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

Dr. Katherine Rowan, MD

Individual provider Internal Medicine Physician · NPI 1205178969

Dr. Katherine Rowan, MD is an Internal Medicine Physician in West Islip, New York. Licensed in New York. Registered with an NPI since 2013.

Licensed in
NY
In the registry since
2013
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

631 Montauk Hwy Ste 1B
West Islip, NY 11795-4400
Phone: (631) 306-4607
Fax: (631) 532-4924
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 278179 (NY)

Record details

NPI number1205178969
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2013
Last updated in NPPESJuly 28, 2026
Certification dateJuly 28, 2026
Mailing address71 Washington St, Babylon, NY 11702-1817

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