Clifford Feiner, DO

Feiner, Clifford F., DO

Primary Location

Mount Sinai South Nassau - Long Beach, Primary Care
761 Franklin Boulvard
Long Beach, NY 11561
(516) 544-2351

No Patient Experience Ratings [Why not?]



Area(s) of Practice Specialty


Hospital Employed


Medical School

N.Y. College of Osteopathic Medicine


Brookdale Hospital Medical Center


L.I. College Hospital, Internal Medicine


Mount Sinai Hospital, Geriatric Medicine

Accepted Insurance

Participates in most plans the hospital accepts.
Click here to view the list of Participating Insurance Plans.
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Accepting New Patients



Dr. Feiner is board certified in Geriatric Medicine and Internal Medicine. He obtained his medical degree from New York Institute of Technology College of Osteopathic Medicine in Old Westbury, New York. Dr. Feiner completed his residency training in Internal Medicine at Long Island College Hospital in Brooklyn, New York and his fellowship at Mount Sinai Medical Center in New York, New York. Prior to joining Mount Sinai South Nassau, Dr. Feiner was the founding Chief of the Division of Geriatrics at Queens Hospital Center in Jamaica, New York.