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

William Reilly Polkinghorn, MD

Individual provider Pediatrics Physician · NPI 1821125287

William Reilly Polkinghorn, MD is a Pediatrics Physician in New York, New York. Licensed in Massachusetts and New York. Registered with an NPI since 2007.

Licensed in
MA, NY
In the registry since
2007
Specialties on file
2
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

1275 York Ave
New York, NY 10065-6007 Not confirmed with CMS for 14 years — call before visiting
Phone: (212) 639-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 247221 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence L-229339 (MA)

Record details

NPI number1821125287
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 19, 2012

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