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Michael Johnston is one of 940 internal medicine physicians practicing in Dallas, Texas .
Michael Johnston practices with Healthtexas Provider Network.
Registry record (NPPES)
NPI
1144232265
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
3417 Gaston Ave Dallas, TX 75246-2016 (469) 800-9000
Enumerated
Aug 13, 2006
Record last updated
Apr 13, 2017
License states listed
TX
Medicare (CMS)
Enrollment
Medicare-enrolled in TXInternal Medicine
Revalidation due
No date set by CMS
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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history
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Practice locations
4001 Worth St
Dallas , TX 75246
More internal medicine physicians in Dallas
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.
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