JULIAN VASSAY (M.D.) – Internal Medicine Physician, NPI 1003922782
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for JULIAN VASSAY (M.D.)
1005 HEALTH CENTER DR STE 201
MATTOON, IL 619384693
Phone: (217) 238-6055
Fax: (217) 258-2216
Type: Mailing
101 PROFESSIONAL PLAZA
MATTOON, IL 61938
Phone: (217) 258-2110
Fax: (217) 238-3434
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 69 Open Payments records for all available years, with a total value of $1,114.
Total Amount is formed as General ($1,114) + Research ($0) + Ownership ($0) = $1,114.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Amgen Inc. ($291).
Total Amount
$1,114
General + Research + Ownership
Payments
69
Total payment records
General Amount
$1,114
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $291 |
| Lilly USA, LLC | $266 |
| Novo Nordisk Inc | $137 |
| Novartis Pharmaceuticals Corporation | $87 |
| AstraZeneca Pharmaceuticals LP | $84 |
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: 2010-01-07
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 |
|---|---|---|---|---|
| I20100107000642 | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 1,620 | 16 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 229 | 148 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 227 | 129 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 89 | 23 | $0 |
| G0008 | Administration of influenza virus vaccine | 80 | 80 | $0 |
Insurance plans in this area (ZIP 61938)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Family Practice | IL | |
| Infectious Disease | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Orthopedic Surgery, Hand Surgery | IL |
Reviews
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