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

Dr. William R. Treem, MD

Individual provider Pediatric Gastroenterology Physician · NPI 1083692644

Dr. William R. Treem, MD is a Pediatric Gastroenterology 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

450 Clarkson Ave Ste B4-333
Brooklyn, NY 11203-2056
Phone: (718) 270-4714
Fax: (718) 270-1985
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Specialties & licences

Pediatric Gastroenterology Physician (primary) Taxonomy 2080P0206X · Licence 230943-1 (NY)

Record details

NPI number1083692644
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2006
Last updated in NPPESJuly 13, 2026
Mailing address450 Clarkson Ave, Box 1262, Brooklyn, NY 11203-2056

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