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

Steven Simonsen, MD

Individual provider Orthopaedic Surgery Physician · NPI 1457459133

Steven Simonsen, MD is an Orthopaedic Surgery Physician in West Islip, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

340 Montauk Hwy
West Islip, NY 11795-4437
Phone: (631) 422-9530
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 146175 (NY)

Record details

NPI number1457459133
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESApril 11, 2008
Mailing address340 Montauk Hwy, West Islip, NY 11795-4437

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