DR. IULIA O'NEILL (MD) – Family Medicine Physician, NPI 1255381927
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
5,037 FAMILY PRACTICE in IL
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Provider Addresses for DR. IULIA O'NEILL (MD)
303, East Army Trail Road, Bloomingdale, DuPage County, Illinois, 60101, United States
SUITE 300
BLOOMINGDALE, IL 601082169
Phone: (630) 545-8300
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 36 Open Payments records for all available years, with a total value of $743.
Total Amount is formed as General ($743) + Research ($0) + Ownership ($0) = $743.
Last reported payment date: 2024-09-20 • Largest payer in this snapshot: ABBVIE INC. ($281).
Total Amount
$743
General + Research + Ownership
Payments
36
Total payment records
General Amount
$743
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $281 |
| Novo Nordisk Inc | $133 |
| Amgen Inc. | $93 |
| AstraZeneca Pharmaceuticals LP | $71 |
| Lilly USA, LLC | $43 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-10-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041008001324 | I | Family Practice | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 468 | 175 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 141 | 96 | $0 |
| 83036 | Hemoglobin a1c level | 112 | 50 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 78 | 17 | $0 |
| G0008 | Administration of influenza virus vaccine | 72 | 70 | $0 |
Insurance plans in this area (ZIP 60108)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | IL | 83036 | Hemoglobin A1C level | 79 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | IL | |
| Family Practice, Emergency Medicine | IL | |
| N E U R O L O G Y | IL | |
| O T O L A R Y N G O L O G Y | IL | |
| - | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Geriatric Medicine, Family Practice | IL | |
| Family Practice | IL |
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