MARK WELDON ARNETT (M.D.) – Diagnostic Radiology Physician, NPI 1538114616
Diagnostic Radiology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for MARK WELDON ARNETT (M.D.)
1740 W Taylor St
Chicago, IL 606127232
Phone: (312) 413-4900
Type: Location
3249 SOUTH OAK PARK AVE.
BERWYN, IL 60402
Phone: (707) 783-3532
Fax: (708) 782-3164
Type: Mailing
West Suburban Medical Center, 3, Erie Court, Ridgeland, Oak Park, Cook County, Illinois, 60302, United States
OAK PARK, IL 603022519
Phone: (707) 783-3532
Fax: (708) 782-3164
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $88.
Total Amount is formed as General ($88) + Research ($0) + Ownership ($0) = $88.
Last reported payment date: 2024-09-12 • Largest payer in this snapshot: Boston Scientific Corporation ($27).
Total Amount
$88
General + Research + Ownership
Payments
4
Total payment records
General Amount
$88
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-12
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2005-03-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-11-30 (923 days ago).
Enrollment records
1
Earliest due date
2023-11-30
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 |
|---|---|---|---|---|
| I20050302000685 | I | Diagnostic Radiology | IL | 2023-11-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 225 | 193 | $0 |
| 70450 | Ct scan head or brain without contrast | 151 | 147 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 106 | 101 | $0 |
| 71260 | Ct scan of chest with contrast | 75 | 73 | $0 |
| 71046 | X-ray of chest, 2 views | 73 | 73 | $0 |
Insurance plans in this area (ZIP 60612)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 73630 | X-ray of foot, minimum of 3 views | 18 | 17 |
| DIAGNOSTIC RADIOLOGY | IL | 74177 | CT scan of abdomen and pelvis with contrast | 58 | 56 |
| DIAGNOSTIC RADIOLOGY | IL | 77012 | Radiological supervision and interpretation of CT guidance for needle insertion | 12 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| - | IL | |
| - | IL | |
| Gastroenterology, Internal Medicine | WI | |
| - | IL | |
| O P H T H A L M O L O G Y | NY | |
| O T O L A R Y N G O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| G A S T R O E N T E R O L O G Y | FL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.