Doctor profile · Federal record

Dr. Cynthia Oneill, APRN

Nurse Practitioner · Tinley Park, IL

  • NPI 1043876683
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6850 Centennial Dr
Tinley Park, IL 604771653
(708) 429-3455
fax (708) 429-3422
Mailing address
Po Box 96
Tinley Park, IL 604770096

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
February 25, 2020
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209.018922

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043876683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,478
Distinct HCPCS
10
Medicare allowed
$71,642
HCPCS Description Services Patients Avg allowed
J7322 Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg 1,560 23 $17
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 444 60 $1
20610 Aspiration and/or injection of fluid from large joint 146 83 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 112 108 $110
27447 Replacement of knee joint, both sides of knee 61 59 $178
99213 Established patient office or other outpatient visit, 20-29 minutes 36 36 $78
27130 Replacement of thigh bone and hip joint with prosthesis 34 33 $178
73502 X-ray of hip, 2-3 views 24 23 $40
99212 Established patient office or other outpatient visit, 10-19 minutes 24 23 $49
73564 X-ray of knee, 4 or more views 23 18 $40

In context: peer comparison

Among 7 peers in this city , average services per provider: 113. This provider delivers 22× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
602
Patients
426
Total drug cost
$14,645
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 237 131 $2,528
Celecoxib Generic 112 106 $2,895
Gabapentin Generic 97 84 $404
Cephalexin Generic 78 68 $512
Tramadol Hcl Generic 22 13 $112
Meloxicam Generic 17 12 $84
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 14 0 $94
Eliquis (Apixaban) Brand 13 12 $7,854
Ondansetron Odt (Ondansetron) Brand 12 0 $161

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Oneill's medical specialty?
Dr. Cynthia Oneill practices Nurse Practitioner in Tinley Park, IL.
Where does Dr. Cynthia Oneill practice?
Dr. Cynthia Oneill practices at 6850 Centennial Dr, Tinley Park, IL 604771653. Office phone: 7084293455.
What is Dr. Cynthia Oneill's NPI?
Dr. Cynthia Oneill's National Provider Identifier (NPI) is 1043876683, issued by NPPES.
Does Dr. Cynthia Oneill accept Medicare assignment?
Yes. Dr. Cynthia Oneill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Oneill commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg (HCPCS J7322); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.