Doctor profile · Federal record

Dr. Lucy Moussignac, MD

Family Medicine Physician (CMS: Family Practice) · Sag Harbor, NY

  • NPI 1104402643
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3330 Noyac RD Bldg A
Sag Harbor, NY 119631931
(631) 725-2112
fax (631) 725-7180
Additional location
147 Beach RD Ste A
Westhampton Beach, NY 119781733
(631) 288-7746
fax (631) 288-7111
Mailing address
4 Springville RD Ste B
Hampton Bays, NY 119462290

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
July 9, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New York #331017

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104402643. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$55
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $23.39
Novo Nordisk INC 1 $18.32
Exact Sciences Corporation 1 $13.11

By nature of payment

Food and Beverage
$55

Frequently asked questions

Auto-generated from federal data
What is Dr. Lucy Moussignac's medical specialty?
Dr. Lucy Moussignac practices Family Medicine Physician in Sag Harbor, NY.
Where does Dr. Lucy Moussignac practice?
Dr. Lucy Moussignac practices at 3330 Noyac RD Bldg A, Sag Harbor, NY 119631931. Office phone: 6317252112.
What is Dr. Lucy Moussignac's NPI?
Dr. Lucy Moussignac's National Provider Identifier (NPI) is 1104402643, issued by NPPES.
Does Dr. Lucy Moussignac accept Medicare assignment?
Yes. Dr. Lucy Moussignac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.