Doctor profile · Federal record

Dr. William Treem, M.D.

Pediatric Gastroenterology Physician · Brooklyn, NY

  • NPI 1083692644
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Clarkson Ave, Suite B4-333
Brooklyn, NY 112032056
(718) 270-4714
fax (718) 270-1985

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
2080P0206X — NUCC code
State license (1)
New York #230943-1
Medicaid
NY #01825658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083692644. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63,475
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Albireo Pharma, INC. 1 $46,575.00
Takeda Pharmaceuticals U.S.A., INC. 3 $16,900.00

By nature of payment

Consulting Fee
$63,475

Frequently asked questions

Auto-generated from federal data
What is Dr. William Treem's medical specialty?
Dr. William Treem practices Pediatric Gastroenterology Physician in Brooklyn, NY.
Where does Dr. William Treem practice?
Dr. William Treem practices at 450 Clarkson Ave, Brooklyn, NY 112032056. Office phone: 7182704714.
What is Dr. William Treem's NPI?
Dr. William Treem's National Provider Identifier (NPI) is 1083692644, issued by NPPES.