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

Individual provider Allergy Physician · NPI 1255463600

Dr. John Castronovo, MD is an Allergy Physician in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
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

2527 Cropsey Ave
Brooklyn, NY 11214
Phone: (718) 946-5802
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence 129083 (NY)

Record details

NPI number1255463600
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 12, 2007
Last updated in NPPESJuly 8, 2007

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