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

Individual provider Allergy & Immunology Physician · NPI 1558438796

Dr. Sigmund Friedman, MD is an Allergy & Immunology Physician in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

1421 48th St
Brooklyn, NY 11219
Phone: (718) 435-6857
Fax: (718) 435-3929
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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 124838 (NY)

Record details

NPI number1558438796
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 30, 2006
Last updated in NPPESJuly 8, 2007

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