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

Dr. William Ej Horgan, MD, FACEP, FAAP

Individual provider Emergency Medicine Physician · NPI 1548268634

Dr. William Ej Horgan, MD, FACEP, FAAP is an Emergency Medicine Physician in Farmington, Connecticut. Licensed in Connecticut. Registered with an NPI since 2005.

Licensed in
CT
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
FAAP — Fellow of the American Academy of Pediatrics
A paediatrician admitted as a fellow of the AAP.

See every abbreviation used in this directory →

Practice location Address checks out

263 Farmington Ave
Farmington, CT 06030-0001
Phone: (860) 679-3486
Show map & directions

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

Specialties & licences

Pediatric Emergency Medicine (Emergency Medicine) Physician (primary) Taxonomy 207PP0204X · Licence 038803 (CT)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 038803 (CT)

Record details

NPI number1548268634
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , FACEP , FAAP
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESSeptember 11, 2025

Other providers in Farmington