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