Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diane M Clausen, MD

Individual provider Hematology & Oncology Physician · NPI 1447256995

Diane M Clausen, MD is a Hematology & Oncology Physician in E Setauket, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

235 N Belle Mead Rd
E Setauket, NY 11733-3456
Phone: (631) 751-3000
Fax: (631) 675-2001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 186523 (NY)

Record details

NPI number1447256995
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2005
Last updated in NPPESAugust 20, 2019

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