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Dr. Diane Clausen, MD

Dr. Diane Clausen, MD

Hematology*
30+ years of experience

Dr. Diane Clausen, MD is a hematologist in East Setauket, NY and has over 30 years of experience in the medical field. She graduated from Stony Brook University Renaissance School of Medicine in 1990. She is affiliated with Stony Brook University Hospital. She is accepting new patients.

4.7 Star Rating
Based on 13 reviews 4.7 Star Rating (13 reviews)

Practice

235 N Belle Mead Ave East Setauket, NY 11733

Make an Appointment

(631) 474-6000

Hospital Highlight

Dr. Clausen is affiliated with Stony Brook University Hospital Stony Brook, a highly rated hospital.

At a Glance

  • Area of Expertise
    Dr. Clausen specializes in the area of Hematology. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Practices at Top Hospital
    America's 100 Best Hospitals Award™ • See hospitals
  • Trustworthy
    Patients said this doctor is trustworthy. • See reviews
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Dr. Clausen's Reviews

Likelihood to recommend Dr. Clausen

4.7
13 ratings
5 star
92%
92%
4 star
0%
0%
3 star
0%
0%
2 star
0%
0%
1 star
8%
8%

Leave a review

How was your experience with Dr. Clausen?

Know Before You Go

About Me

biography

Dr. Diane Clausen, MD is a hematologist in East Setauket, NY and has over 30 years of experience in the medical field. She graduated from Stony Brook University Renaissance School of Medicine in 1990. She is affiliated with Stony Brook University Hospital. She is accepting new patients.

  • Hematology

  • Medical Oncology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Hospital Suny Stony Brook Health Scis Center School Med

    Fellowship Hospital, 1996

  • University Hosp-suny Stony Brook Health Scis Center School Of Medicine

    Internship Hospital, 1991

  • Stony Brook University Renaissance School Of Medicine

    Medical School, 1990
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Hematology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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Locations

Practice

Digestive Disease Care PC235 N Belle Mead Ave East Setauket, NY 11733
1
Stony Brook University Hospital101 Nicolls Rd Stony Brook, NY 11794
2
Office15 Nicolls Rd Stony Brook, NY 11794
3

Practice

North Shore Hematology Oncology Associates PC1500 Route 112 Bldg 4 Port Jeff Sta, NY 11776
4

Affiliated Hospitals

  • Stony Brook University Hospital

    101 Nicolls Rd
    Stony Brook, NY 11794
    Recipient of 33
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    74%
    Patients said that doctors always listened to them and explained things well

    2% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality