JASON G. CHAMBERLIN (DO) – Internal Medicine Physician, NPI 1831207349
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for JASON G. CHAMBERLIN (DO)
601, East Fort Street, Farmington, Fulton County, Illinois, 61531, United States
FARMINGTON, IL 615310380
Phone: (309) 245-2406
Fax: (309) 649-6880
Type: Location
Graham Medical Group, 180, South Main Street, Canton, Fulton County, Illinois, 61520, United States
CANTON, IL 615202608
Phone: (309) 647-0201
Fax: (309) 647-8613
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 221 Open Payments records for all available years, with a total value of $3,927.
Total Amount is formed as General ($3,927) + Research ($0) + Ownership ($0) = $3,927.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($395).
Total Amount
$3,927
General + Research + Ownership
Payments
221
Total payment records
General Amount
$3,927
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
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: 2004-09-23
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 |
|---|---|---|---|---|
| I20040923000678 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 854 | 639 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 239 | 73 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 62 | 53 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 61 | 47 | $0 |
| 93227 | Electrocardiogram (ecg) 2-day continuous with review by health care professional | 21 | 21 | $0 |
Insurance plans in this area (ZIP 61531)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Emergency Medicine | IL | |
| Nurse Practitioner | IL | |
| Vascular Surgery, General Surgery | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Vascular Surgery | IL | |
| Family Practice | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL |
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