Jacqueline Claudia
Barrientos, MD, MS

Hematology, Medical Oncology, Internal Medicine

(516) 470-4050

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About your doctor:

Member of Northwell Health Physician Partners
Languages spoken:
English, German, Spanish


Board certifications:

  • Hematology - American Board of IM/Hematology
  • Medical Oncology - American Board of IM/Medical Oncology

Academic titles

  • Associate Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell

Medical school

  • Ponce School of Medicine


  • Yale University School of Medicine


  • New York Presbyterian Hospital


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Locations & insurance

CLL Research and Treatment Program

  • 410 Lakeville Road
    Suite 212
    Lake Success, NY 11042

    Fax: (516) 470-4250

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Patient ratings & comments

Northwell Health Physician Partners is improving the patient experience by displaying physician ratings and reviews. Learn more.

Friendliness/courtesy of the care provider


Explanations the care provider gave you about your problem or condition


Concern the care provider showed for your questions or worries


Care provider’s efforts to include you in decisions about your treatment


Information the care provider gave you about medications (if any)


Instructions the care provider gave you about follow-up care (if any)


Degrees to which care provider talked with you using words you could understand


Amount of time the care provider spent with you


Your confidence in this care provider


Likelihood of your recommending this care provider to others


Most recent comments:

Patient comments are gathered from the Press Ganey Patient Satisfaction Survey. Comments are displayed in their entirety and are anonymous for patient privacy.


"excellent care given by every member of the office."

"Dr. Barrientos is both an outstanding physician and human being, who cares very much about patients. She provides a very good atmosphere. She is definitely an asset to Northwell Health, also considering she treats oncological and extended treatment patients."


"I appreciated Dr. B_____ thorough explanations & passion for her field."

"Dr. Barrientos is thorough, professional, warm, & caring. Absolutely amazing."

"Absolutely no complaints I trust Dr. Barrientos & her staff wt. my life."

"I have only good experience there ,always explained very well"

"Drs. Rai and Barrientos and their Physician Assistants, Allison and John, have displayed the highest professionalism, patience, competence and compassion towards me as a patient with various health issues."

"Dr. Barrientos was the best. Also Dr. John Katsetos very helpful."

"I am very confident and happy with my care here."

"I wish that Excellent had been a choice."

"very ,very good experience"

"I was very satisfied with the doctor, physician assistant and the blood technician."