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

John Gilbert Winant Jr., MD

Individual provider Allergy & Immunology Physician · NPI 1235196262

John Gilbert Winant Jr., MD is an Allergy & Immunology Physician in Mercerville, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
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

8 Quakerbridge Plz
Mercerville, NJ 08619-1255
Phone: (609) 890-8782
Fax: (609) 890-0025
Show map & directions

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence MA37258 (NJ)

Record details

NPI number1235196262
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 26, 2006
Last updated in NPPESJuly 1, 2010
Mailing address8 Quakerbridge Plaza, Mercerville, NJ 08619-1255