Doctor profile · Federal record

Dr. Katherine O'Neil, FNP-BC

Family Nurse Practitioner · Springfield, IL

  • NPI 1841479896
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2239 E Cook St
Springfield, IL 627031944
(217) 788-2300
fax (217) 788-2342

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
February 4, 2016
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209007805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841479896. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $14.98

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$245
Drug Type Claims Patients Total cost
Potassium Chloride Generic 15 0 $245

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine O'Neil's medical specialty?
Dr. Katherine O'Neil practices Family Nurse Practitioner in Springfield, IL.
Where does Dr. Katherine O'Neil practice?
Dr. Katherine O'Neil practices at 2239 E Cook St, Springfield, IL 627031944. Office phone: 2177882300.
What is Dr. Katherine O'Neil's NPI?
Dr. Katherine O'Neil's National Provider Identifier (NPI) is 1841479896, issued by NPPES.