Skip to main content

Are you Dr. Callahan?

Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.

  • Gain access to free telehealth tools, such as our "call shielding" and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
    You already have 4 invites waiting!
  • Read the latest clinical news, personalized to your specialty.

Claim this profile

Not you? Find your profile

  • Office

    79 Meridian St
    East Boston, MA 02128
    Phone+1 617-407-7568

Summary

  • Dr. Leo Xavier Callahan, MD is an otolaryngologist in East Boston, Massachusetts. He is currently licensed to practice medicine in Massachusetts.

Education & Training

  • Duke University Hospital
    Duke University HospitalResidency, Otolaryngology - Head and Neck Surgery, 1976 - 1979
  • US Public Health Service Hospital
    US Public Health Service HospitalResidency, Surgery, 1974 - 1974
  • Georgetown University School of Medicine
    Georgetown University School of MedicineClass of 1974

Certifications & Licensure

  • MA State Medical License
    MA State Medical License 1987 - 2025