HARRY SIAVELIS (M.D.) – Surgery Physician, NPI 1255310736
Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,423 GENERAL SURGERY in IL
Loading map...
Provider Addresses for HARRY SIAVELIS (M.D.)
1860 PAYSPHERE CIR
CHICAGO, IL 606740018
Phone: (630) 469-9200
Type: Mailing
South York Road, Elmhurst, DuPage County, Illinois, 60106, United States
SUITE 4220
ELMHURST, IL 601265626
Phone: (630) 758-8838
Fax: (630) 758-8846
Type: Location
PO BOX 713260
CHICAGO, IL 606771260
Phone: (630) 469-9200
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $760.
Total Amount is formed as General ($760) + Research ($0) + Ownership ($0) = $760.
Last reported payment date: 2024-08-27 • Largest payer in this snapshot: W. L. Gore & Associates, Inc. ($558).
Total Amount
$760
General + Research + Ownership
Payments
9
Total payment records
General Amount
$760
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| W. L. Gore & Associates, Inc. | $558 |
| Intuitive Surgical, Inc. | $134 |
| CONMED Corporation | $68 |
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: 2010-10-22
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 |
|---|---|---|---|---|
| I20101022000675 | I | General 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 78 | 78 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 48 | 19 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 46 | 38 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 33 | 30 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 29 | $0 |
Insurance plans in this area (ZIP 60674)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | IL | |
| Physician Assistant | IL | |
| Internal Medicine | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Physical Therapist In Private Practice | IL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.