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

Mark Wallen

CPA

Ames, Iowa 50014

Mark Wallen, CPA in Ames, IA

Specialties

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Licenses

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