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

Joseph Leung, MD

Individual provider Internal Medicine Physician · NPI 1518904671

Joseph Leung, MD is an Internal Medicine Physician in New York, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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 General Internal Medicine Section (111K)
New York, NY 10010-5011
Phone: (212) 951-6331
Fax: (212) 951-3387
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 176635 (NY)

Record details

NPI number1518904671
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESJuly 13, 2026

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