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-pennsylvania-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Thomas E. Ostrowski

CPA · Deverson, Tanack & Willison CPAs

Pittsburgh, Pennsylvania 15241

Thomas E. Ostrowski, CPA in Pittsburgh, PA

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Thomas E. Ostrowski, CPA in Pittsburgh · CPA Seek