Doctor profile · Federal record

Dr. Patrick Duffy, PA

Physician Assistant · Rehoboth Beach, DE

  • NPI 1780748368
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18947 John J Williams Hwy Unit 201
Rehoboth Beach, DE 199714476
(302) 645-4801
fax (302) 645-7183
Mailing address
1515 Savannah RD
Lewes, DE 199581675

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
October 26, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Delaware #C50000546

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780748368. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,782
Distinct HCPCS
10
Medicare allowed
$238,207
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 1,938 377 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 1,230 873 $77
17000 Destruction of precancer skin growth, 1 growth 526 415 $47
17110 Destruction of skin growth, 1-14 growths 261 237 $97
11102 Biopsy of related skin growth, first growth 254 219 $81
99203 New patient office or other outpatient visit, 30-44 minutes 152 152 $96
11103 Biopsy of related skin growth, each additional growth 92 65 $43
17004 Destruction of precancer skin growth, 15 or more growths 79 59 $147
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 56 52 $257
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 56 11 $1

In context: peer comparison

Among 5 peers in this city , average services per provider: 132. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$917
Transactions
29
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 5 $200.74
Janssen Biotech, Inc. 4 $157.86
Regeneron Healthcare Solutions, Inc. 4 $151.60
Lilly USA, LLC 4 $143.28
SUN PHARMACEUTICAL INDUSTRIES INC. 3 $58.90
Novartis Pharmaceuticals Corporation 2 $48.25
ABBVIE INC. 2 $38.19
PFIZER INC. 2 $36.09
CSL Behring 1 $31.17
Amgen Inc. 1 $26.94
Sandoz Inc. 1 $23.57

By nature of payment

Food and Beverage
$917

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
910
Patients
598
Total drug cost
$29,714
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 169 124 $2,326
Ketoconazole Generic 165 99 $2,618
Doxycycline Hyclate Generic 100 56 $2,191
Clobetasol Propionate Generic 79 49 $3,954
Metronidazole Generic 53 33 $4,414
Cephalexin Generic 45 41 $241
Fluocinonide Generic 44 26 $2,679
Nystatin Generic 38 26 $621
Mupirocin Generic 37 28 $337
Fluorouracil Generic 36 32 $3,852

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Duffy's medical specialty?
Dr. Patrick Duffy practices Physician Assistant in Rehoboth Beach, DE.
Where does Dr. Patrick Duffy practice?
Dr. Patrick Duffy practices at 18947 John J Williams Hwy Unit 201, Rehoboth Beach, DE 199714476. Office phone: 3026454801.
What is Dr. Patrick Duffy's NPI?
Dr. Patrick Duffy's National Provider Identifier (NPI) is 1780748368, issued by NPPES.
Does Dr. Patrick Duffy accept Medicare assignment?
Yes. Dr. Patrick Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Duffy commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.