STEVEN JOHN ANTONINI (MD) – Pediatrics Physician, NPI 1114004652
Pediatrics Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,158 PEDIATRIC MEDICINE in IL
Provider Addresses for STEVEN JOHN ANTONINI (MD)
21205 OWENS RD STE 3
MOKENA, IL 604482023
Phone: (815) 469-2123
Fax: (815) 469-2149
Type: Mailing
222, Colorado Avenue, Frankfort, Will County, Illinois, 60423, United States
FRANKFORT, IL 604231334
Phone: (815) 469-2123
Fax: (815) 469-2149
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $128.
Total Amount is formed as General ($128) + Research ($0) + Ownership ($0) = $128.
Last reported payment date: 2024-01-25 • Largest payer in this snapshot: PFIZER INC. ($48).
Total Amount
$128
General + Research + Ownership
Payments
6
Total payment records
General Amount
$128
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $48 |
| Dexcom, Inc. | $43 |
| Merck Sharp & Dohme LLC | $25 |
| IDORSIA PHARMACEUTICALS US INC | $13 |
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: 2010-11-02
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 |
|---|---|---|---|---|
| I20101102001503 | I | Pediatric Medicine | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 93 | 34 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 89 | 32 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 60 | 29 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 37 | 20 | $0 |
| 96127 | Assessment of emotional or behavioral problems | 26 | 23 | $0 |
Insurance plans in this area (ZIP 60448)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PEDIATRIC MEDICINE | IL | 83036 | Hemoglobin A1C level | 44 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | IL | |
| Internal Medicine | IL | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| - | IL | |
| Internal Medicine | IL | |
| Internal Medicine | IL | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| - | IL |
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