Doctor profile · Federal record

Dr. Danielle Duffy

Adult Health Nurse Practitioner · Adult Health Nurse Practitioner · Port Washington, NY

  • NPI 1104570308
  • MIPS 81.7 / 100 · 2023
  • 4 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
135B Main St
Port Washington, NY 110502801
(516) 532-4145
Mailing address
2979 Main St
Bridgeport, CT 066064284

Credentials & registration

NPPES · NUCC
NPI registered
February 2022 — 4 yrs on file
Profile last updated
August 5, 2022
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Connecticut #10675 · New York #310281

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104570308. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
307
Distinct HCPCS
2
Medicare allowed
$2,446
HCPCS Description Services Patients Avg allowed
93793 Anticoagulant management of patient taking warfarin 191 18 $10
85610 Blood test, clotting time 116 17 $4

In context: peer comparison

Among 1 peers in this city , average services per provider: 153. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$589
Transactions
18
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 3 $160.40
Novo Nordisk Inc 1 $117.56
Merck Sharp & Dohme LLC 4 $109.06
SCPHARMACEUTICALS INC. 2 $45.62
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $34.69
Amgen Inc. 2 $34.68
AstraZeneca Pharmaceuticals LP 2 $28.67
CVRx, Inc. 1 $27.42
Novartis Pharmaceuticals Corporation 1 $16.77
E.R. Squibb & Sons, L.L.C. 1 $14.58

By nature of payment

Food and Beverage
$589

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,560
Patients
1,332
Total drug cost
$672,232
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 431 165 $6,872
Amlodipine Besylate Generic 388 160 $3,865
Eliquis (Apixaban) Brand 386 125 $421,598
Metoprolol Succinate Generic 385 139 $7,922
Carvedilol Generic 285 107 $4,296
Rosuvastatin Calcium Generic 271 116 $6,160
Furosemide Generic 243 99 $1,621
Lisinopril Generic 223 81 $2,045
Entresto (Sacubitril/Valsartan) Brand 165 46 $207,016
Metoprolol Tartrate Generic 163 64 $1,535

Frequently asked questions

Auto-generated from federal data
What is Dr. Danielle Duffy's medical specialty?
Dr. Danielle Duffy practices Adult Health Nurse Practitioner in Port Washington, NY.
Where does Dr. Danielle Duffy practice?
Dr. Danielle Duffy practices at 135B Main St, Port Washington, NY 110502801. Office phone: 5165324145.
What is Dr. Danielle Duffy's NPI?
Dr. Danielle Duffy's National Provider Identifier (NPI) is 1104570308, issued by NPPES.
What procedures does Dr. Danielle Duffy commonly perform?
Top Medicare-reported procedures in 2023: Anticoagulant management of patient taking warfarin (HCPCS 93793); Blood test, clotting time (HCPCS 85610). Source: CMS Medicare Physician & Other Practitioners file.