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

Robert C Grieshaber

CPA · Robert C Grieshaber P.A., Certified Public Accountant

Auburn, Maine 04210

Robert C Grieshaber, CPA in Auburn, ME

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Robert C Grieshaber, CPA in Auburn · CPA Seek