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

Mazen Hijazi Kilani

CPA, EA · H & R Block

Oklahoma City, Oklahoma 73132

Mazen Hijazi Kilani, CPA, EA in Oklahoma City, OK

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Mazen Hijazi Kilani, CPA in Oklahoma City · CPA Seek