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

Ashley Oneil, MD

Individual provider Pediatrics Physician · NPI 1639800550

Ashley Oneil, MD is a Pediatrics Physician in Springfield, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2022
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

400 N 9th St 4th Fl 4B
Springfield, IL 62702-5310
Phone: (217) 545-8000
Fax: (217) 545-2303
Show map & directions

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

Additional practice locations (1)

  • 400 N 9th St # 4a, Springfield, IL 62702-5310 — (217) 545-4779

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036.175720 (IL)

Record details

NPI number1639800550
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2022
Last updated in NPPESJune 30, 2025
Certification dateJune 30, 2025
Mailing addressPo Box 19639, Springfield, IL 62794-9639

Other providers in Springfield