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Edit this profileAt a glance
- 18947 John J Williams Hwy Unit 201, Rehoboth Beach, DE 19971
About Patrick Duffy
Patrick S. Duffy, PA is a physician assistant based in Rehoboth Beach, DE. According to Medicare claims data, Patrick cared for 3,201 Medicare patients across 5,505 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. The provider's National Provider Identifier (NPI) is 1780748368.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (302) 645-4801
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
18947 JOHN J WILLIAMS HWY UNIT 201
Rehoboth Beach, DE 19971
Procedures Most Often Billed to Medicare
5,505 services · 3,201 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
2,074 | More than most peers in Physician Assistant |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
556 | More often than most peers in Physician Assistant |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
439 | More than most peers in Physician Assistant |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
280 | More often than most peers in Physician Assistant |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
88 | More often than most peers in Physician Assistant |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
80 | More often than most peers in Physician Assistant |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
60 | More often than most peers in Physician Assistant |
| Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm | Procedure | 11603 |
40 | More often than most peers in Physician Assistant |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
36 | More often than most peers in Physician Assistant |
| Destruction of skin growth, 15 or more growths | Procedure | 17111 |
22 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Rehoboth Beach 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 6
Providers in DE who bill this service to Medicare most often.
Common questions
What does Patrick S. Duffy specialize in?
Patrick S. Duffy is a physician assistant in Rehoboth Beach, DE. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Patrick S. Duffy located?
Patrick S. Duffy is listed at 18947 John J Williams Hwy Unit 201, Rehoboth Beach, DE 19971. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Patrick S. Duffy's phone number?
The number on file is (302) 645-4801. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Patrick S. Duffy's NPI number?
Patrick S. Duffy's National Provider Identifier is 1780748368. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Patrick S. Duffy train?
Patrick S. Duffy attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Patrick S. Duffy been practicing?
Patrick S. Duffy has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Patrick S. Duffy do most often?
According to Medicare billing data, Patrick S. Duffy performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Patrick S. Duffy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Patrick S. Duffy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.