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-new%20york-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 Koller

CPA · Mark E. Koller, CPA PC

East Aurora, New York 14052

Mark Koller, CPA in East Aurora, NY

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Mark Koller, CPA in East Aurora · CPA Seek