Individual provider · Type 1 NPI

John F. O'Neill, MD

Ophthalmology Physician · Chevy Chase, MD

NPI number 1346238516 Active

Practice location

2 Wisconsin Cir, Suite 200
Chevy Chase, MD 20815-7003

Call (301) 215-7100 Map

Specialties and licenses

TaxonomyCodeLicense
Pediatrics Physician 208000000X2982 (DC)
Ophthalmology Physician Primary 207W00000XD0009712 (MD)

Ophthalmology Physician: An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services,…

17 other providers at this address

Other ophthalmology physician providers in Chevy Chase

See all in Chevy Chase →

About NPI 1346238516

John F. O'Neill, MD's National Provider Identifier is 1346238516, issued on Oct 11, 2005. The primary taxonomy on file is Ophthalmology Physician (207W00000X), and the practice location is in Chevy Chase, MD. The record was last updated on Sep 11, 2025.