DR. KIRBY P CLARK (M.D.) – Diagnostic Radiology Physician, NPI 1407893795
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for DR. KIRBY P CLARK (M.D.)
660 N Westmoreland Rd
Lake Forest, IL 600451659
Phone: (847) 535-7480
Type: Location
PO BOX 2758
WATERLOO, IA 507042758
Phone: (319) 235-5390
Type: Mailing
4006 JOHNATHAN ST
WATERLOO, IA 507019387
Phone: (319) 236-2700
Type: Location
200, East Belvidere Road, Grayslake, Lake, Illinois, 60030, United States
GRAYSLAKE, IL 600302083
Phone: (847) 535-7480
Fax: (847) 968-4311
Type: Mailing
660, North Westmoreland Road, Deerpath, Lake Forest, Lake County, Illinois, 60045, United States
LAKE FOREST, IL 600451659
Phone: (847) 535-7480
Type: Location
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 $13.
Total Amount is formed as General ($13) + Research ($0) + Ownership ($0) = $13.
Last reported payment date: 2023-10-04 • Largest payer in this snapshot: ABBVIE INC. ($13).
Total Amount
$13
General + Research + Ownership
Payments
1
Total payment records
General Amount
$13
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE 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: 2017-12-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20040824000467 | I | Diagnostic Radiology | WI | TBD |
| I20091203000719 | I | Diagnostic Radiology | IA | TBD |
| I20171212000239 | 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 |
|---|---|---|---|---|
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 20,101 | 107 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 12,000 | 136 | $0 |
| 72148 | Mri scan of lower spinal canal without contrast | 198 | 98 | $0 |
| 76705 | Limited ultrasound scan of abdomen | 191 | 152 | $0 |
| 73721 | Mri scan of leg joint without contrast | 156 | 76 | $0 |
Insurance plans in this area (ZIP 60045)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IA | 71010 | X-ray of chest, 1 view, front | 388 | 285 |
| DIAGNOSTIC RADIOLOGY | IA | 73110 | X-ray of wrist, minimum of 3 views | 13 | 13 |
| DIAGNOSTIC RADIOLOGY | IA | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 14 | 13 |
| DIAGNOSTIC RADIOLOGY | IA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 50 | 47 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| - | IA | |
| O P T O M E T R Y | IA | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | IA | |
| - | IA | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | MN |
Reviews
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