Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

John Matthew Flannery

Currently registered

John Matthew Flannery is an attorney admitted to the New York State Bar in 1999, with a registered practice address in Buffalo, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number2993764
Bar statusCurrently registered
Year admitted1999
Judicial departmentDepartment 4
Law schoolUniversity of Texas
Practice cityBuffalo, NY
CountyErie
Firm / organizationKaleida Health
Office address726 Exchange St, Buffalo, NY, 14210
Phone(716) 859-8040
Next registration dueOct 2027

About Kaleida Health

Kaleida Health is a not-for-profit health care network in Buffalo, New York, founded in 1998, that manages five hospitals in the Buffalo–Niagara Falls metropolitan area. Prior to the merger of member hospitals into the network, it was known as the Millard Fillmore Health System. The organization describes its service area as the eight counties of Western New York, and serves more than one million patients each year.

View the Kaleida Health profile and its 5 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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Bar status can change at any time. For the authoritative, real-time status of John Matthew Flannery, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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