AttorneyMary Katherine Decker
MD

Mary Katherine Decker

Decker Guerra PLLC

Hays County · 20 years licensed

Cases
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Licensed
20 yrs

Mary Katherine Decker has been licensed in Texas since Nov 2006, 20 years. Practice areas on file include Administrative and Public, Oil, Gas and Energy Resources. No board certifications, no disciplinary history.

Case dataCounty court records

No filings in the last 10 years.

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Last refreshed Nov 2026