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.

William Martin Duffy

CPA

Iowa City, Iowa 52245

William Martin Duffy, CPA in Iowa City, IA

Specialties

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Licenses

No state license number is on file.

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