With more Castle Connolly Top Doctors® than any orthopedic practice in New York, Orlin & Cohen is proud to be ranked #1 in New York for the second year in a row, and Top 6 nationally for orthopedic care by Castle Connolly..
Recognized by their peers as leaders in the field, our specialists are among the best in the country and set the standard for orthopedic excellence. Their experience and expertise can mean a better outcome for you.
Looking for the best in orthopedic care?
We’ve Got The Most Top Specialists For That
With more Castle Connolly Top Doctors® than any orthopedic practice in New York, Orlin & Cohen is proud to be ranked #1 in New York for the second year in a row, and Top 6 nationally for orthopedic care by Castle Connolly..
Recognized by their peers as leaders in the field, our specialists are among the best in the country and set the standard for orthopedic excellence. Their experience and expertise can mean a better outcome for you.
We are upgrading your patient experience and transitioning to a new Electronic Medical Record (EMR) system on June 1 in partnership with Northwell Health. We are asking for your patience and understanding during this transition. Learn more and get access here.
Kenneth Nissen, M.S., A.N.P. – B.C., F.N.P., R.N.F.A., C.N.O.R, conducts patient rounds, assists physicians both in the office and in the operating room, personally manages and treats patients, applies casts and splints, reduces fractures, and performs joint injection aspirations. He also is a proctor to Medical, Nurse Practitioner & Physician Assistant students. Kenny joined Long Island Bone & Joint, a division of the Orlin & Cohen Orthopedic Group, in 2013, directly following completion of his Master of Science and Board Certification as a Nurse Practitioner.
Hospital Affiliations
John T Mather Memorial Hospital, Port Jefferson, NY
St. Charles Hospital, Port Jefferson, NY
Port Jefferson Surgery Center, Port Jefferson Station, NY
Professional Affiliations
American Association of Nurse Practitioners, Member
Association of periOperative Registered Nurses (AORN), Member
Licensures & Certifications
New York State Registered Nurse
Certified Nurse Operating Room (CNOR) Certified
American Nurses Credentialing Center (ANCC) Board Certified
Registered Nurse First Assistant Certified
Licensed Nurse Practitioner in Family Health
Licensed Adult Nurse Practitioner
Medical Education
Post-Master’s Advanced Certificate in Nursing, Family Nurse Practitioner, LIU Post, Old Brookville, NY, 2016
