Stephen Shepherd Johnston, MD

Diagnostic radiologist in Kerrville, Texas · NPI 1730525841

Stephen Johnston is one of 117 diagnostic radiologists practicing in Kerrville, Texas. Stephen Johnston practices with Peterson Medical Associates.

Registry record (NPPES)

NPI
1730525841
Type
Type 1 · Individual
Primary taxonomy
Radiology, Diagnostic Radiology · 2085R0202X
Address on file
2492 E River Rd
Tucson, AZ 85718-9552
(520) 722-8994
Enumerated
May 15, 2013
Record last updated
Feb 6, 2026
License states listed
AZ, FL, LA

Medicare (CMS)

Enrollment
Medicare-enrolled in AL, AZ, FL, KY, LA, ND, NM, TN, TX, VA
Diagnostic Radiology
Revalidation due
No date set by CMS

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Practice locations

More diagnostic radiologists in Kerrville

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.