The answer depends on where the judgment was issued, not where you
filed it. If, as I understand you to say, it was a Pennsylvania state
court that issued the judgment, you are not entitled to collect on the
defendant's assets, since the judgment is in dispute.
On the other hand, if you wish to act on a judgment that was issued by
a New York state court, you must apply to the court for enforcement of
See here for a summary of the procedure.
NY State Unified Court System: Uniform Rules for N.Y.S. Trial Courts:
Section 208.39 Procedures for the enforcement of money judgments under
CPLR article 52
The above makes reference to the Civil Practice Law and Rules, of which
Article 52, Enforcement of Money Judgments, is given in its entirety here.
FindLaw: CPLR Article 52
To enforce a Pennsylvania judgment in New York, you would have to file
a new case in New York. See the following article for details.
Some states, such as New York and Connecticut, will not allow
the registration of a default judgment in which case a new law
suit must be filed to enforce the judgment.