HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / TX

BRYON SCOTT CALLAHAN, MD

EMERGENCY MEDICINE

Medical school: TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE

Graduated: 2013

NPI: 1659717734

Practice Locations (2)

MEMORIAL HERMANN HOSPITAL BASED PHYSICIAN GROUP

1635 N LOOP W, MEMORIAL HERMANN EMERGENCY PHYSICIANS

HOUSTON, TX 770081532

7133386565

INTEGRATIVE EMERGENCY SERVICES PHYSICIAN GROUP-HOUSTON PLLC

22003 SOUTHWEST FWY

RICHMOND, TX 774697003

2813413000

Source: CMS National Downloadable File, September 2026.

BRYON CALLAHAN, MD | HealthCareAtlasUSA