Dr. Kristen O'Brien, MD

Dr. Kristen O'Brien, MD

Family Medicine  |  
Female  |  
Age 42
Insurances AcceptedSave
Dr. Kristen O'Brien, MD is a family medicine specialist in Islandia, NY and has been practicing for 17 years. She graduated from U Of Buffalo SUNY Sch Of Med & Biomedical Sci in 2001 and specializes in family medicine.

3001 Express Dr N Ste 102

Islandia, NY 11749

Contact Information

(631) 439-0600

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • Empire Blue Cross Blue Shield
  • HealthFirst
  • Humana

*Please verify this information when scheduling an appointment.

Learn about Dr. O'Brien

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Dr. O'Brien's Experience

Dr. O'Brien's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Family Medicine
  • Board certified in Family Practice
  • No malpractice claims found
  • No sanctions found
  • No board actions found


  • Family Medicine

Board Certifications

  • Family Practice
    Accredited by: American Board of Family Medicine*

Conditions Treated


Read Less


  • Care Coordination for Complex Conditions and Procedures
  • Cholesterol Screening
  • Dementia or Depression Screening
  • Diabetes Screening
  • Electrocardiogram (EKG)
  • Immunization
  • Liver Function Test
  • Osteoporosis Screening
  • Prostate Cancer Screening
  • Pulmonary Function Test
  • Rapid Flu Test
  • Rh Incompatibility Screening
  • Thyroid Screening
  • Wellness Examination

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • U Of Buffalo SUNY Sch Of Med & Biomedical Sci
    Medical School | Graduated 2001

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. O'Brien has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. O'Brien does not have any memberships or affiliations listed. If you are Dr. O'Brien and would like to add memberships or affiliations, please update your profile.

Dr. O'Brien's Reviews

Likelihood of recommending Dr. O'Brien to family and friends
based on 24 total reviews (9 with comments)

Likelihood to Recommend (24)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. O'Brien's Performance

Explains condition(s) well
Answers Questions
Time well spent

Office & Staff Performance

Office environment
Staff friendliness
Average wait time
10 to 15 minutes

Patient Comments (9)

in Dayton, OH
She's been my doctor since I was 18 and I've always had confidence in her abilities. She's very personable and easy to talk to.
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in Smithtown, NY
I needed a new primary doctor because I was fed up dealing with my last doctor and his staff for 17 years. My friend that is a nurse practitioner recommended Dr. Kristen O'Brien and I am so thankful I switched to her. She is professional, knowledgeable and gives me the time I need . I never feel...more
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in Ronkonkoma, NY
My insurance changed and I had to find a nrw PCP. I chose to see Dr. O 'Brien based on reviews. I cant say enough about her. I am so glad I chose to go here. The reviews I read were great. She was even better than I had expected. She's bright and well versed on many areas. Other Dr's often send you...more
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in East Northport, NY
Dr. O'Brien treats both myself and my husband who has had some serious health issues. She has always been on top of addressing his problems, and on one instance would not let us leave until she consulted with his cardiologist who was not taking us as serious as he should have been. She is a great...more
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in EAST Northport, NY
After being a Patient for many years, I had an Appointment for 11:30am. I was there at 10:45AM... 10:20 AM a lady walked and by 10:30 she was seen.... I walked out after waiting for 45 minutes with NO EXPLAINATION!!! Plus I had to go to work... THEN they charge my Insurance Company for the...more
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