Bryon Callahan, MD

Emergency medicine physician in Houston, Texas · NPI 1659717734

Bryon Callahan is one of 519 emergency medicine physicians practicing in Houston, Texas. Bryon Callahan practices with Integrative Emergency Services Physician Group-Houston PLLC and Memorial Hermann Hospital Based Physician Group.

Registry record (NPPES)

NPI
1659717734
Type
Type 1 · Individual
Primary taxonomy
Emergency Medicine · 207P00000X
Address on file
1635 North Loop W
Houston, TX 77008
(713) 867-2000
Enumerated
May 16, 2013
Record last updated
Sep 13, 2024
License states listed
NC, TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Emergency Medicine
Revalidation due
No date set by CMS

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Practice locations

More emergency medicine physicians in Houston

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.