The Irene F. and I. Roy Psaty Distinguished Professor of Clinical Medicine
Lachs, Mark S.
(212) 746-7000 (212) 717-8207
The following represents most of the managed care plans accepted by this physician. If your insurance carrier does not appear here please feel free to contact this physician or this physician's practice as they may have individual contracts not included on this site.
AETNA-PPO
CIGNA
Health Net (PHS)
HIP
Oxford Freedom
United Health Care
WCMC Employee POS
AETNA-HMO
Rockefeller University PPO
If the words "Closed Panel" appear next to a plan this indicates the physician is a member but is no longer accepting new patients under that plan. Current patients under that plan and patients covered by other plans continue to be seen and accepted with full benefit of coverage.
(212) 746-7000 
(212) 717-8207
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