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

Mr. John Tsai, MD

Individual provider Internal Medicine Physician · NPI 1134447600

Mr. John Tsai, MD is an Internal Medicine Physician in Plainsboro, New Jersey. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
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

777 Scudders Mill Rd
Plainsboro, NJ 08536-1615
Phone: (609) 897-3725
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A68690 (CA)

Record details

NPI number1134447600
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 9, 2010
Last updated in NPPESMay 9, 2010

Other providers in Plainsboro