DR. CHRISTOS S GIANNOULIAS (M.D./M.S.) – Orthopaedic Surgery Physician, NPI 1336198357
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,265 ORTHOPEDIC SURGERY in IL
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Provider Addresses for DR. CHRISTOS S GIANNOULIAS (M.D./M.S.)
South York Road, Elmhurst, DuPage County, Illinois, 60106, United States
SUITE 4190
ELMHURST, IL 601265626
Phone: (630) 782-1174
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2004-11-23
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 |
|---|---|---|---|---|
| I20041123000070 | I | Orthopedic 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 |
|---|---|---|---|---|
| J1030 | Injection, methylprednisolone acetate, 40 mg | 210 | 56 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 187 | 63 | $0 |
| J7321 | Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 105 | 23 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 68 | 48 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 41 | 31 | $0 |
Insurance plans in this area (ZIP 60126)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | IL | 20610 | Aspiration and/or injection of large joint or joint capsule | 254 | 63 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | IL | |
| Orthopedic Surgery | KY |
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