Mark E Johnson, MD

Emergency medicine physician in San Antonio, Texas · NPI 1669578357

Mark Johnson is one of 238 emergency medicine physicians practicing in San Antonio, Texas. Mark Johnson practices with Emergency Medicine Services Of TX, PLLC.

Registry record (NPPES)

NPI
1669578357
Type
Type 1 · Individual
Primary taxonomy
Emergency Medicine · 207P00000X
Address on file
724 5th St
Marysville, CA 95901-5646
(530) 749-3242
Enumerated
Sep 16, 2006
Record last updated
Jul 2, 2015
License states listed
WA

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 San Antonio

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.