Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sean Lawrence Finnerty, DO

Individual provider Emergency Medicine Physician · NPI 1639392236

Sean Lawrence Finnerty, DO is an Emergency Medicine Physician in Seaford, Delaware. Practices as a sole proprietor and works from 2 locations. Licensed in Delaware, Maryland and New Jersey.

Licensed in
DE, MD, NJ
In the registry since
2007
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

801 Middleford Rd
Seaford, DE 19973-3636
Phone: (302) 629-6611
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 100 Brown St, Chestertown, MD 21620-1435 — (410) 778-3300

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence H68559 (MD)
Emergency Medicine Physician Taxonomy 207P00000X · Licence C2-0008470 (DE)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 25MB08011400 (NJ)

Record details

NPI number1639392236
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 11, 2007
Last updated in NPPESMarch 31, 2022
Certification dateMarch 31, 2022
Mailing address155 Roseland Ave Apt 25, Caldwell, NJ 07006-5997

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