Doctor profile · Federal record

Dr. Katie O'Halloran, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Mattoon, IL

  • NPI 1104427293
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Health Center Dr
Mattoon, IL 619384644
(217) 238-4960
fax (217) 238-4951
Mailing address
1005 Health Center Dr Ste 201
Mattoon, IL 619384653

Credentials & registration

NPPES · NUCC
NPI registered
November 2020 — 6 yrs on file
Profile last updated
March 17, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209022108

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104427293. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
387
Distinct HCPCS
4
Medicare allowed
$29,405
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 244 106 $66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 70 68 $108
99214 Established patient office or other outpatient visit, 30-39 minutes 61 52 $81
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 12 12 $70

In context: peer comparison

Among 19 peers in this city , average services per provider: 98. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$535
Transactions
31
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 17 $222.22
E.R. Squibb & Sons, L.L.C. 2 $81.65
Merck Sharp & Dohme LLC 3 $71.98
Janssen Pharmaceuticals, Inc 4 $62.11
Lexicon Pharmaceuticals, Inc. 2 $38.18
Kiniksa Pharmaceuticals International, plc 1 $23.00
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $20.28
AstraZeneca Pharmaceuticals LP 1 $15.16

By nature of payment

Food and Beverage
$535

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
463
Patients
201
Total drug cost
$56,407
Drug Type Claims Patients Total cost
Furosemide Generic 84 48 $537
Spironolactone Generic 62 30 $802
Carvedilol Generic 39 17 $333
Metoprolol Succinate Generic 35 16 $515
Losartan Potassium Generic 33 17 $441
Warfarin Sodium Generic 32 17 $796
Entresto (Sacubitril/Valsartan) Brand 31 17 $24,468
Jardiance (Empagliflozin) Brand 29 16 $24,672
Potassium Chloride Generic 26 11 $479
Atorvastatin Calcium Generic 19 12 $174

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katie O'Halloran's medical specialty?
Dr. Katie O'Halloran practices Family Nurse Practitioner in Mattoon, IL.
Where does Dr. Katie O'Halloran practice?
Dr. Katie O'Halloran practices at 1000 Health Center Dr, Mattoon, IL 619384644. Office phone: 2172384960.
What is Dr. Katie O'Halloran's NPI?
Dr. Katie O'Halloran's National Provider Identifier (NPI) is 1104427293, issued by NPPES.
Does Dr. Katie O'Halloran accept Medicare assignment?
Yes. Dr. Katie O'Halloran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katie O'Halloran commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.