Patrick Duffy, PA
NPI 1780748368 · Physician Assistant · Rehoboth Beach, DE
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Duffy, PA is a Physician Assistant provider in Rehoboth Beach, DE (NPI 1780748368).
Provider details
- NPI number
- 1780748368
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- C50000546 (DE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,417 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 2,074 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,426 | $76 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 556 | $44 |
| Destruction of Skin Growth, 1-14 Growths17110 | 439 | $95 |
| Biopsy of Related Skin Growth, First Growth11102 | 280 | $76 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 216 | 129 |
| Triamcinolone Acetonide | 199 | 158 |
| Clobetasol Propionate | 107 | 61 |
| Doxycycline Hyclate | 94 | 50 |
| Cephalexin | 61 | 58 |
| Fluocinonide | 59 | 43 |
| Fluorouracil | 58 | 50 |
| Metronidazole | 58 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$917 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-20
- Last updated
- 2023-10-26
- Certified
- 2023-10-26
Frequently asked questions
- What is Patrick Duffy's NPI number?
- Patrick Duffy's National Provider Identifier (NPI) is 1780748368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Duffy's specialty?
- Patrick Duffy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Patrick Duffy located?
- Patrick Duffy's practice location on file with NPPES is 18947 John J Williams Hwy Unit 201, Rehoboth Beach, DE 19971-4476.
- What is Patrick Duffy's phone number?
- The practice phone number listed in the NPPES registry for Patrick Duffy is (302) 645-4801.
- Does Patrick Duffy accept Medicare?
- Patrick Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Duffy's NPI active?
- Yes — Patrick Duffy's NPI (1780748368) is active in the NPPES registry as of the last update on 2023-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.