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

John F. O'Neill, MD

Individual provider Pediatrics Physician · NPI 1346238516

John F. O'Neill, MD is a Pediatrics Physician in Chevy Chase, Maryland. Licensed in District of Columbia and Maryland. Registered with an NPI since 2005.

Licensed in
DC, MD
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.

See every abbreviation used in this directory →

Practice location Address checks out

2 Wisconsin Cir Ste 200
Chevy Chase, MD 20815-7003
Phone: (301) 215-7100
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence D0009712 (MD)
Pediatrics Physician Taxonomy 208000000X · Licence 2982 (DC)

Record details

NPI number1346238516
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2005
Last updated in NPPESSeptember 11, 2025

Other providers in Chevy Chase