DR. MARA B STEPHENSON (D.O.) – Diagnostic Radiology Physician, NPI 1093080103
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for DR. MARA B STEPHENSON (D.O.)
836 W WELLINGTON AVE
CHICAGO, IL 606575147
Phone:
Type: Mailing
1420 RENAISSANCE DR STE 307
PARK RIDGE, IL 600681343
Phone: (847) 803-1000
Fax: (847) 803-1098
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2023-01-27 • Largest payer in this snapshot: Bard Peripheral Vascular, Inc. ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-01-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bard Peripheral Vascular, Inc. | $16 |
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: 2018-08-01
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 |
|---|---|---|---|---|
| I20180801000779 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| 77067 | Screening mammography | 329 | 329 | $0 |
| 77063 | Screening 3d breast mammography | 325 | 325 | $0 |
| 71045 | X-ray of chest, 1 view | 121 | 110 | $0 |
| 71250 | Ct scan of chest without contrast | 110 | 109 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 87 | 86 | $0 |
Insurance plans in this area (ZIP 60657)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| Diagnostic Radiology | NV | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology, Nuclear Medicine | IL | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | TX |
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