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

Frederic A Mendelsohn, MD

Individual provider Neurology Physician · NPI 1336247691

Frederic A Mendelsohn, MD is a Neurology Physician in Ronkonkoma, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

650 Hawkins Ave Ste 7
Ronkonkoma, NY 11779-2366
Phone: (631) 737-0055
Fax: (631) 737-0076
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 112676 (NY)

Record details

NPI number1336247691
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 21, 2010
Mailing addressPo Box 491, Port Jefferson Station, NY 11776-0491

Other providers in Ronkonkoma