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

Mary C Regner

CPA · Summers & Summers, CPA's LLC

Frederick, Maryland 21701

Mary C Regner, CPA in Frederick, MD

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Mary C Regner, CPA in Frederick · CPA Seek