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

Individual provider Internal Medicine Physician · NPI 1487850731

Dr. Junchieh James Tsay, MD is an Internal Medicine Physician in New York, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

423 E 23rd St
New York, NY 10010-5011
Phone: (212) 686-7500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 246428 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 246428 (NY)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 246428 (NY)

Record details

NPI number1487850731
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 25, 2007
Last updated in NPPESMarch 27, 2014

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