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Johnny C. Ko, an attorney admitted in New York, works out of McCormack, Mattei & Holler PC's Garden City office.
St. John's University School of Law is where Ko studied law; admission to the New York bar followed in 1998 (Appellate Division, Second Department). Ko's attorney registration (no. 2880821) is current, with the next renewal due Sep 2028.
The office is at 1035 Stewart Ave Fl Second & Third Floors, Garden City, NY 11530; the number on file is (516) 505-0600.
Quick facts
- Profession
- Attorney (New York)
- Firm
- McCormack, Mattei & Holler PC
- Office
- 1035 Stewart Ave Fl Second & Third Floors, Garden City, NY 11530
- Phone
- (516) 505-0600
- Admitted to the NY bar
- 1998 — Appellate Division, Second Department
- Law school
- St. John's University School of Law
- Registration no.
- 2880821
- Registration status
- Currently registered (next due Sep 2028)
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Frequently Asked Questions
Johnny C. Ko is with McCormack, Mattei & Holler PC at 1035 Stewart Ave Fl Second & Third Floors, Garden City, NY 11530. Phone: (516) 505-0600.
In 1998, through the Appellate Division, Second Department.
St. John's University School of Law.
Yes. New York's attorney registry lists registration no. 2880821 as currently registered, with the next renewal due Sep 2028.
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