Doctor profile · Federal record

Dr. Madeleine Gaffney, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Roslyn, NY

  • NPI 1407634454
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Port Washington Blvd
Roslyn, NY 115761347
(516) 562-6000
Mailing address
27 Roderick RD
West Islip, NY 117952615

Credentials & registration

NPPES · NUCC
NPI registered
September 2023 — 3 yrs on file
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363AM0700X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407634454. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$149
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 2 $149.26

By nature of payment

Food and Beverage
$149

Frequently asked questions

Auto-generated from federal data
What is Dr. Madeleine Gaffney's medical specialty?
Dr. Madeleine Gaffney practices Medical Physician Assistant in Roslyn, NY.
Where does Dr. Madeleine Gaffney practice?
Dr. Madeleine Gaffney practices at 100 Port Washington Blvd, Roslyn, NY 115761347. Office phone: 5165626000.
What is Dr. Madeleine Gaffney's NPI?
Dr. Madeleine Gaffney's National Provider Identifier (NPI) is 1407634454, issued by NPPES.
Does Dr. Madeleine Gaffney accept Medicare assignment?
Yes. Dr. Madeleine Gaffney accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.