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

Individual provider Specialist · NPI 1821244336

Mr. John Dimitri Papanastassiou, MD is a Specialist in New York, New York. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008
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 10021 Not confirmed with CMS for 18 years — call before visiting
Phone: (212) 639-7610
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X

Record details

NPI number1821244336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 15, 2008
Last updated in NPPESAugust 15, 2008

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