Medical Oncology & Hematology

Dr. Roy Chen joined our medical physician team following the completion of his Hematology and Medical Oncology fellowship at North Shore-Long Island Jewish Hospital.

Dr. Chen completed his Bachelors degree in biology at New York University; College of Arts and Sciences before continuing to SUNY Upstate Medical University where he obtained his medical degree. Dr. Chen returned to Long Island and completed both his Internal Medicine Residency and Internship at Stony Brook University Hospital.

Dr. Chen accepts new patients at our Riverhead, Patchogue, and Port Jefferson offices.

Credentials:  MD
Education & Training
   FACP:    North Shore-Long Island Jewish Hospital
   Residency:    State University of New York at Stony Brook
   Medical School:    State University of New York Upstate Medical University
   College:    New York University


Eastern Long Island Hospital
Good Samaritan Medical Center
John T Mather Memorial Hospital
Peconic Bay Medical Center
Southampton Hospital
Southside Hospital
St. Catherine Of Siena Medical Center
St. Charles Hospital
University Hospital at Stony Brook

Patient Reviews

  • "I had the pleasure of being a patient of Dr. Chen and I would highly recommend him to anyone I know. His bedside manner is second to none and he is truly a wizard in his craft. Amazing human being 10/10."
      from Matthew 5.0 Stars - (2025-05-24)
  • "Dr Chen & the staff are friendly & informed. Appointment was within a reasonable amount of time. Facility is very clean."
      from Julie 5.0 Stars - (2025-05-21)
  • "Always excellent care and support"
      from Nancy 5.0 Stars - (2025-05-20)
  • "Amazing team of doctors and staff who were professional and thorough. Discussed everything in detail and took the time to address any concerns I might have had."
      from Deepak 5.0 Stars - (2025-05-09)
  • "Always a pleasure to see Dr. Chen. A consummate professional , he carefully explains everything you need to know. Very friendly with a great attitude and unlike most Drs. he always shakes your hand. Just a great individual. Actually, the best."
      from Russell 5.0 Stars - (2025-05-08)
  • "Everyone is very pleasant as you walk in. The nurses are very caring. And Dr. Roy Chen is excellent, he takes time to listen to what you have to say, and he always tries to make you feel better."
      from Cecelia 5.0 Stars - (2025-05-02)
  • "Friendly and professional staff. Expert treatment was on the ball. Very good experience."
      from Lorenzo 5.0 Stars - (2025-05-02)
  • "I really liked the care I received. I will highly recommend Dr. Chen and his PA. Well qualified. I liked the lady who took my blood. She got it right the first time."
      from Florence 5.0 Stars - (2025-05-01)
  • "Dr Roy Chen and his staff are true medical professionals. My questions are always answered, and Dr Chen or PA’s listen to my concerns and address them. If you need Medical Oncology, in my opinion, NYC&BS, is where you start. Thank you Dr Chen and staff."
      from Allen 5.0 Stars - (2025-04-24)
  • "If I could give him 10 stars I would . He and his entire staff are so personable , respectful and knowledgeable . Dr. Chen makes you feel like you knew him for years . He explains everything in layman's terms and makes you feel at ease always looking eye to eye which means to me he's very sincere and honest . I highly recommend Dr. Roy Chen"
      from Greg 5.0 Stars - (2025-04-23)