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
Mailing address1421 48th St, Brooklyn, NY 11219

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