SEAN LAWRENCE FINNERTY DO
NPI 1639392236
Emergency Medicine in Seaford, DE
About Sean Lawrence Finnerty Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN LAWRENCE FINNERTY DO (NPI 1639392236) is an individual emergency medicine provider in Seaford, Delaware, licensed in Maryland (H68559) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chestertown.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sean Lawrence Finnerty Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Sean Finnerty reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MD 21613
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- 729 clinicians in this Medicare group
Chestertown, MD 21620
- Reassigned Medicare billing, Maryland enrollment
- 172 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 130 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19973 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sean Finnerty's NPI number?
The NPI number for Sean Finnerty is 1639392236. It was assigned to this individual provider in the NPPES registry on April 11, 2007.
Where is Sean Finnerty located?
Sean Finnerty practices at 801 Middleford Rd, Seaford, DE 19973. The listed phone number is (302) 629-6611.
What is Sean Finnerty's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sean Finnerty enrolled in Medicare?
Yes. Sean Finnerty is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sean Finnerty's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Finnerty reassigns Medicare benefits to 3 organizations: Emergency Medicine Associates, PA (Cambridge, MD), Chester River Hospital Center (Chestertown, MD) and Upper Chesapeake Emergency Medicine Physicians, LLC (Bel Air, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Finnerty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sean Finnerty was last updated on March 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sean Lawrence Finnerty, DO · NPI 1639392236
Emergency Medicine physician in Seaford, Delaware. Individual provider, active in the CMS NPPES registry since April 11, 2007.
## Identity
- **NPI:** 1639392236 (Entity type: Individual)
- **Enumerated:** April 11, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** H68559 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 801 MIDDLEFORD RD, Seaford, DE 19973-3636
- **Phone:** (302) 629-6611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Associates, PA (NPI 1083465033, Cambridge, MD); Chester River Hospital Center (NPI 1053491795, Chestertown, MD); Upper Chesapeake Emergency Medicine Physicians, LLC (NPI 1285854026, Bel Air, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 31, 2022
- **Other identifiers:** Other 1639392236 (DE); Medicaid 414097400 (MD); Medicaid 1639392236 (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1639392236) · Data from the CMS NPPES public registry.