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

Individual provider Internal Medicine Physician · NPI 1619105111

Siyang Leng, MD is an Internal Medicine Physician in New York, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
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

161 Fort Washington Ave
New York, NY 10032-3729
Phone: (646) 317-4805
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 269268 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 269268 (NY)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 269268 (NY)

Record details

NPI number1619105111
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2009
Last updated in NPPESJune 27, 2017

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