DR. CHRISTOPHER M CHAMBERS (MD, PHD) – Vascular Surgery Physician, NPI 1184831869
Vascular Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,423 GENERAL SURGERY in IL
Provider Addresses for DR. CHRISTOPHER M CHAMBERS (MD, PHD)
4600 Memorial Dr Ste 120
Belleville, IL 622265359
Phone: (618) 222-1020
Type: Location
Spectrum Health Butterworth Hospital, 100, Michigan Street Northeast, Grand Rapids, Kent County, Michigan, 49503, United States
MC 845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
Lake Drive Southeast, Heritage Hill Historic District, Grand Rapids, Kent County, Michigan, 49546, United States
STE. 312
GRAND RAPIDS, MI 495468816
Phone: (616) 267-8700
Fax: (616) 267-8247
Type: Location
275 MICHIGAN ST NE
GRAND RAPIDS, MI 495032531
Phone: (616) 267-8700
Fax: (616) 267-8247
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 27 Open Payments records for all available years, with a total value of $2,150.
Total Amount is formed as General ($2,150) + Research ($0) + Ownership ($0) = $2,150.
Last reported payment date: 2024-11-28 • Largest payer in this snapshot: Aesculap Implant Systems, LLC ($1,488).
Total Amount
$2,150
General + Research + Ownership
Payments
27
Total payment records
General Amount
$2,150
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Aesculap Implant Systems, LLC | $1,488 |
| Kerecis Limited | $159 |
| Cook Medical LLC | $71 |
| Ethicon US, LLC | $56 |
| Medtronic, Inc. | $53 |
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: 2022-05-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20080722000751 | I | Vascular Surgery | MI | TBD |
| I20220505001950 | I | Vascular Surgery | 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 |
|---|---|---|---|---|
| 93922 | Ultrasound study of arm and leg arteries | 131 | 122 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 76 | 70 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 57 | 56 | $0 |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 38 | 37 | $0 |
| 93923 | Complete ultrasound study of arm and leg arteries | 31 | 31 | $0 |
Insurance plans in this area (ZIP 62226)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Vascular Surgery | IL | |
| - | MI | |
| - | MI | |
| - | MI | |
| Physician Assistant | MI |
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