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

Tamara Donaldson

CPA · Arntzen & Ruckman, CPA's PLLP

Lewistown, Montana 59457

Tamara Donaldson, CPA in Lewistown, MT

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Tamara Donaldson, CPA in Lewistown · CPA Seek