Doctor profile · Federal record

Dr. Marc Felderstein, D.C.

Internist Chiropractor · Brooklyn, NY

  • NPI 1902013642
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3419 Quentin RD
Brooklyn, NY 112344228
(718) 627-8042

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
111NI0900X — NUCC code
State license (1)
New York #X008253-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902013642. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,179
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cadwell Industries, INC 1 $1,178.75

By nature of payment

Debt Forgiveness
$1,179

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Felderstein's medical specialty?
Dr. Marc Felderstein practices Internist Chiropractor in Brooklyn, NY.
Where does Dr. Marc Felderstein practice?
Dr. Marc Felderstein practices at 3419 Quentin RD, Brooklyn, NY 112344228. Office phone: 7186278042.
What is Dr. Marc Felderstein's NPI?
Dr. Marc Felderstein's National Provider Identifier (NPI) is 1902013642, issued by NPPES.