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
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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
Mailing address777 Scudders Mill Rd, Plainsboro, NJ 08536-1615

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