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

Mary K Oswald

CPA · Talbot, Korvola & Warwick, LLP

Portland, Oregon 97224

Mary K Oswald, CPA in Portland, OR

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Mary K Oswald, CPA in Portland · CPA Seek