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

Mr. John Fletcher Flagg, ATC

Individual provider Athletic Trainer · NPI 1982809265

Mr. John Fletcher Flagg, ATC is an Athletic Trainer in Seaford, Delaware. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
ATC — Certified Athletic Trainer
Prevents and treats sport and activity injuries.

See every abbreviation used in this directory →

Practice location Address checks out

1 Chelsea Ct
Seaford, DE 19973-8030
Phone: (410) 251-4624
Show map & directions

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

Specialties & licences

Athletic Trainer (primary) Taxonomy 2255A2300X

Record details

NPI number1982809265
Entity typeIndividual (Type 1)
GenderMale
Credentials ATC
Sole proprietorYes
NPI enumeratedJune 18, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1 Chelsea Ct, Seaford, DE 19973-8030

Other providers in Seaford