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

Kathleen Sullivan, DO

Individual provider Emergency Medicine Physician · NPI 1437566593

Kathleen Sullivan, DO is an Emergency Medicine Physician in West Islip, New York. Licensed in New York. Registered with an NPI since 2014.

Licensed in
NY
In the registry since
2014
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone: (631) 376-4444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 274346-219 (NY)

Record details

NPI number1437566593
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 21, 2014
Last updated in NPPESApril 5, 2021
Certification dateApril 5, 2021
Mailing address1000 Montauk Hwy, West Islip, NY 11795-4927

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