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

William J. Schwarz, PT of Commack LLC

Organization Physical Therapist · NPI 1407036783

William J. Schwarz, PT of Commack LLC is a Physical Therapist in Massapequa, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5700 Merrick Rd
Massapequa, NY 11758-6221
Phone: (516) 798-9605
Fax: (516) 798-9373
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 014995 (NY)

Record details

NPI number1407036783
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jennifer Steo — Office Manager · (516) 798-9605
NPI enumeratedNovember 5, 2007
Last updated in NPPESJuly 3, 2013
Mailing address5700 Merrick Rd, Massapequa, NY 11758-6221

Other providers in Massapequa