Listed as a CPA in IRS public preparer records. Source: IRS PTIN FOIA extract (Feb 2026), retrieved October 23, 2026. https://www.irs.gov/pub/foia/foia-texas-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Douglas G Deffenbaugh

CPA, Attorney · Deffenbaugh & Lange PLLC

San Antonio, Texas 78232

Douglas G Deffenbaugh, CPA, Attorney in San Antonio, TX

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Douglas G Deffenbaugh, CPA in San Antonio · CPA Seek