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

Mr. William Mark Schwing, CPO

Individual provider Prosthetic/Orthotic Supplier · NPI 1326198441

Mr. William Mark Schwing, CPO is a Prosthetic/Orthotic Supplier in Smithtown, New York. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

329 E Main St Bldg A Ste 2
Smithtown, NY 11787-2830
Phone: (631) 360-6400
Fax: (631) 360-6449
Show map & directions

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

Specialties & licences

Prosthetic/Orthotic Supplier (primary) Taxonomy 335E00000X

Record details

NPI number1326198441
Entity typeIndividual (Type 1)
GenderMale
Credentials CPO
Sole proprietorYes
NPI enumeratedJanuary 11, 2007
Last updated in NPPESJuly 9, 2007