otolaryngology207Y00000X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

19+ years

Estimated from NPI enumeration date

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Frequently Asked Questions about Dr. Leo Xavier Callahan, MD

Where does Dr. Leo Xavier Callahan, MD practice?+
Dr. Leo Xavier Callahan, MD practices in Massachusetts, MA. 79 MERIDIAN ST EAST BOSTON, MA 021281959.
What is Dr. Leo Xavier Callahan, MD's phone number?+
Dr. Leo Xavier Callahan, MD's practice phone is 617-407-7568. Office contact information is verified on the PBCMMG profile.
What does Dr. Leo Xavier Callahan, MD specialize in?+
Dr. Leo Xavier Callahan, MD's primary specialty is Otolaryngology (ENT).
Is Dr. Leo Xavier Callahan, MD board certified?+
Board certification status for Dr. Leo Xavier Callahan, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Leo Xavier Callahan, MD been practicing?+
Dr. Leo Xavier Callahan, MD has been in active practice for 19+ years, based on NPI enumeration and state licensing records.
What is Dr. Leo Xavier Callahan, MD's NPI number?+
Dr. Leo Xavier Callahan, MD's National Provider Identifier (NPI) is 1598955627, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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