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

James William Cassillo, DC

Individual provider Chiropractor · NPI 1871592295

James William Cassillo, DC is a Chiropractor in Massapequa, 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?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

5798 Merrick Rd
Massapequa, NY 11758-6223
Phone: (516) 795-6666
Fax: (516) 795-6834
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence X004518 (NY)

Record details

NPI number1871592295
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 18, 2005
Last updated in NPPESJuly 13, 2026

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