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.

Johnathan I Diem

CPA

Whitefish, Montana 59937

Johnathan I Diem, CPA in Whitefish, MT

Specialties

No specialties are listed yet. They stay blank until the licensee claims this profile and adds them.

Licenses

No state license number is on file.

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