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

Individual provider Allergy & Immunology Physician · NPI 1477549475

Dr. Alan Siedlecki is an Allergy & Immunology Physician in Valley Stream, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2005
Specialties on file
2
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Practice location Address checks out

779 Golf Dr
Valley Stream, NY 11581
Phone: (516) 791-0145
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 216691 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 216691 (NY)

Record details

NPI number1477549475
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedSeptember 25, 2005
Last updated in NPPESMay 28, 2014

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