Patrick Sean Duffy, PA
Physician Assistant · Rehoboth Beach, DE
Patrick Sean Duffy, PA is a physician assistant with a practice address in Rehoboth Beach, Delaware, and NPI 1780748368, issued on Dec 20, 2006. Check the license (Delaware C50000546, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Patrick Sean Duffy
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C50000546 DE
Self-reported in NPPES; status is on the state search - Practice location
- 18947 John J Williams Hwy Unit 201, Rehoboth Beach, DE 19971
- Phone
- (302) 645-4801
- Enumerated
- Dec 20, 2006
- Record last updated
- Oct 26, 2023
- Fax
- (302) 645-7183
- Medicare enrollment
- Enrolled (PECOS I20070626000623); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 695 in Delaware → Look up another NPI →
Also registered at 18947 John J Williams Hwy Unit 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cassidy Hill, PAPhysician Assistant1144981077
- Dean Mittman, MDDermatology Physician1043359292
- Ogechukwu Ndum, M.D.Allergy Physician1205198512
Verify Patrick Sean Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license C50000546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average physician assistant in 2024
1,465 Medicare Part D claims for 616 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Ketoconazole216 claims
- Triamcinolone Acetonide199 claims
- Clobetasol Propionate107 claims
- Doxycycline Hyclate94 claims
- Cephalexin61 claims
- Fluocinonide59 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $916.59
29 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Beebe Physician Network Inc.Rehoboth Beach, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Sean Duffy among 695 physician assistant records in Delaware
Patrick Sean Duffy, PA is one of 695 physician assistant records with a practice address in Delaware. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2019 among the 462 with a school on file
- Record last updated2023 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 physician assistant records list a practice address in Rehoboth Beach
They are 15 of the 291 NPPES records with a practice address in Rehoboth Beach, and 695 physician assistant records in Delaware.
All 695 in Delaware → Every provider in Rehoboth Beach → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Noor Al-RashidRehoboth Beach, DE 199711891269858
- Vidya Balkishun, PA-CRehoboth Beach, DE 199711750432142
- Robert Barwick, PARehoboth Beach, DE 199711063878064
- Mike BeversRehoboth Beach, DE 199711508899485
- Alexander Chase, PA-CRehoboth Beach, DE 199711740684653
- Tricia Ecker, PA-CRehoboth Beach, DE 199711932447679
- Andrew Fitzkee, P.A.Rehoboth Beach, DE 199711578536850
- Leah Higgins, PA-CRehoboth Beach, DE 199711376538330
Common questions
What is Patrick Sean Duffy, PA's NPI number?
Patrick Sean Duffy, PA's National Provider Identifier (NPI) is 1780748368, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Sean Duffy, PA located?
The NPPES record lists a practice address at 18947 John J Williams Hwy Unit 201, Rehoboth Beach, DE, 19971. Phone: (302) 645-4801. Providers update this record themselves, so call before visiting.
How can I verify Patrick Sean Duffy, PA's license?
NPPES lists Delaware license number C50000546, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Patrick Sean Duffy, PA prescribe under Medicare Part D?
In 2024, Patrick Sean Duffy, PA had 1,465 Medicare Part D claims for 616 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.