Doctor profile · Federal record

Dr. Katherine Marx, NP

Nurse Practitioner · Brooklyn, NY

  • NPI 1619981099
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Clarkson Ave, Suny Downstate Medical Center
Brooklyn, NY 112032056
(718) 270-3745
Mailing address
115 Eastern Pkwy, #6F
Brooklyn, NY 11238

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #F3332861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619981099. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $21.65

By nature of payment

Food and Beverage
$22

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Marx's medical specialty?
Dr. Katherine Marx practices Nurse Practitioner in Brooklyn, NY.
Where does Dr. Katherine Marx practice?
Dr. Katherine Marx practices at 450 Clarkson Ave, Brooklyn, NY 112032056. Office phone: 7182703745.
What is Dr. Katherine Marx's NPI?
Dr. Katherine Marx's National Provider Identifier (NPI) is 1619981099, issued by NPPES.