Doctor profile · Federal record

Dr. Paul Oneill, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Specialist · Hematology & Oncology Physician · Hematology & Oncology Physician · McHenry, IL

  • NPI 1548262611
  • 36 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
4305 W Medical Center Dr Ste 1
McHenry, IL 600508425
(815) 759-8100
fax (815) 759-8106
Additional location
1713 S Kofa Ave Ste A
Parker, AZ 853446401
(928) 669-7380
fax (928) 575-1052
Additional location
8415 N Pima RD Ste 165
Scottsdale, AZ 852584486
(480) 223-9805
fax (480) 270-6020
Show 1 more location
Additional location
700 W Ironwood Dr Ste 130
Coeur D Alene, ID 838144404
(208) 625-4700
Mailing address
Po Box 910221
Dallas, TX 753910221

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
July 28, 2025
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
Illinois #036163729 · Arizona #22764 · Idaho #7371256

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548262611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
305
Distinct HCPCS
4
Medicare allowed
$21,695
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 194 128 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 61 48 $97
99212 Established patient office or other outpatient visit, 10-19 minutes 36 33 $35
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $132

In context: peer comparison

Among 3 peers in this city , average services per provider: 111. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$147
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 3 $133.47
ABBVIE INC. 1 $13.80

By nature of payment

Education
$90
Food and Beverage
$57

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
362
Patients
130
Total drug cost
$1,030,433
Drug Type Claims Patients Total cost
Anastrozole Generic 61 22 $1,690
Acyclovir Generic 36 11 $426
Hydroxyurea Generic 33 12 $902
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 32 12 $734
Revlimid (Lenalidomide) Brand 31 0 $648,238
Dexamethasone Generic 27 15 $583
Prednisone Generic 24 11 $244
Ondansetron Hcl Generic 23 21 $234
Imatinib Mesylate Generic 19 0 $12,823
Prochlorperazine Maleate Generic 16 15 $122

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Oneill's medical specialty?
Dr. Paul Oneill practices Hematology & Oncology Physician in McHenry, IL.
Where does Dr. Paul Oneill practice?
Dr. Paul Oneill practices at 4305 W Medical Center Dr Ste 1, McHenry, IL 600508425. Office phone: 8157598100.
What is Dr. Paul Oneill's NPI?
Dr. Paul Oneill's National Provider Identifier (NPI) is 1548262611, issued by NPPES.
Does Dr. Paul Oneill accept Medicare assignment?
Dr. Paul Oneill does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Paul Oneill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.