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

John Austin Defrate, MD

Individual provider Neurology Physician · NPI 1346266863

John Austin Defrate, MD is a Neurology Physician in New Castle, Delaware. Licensed in Delaware and Pennsylvania. Registered with an NPI since 2006.

Licensed in
DE, PA
In the registry since
2006
Specialties on file
2
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

575 S Dupont Hwy
New Castle, DE 19720-4606
Phone: (302) 328-3330
Fax: (302) 328-9336
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence CL0005148 (DE)
Neurology Physician Taxonomy 2084N0400X · Licence MD061195L (PA)

Record details

NPI number1346266863
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2006
Last updated in NPPESJuly 29, 2008