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

Dr. Lawrence Robert Grosswirth, DC

Individual provider Chiropractor · NPI 1780637009

Dr. Lawrence Robert Grosswirth, DC is a Chiropractor in Lynbrook, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

620 Broadway
Lynbrook, NY 11563-3908
Phone: (516) 561-1122
Fax: (516) 825-0167
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence X002647 (NY)

Record details

NPI number1780637009
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMay 18, 2006
Last updated in NPPESJuly 7, 2008
Mailing address620 Broadway, Lynbrook, NY 11563-3908

Other providers in Lynbrook