High Risk OB/GYN

Does anyone know of any excellent high risk facilities in NYC. Someone who specializes in recurrent pregnancy loss. I've already been to these high risk docs at Bronx-Lebanon, Brooklyn Hospital, and Columbia. About to try out NYU Langone. Recommendations please from anyone who's been high risk before or currently preferably with the similar issues. Thanks in advance. I only personally know women who were high risk because of age and possibly genetic abnormalities neither are my problem. Tyvm