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

Paul M Grappell, MD, James T Walker, MD, PC

Organization Specialist · NPI 1083607576

Paul M Grappell, MD, James T Walker, MD, PC provides Specialist services in West Islip, 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?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

500 Montauk Hwy
West Islip, NY 11795-4418 Not confirmed with CMS for 18 years — call before visiting
Phone: (631) 422-4474
Fax: (631) 422-1235
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 1018231 (NY)

Record details

NPI number1083607576
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Paul Grappell — President · (631) 422-4474
NPI enumeratedAugust 30, 2005
Last updated in NPPESJune 24, 2008
Mailing address500 Montauk Hwy, West Islip, NY 11795-4418

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