Quick answers
- Where does Sean J. Duffy see patients?
- Medicare's clinician data lists 7 practice locations, including Pottstown, PA, Devon, PA and Collegeville, PA. Call before your visit to confirm the address.
- What is Sean J. Duffy's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Sean J. Duffy accept Medicare assignment?
- Yes. Medicare's clinician data says Sean J. Duffy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sean J. Duffy?
- (610) 427-4919, as listed in official Medicare / NPI Registry data.
- What is Sean J. Duffy's NPI number?
- 1104306117. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Sean J. Duffy is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 119 Shoemaker RdPottstown, PA 19464 (610) 427‑4919
- 133 Lancaster AveDevon, PA 19333 (484) 581‑2990
- 1411 S Collegeville RdCollegeville, PA 19426 (484) 902‑1893
- 2310 Schoenersville RdBethlehem, PA 18017 (484) 403‑7560
- 2450 Butler StEaston, PA 18042 (610) 991‑3136
Group practices
Medicare enrollment lists Sean J. Duffy as a member of this group (CMS data updated 2026-10-02).
- Patient First Pennsylvania Medical Group PLLC130 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pottstown
Clinicians with the same Medicare primary specialty in Pottstown, PA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104306117 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians