ALLEN TANG CHEN (MD) – Diagnostic Radiology Physician, NPI 1437341096
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
342 INTERVENTIONAL RADIOLOGY in IL
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Provider Addresses for ALLEN TANG CHEN (MD)
Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States
DEPARTMENT OF RADIOLOGY
EVANSTON, IL 602011718
Phone: (847) 570-2475
Fax: (847) 570-2942
Type: Location
834 Sheridan St
Port Townsend, WA 983682443
Phone: (360) 385-2200
Type: Location
1600 Windermere Dr E
Seattle, WA 981123738
Phone: (773) 805-3335
Type: Location
1100 9TH AVE
SEATTLE, WA 981012756
Phone: (206) 223-6851
Fax: (206) 344-7959
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $3,271.
Total Amount is formed as General ($3,271) + Research ($0) + Ownership ($0) = $3,271.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Inari Medical, Inc. ($2,180).
Total Amount
$3,271
General + Research + Ownership
Payments
23
Total payment records
General Amount
$3,271
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $2,180 |
| Terumo Medical Corporation | $443 |
| Boston Scientific Corporation | $338 |
| MOTIVA USA, LLC | $148 |
| REVANCE THERAPEUTICS, INC. | $142 |
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: 2025-07-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20080714000467 | I | Diagnostic Radiology | WA | TBD |
| I20111031000689 | I | Interventional Radiology | IL | TBD |
| I20250118000043 | I | Diagnostic Radiology | TN | TBD |
| I20250710003340 | I | Diagnostic Radiology | KY | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 7,450 | 72 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 230 | 218 | $0 |
| 71260 | Ct scan of chest with contrast | 159 | 151 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 77 | 76 | $0 |
| 82565 | Blood creatinine level | 64 | 63 | $0 |
Insurance plans in this area (ZIP 60201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | KY | |
| - | KY | |
| - | KY | |
| General Practice | KY | |
| P S Y C H I A T R Y | KY | |
| Thoracic Surgery, Cardiac Surgery | KY | |
| N E U R O S U R G E R Y | KY | |
| Physician Assistant | KY | |
| Emergency Medicine, General Practice | KY | |
| Hematology/Oncology, Internal Medicine | KY |
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