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Dr. Diane Clausen, MD

Dr. Diane Clausen, MD

Age 62 Hematology F
Star rating icon (13) 13 reviews
Accepting New Patients


Dr. Diane Clausen, MD is a hematology specialist in East Setauket, NY. Dr. Clausen completed a residency at University Hospital SUNY Stony Brook Health Scis Center School Med. She currently practices at Digestive Disease Care PC and is affiliated with Mather Hospital. She accepts multiple insurance plans. Dr. Clausen is board certified in Medical Oncology.


  • University Hospital SUNY Stony Brook Health Scis Center School Med, Fellowship Hospital — 1996
  • University Hospital SUNY Stony Brook Health Scis Center School Med, Residency Hospital — 1993
  • Univ Hosp-Suny Stony Brook Hlth Scis Ctr Sch Med, Internship Hospital — 1991
  • Stony Brook Univ Health Sciences Center School of Medicine, Medical School — 1990

Insurance Accepted

  • Aetna
  • Anthem
  • AvMed
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Connecticare
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • First Health (Coventry Health Care)
  • Harvard Pilgrim Health Care
  • Humana
  • MagnaCare
  • Medicaid
  • National Elevator
  • Oxford Health Plans
  • UnitedHealthCare

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Dr. Diane Clausen, MD
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Frequently Asked Questions

Dr. Clausen frequently treats Hemophilia, Coagulation Disorders (incl. Hemophilia), and Anemia.  

Find contact information here to make an appointment.

Hospital Affiliations

  • Mather Hospital
  • Saint Charles Hospital
  • St. Catherine of Siena Medical Center
  • Stony Brook University Hospital


  1. Practice

    1. 1
      Digestive Disease Care PC
      235 N Belle Mead Ave, East Setauket, NY 11733 (631) 474-6000
    2. 2
      Stony Brook University Hospital
      101 Nicolls Rd, Stony Brook, NY 11794 (631) 751-3000