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

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

Organization Specialist · NPI 1083607576

Paul M Grappell, MD, James T Walker, MD, PC is a Specialist 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.

See every abbreviation used in this directory →

Practice location Address checks out

500 Montauk Hwy
West Islip, NY 11795-4418
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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