DR. ANASTASIA KARABATSOS SIATRAS (D.O.) – Diagnostic Radiology Physician, NPI 1912163577
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
847 DIAGNOSTIC RADIOLOGY in IN
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Provider Addresses for DR. ANASTASIA KARABATSOS SIATRAS (D.O.)
55, East 86th Avenue, Merrillville, Lake County, Indiana, 46410, United States
MERRILLVILLE, IN 464106382
Phone: (219) 769-1670
Fax: (219) 738-6714
Type: Mailing
Methodist Hospitals - Southlake Campus, 8701, Broadway, Merrillville, Lake County, Indiana, 46410, United States
MERRILLVILLE, IN 464107035
Phone: (219) 738-5565
Fax: (219) 738-6714
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $84.
Total Amount is formed as General ($84) + Research ($0) + Ownership ($0) = $84.
Last reported payment date: 2023-09-26 • Largest payer in this snapshot: Gilead Sciences, Inc. ($33).
Total Amount
$84
General + Research + Ownership
Payments
3
Total payment records
General Amount
$84
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $33 |
| Hologic Sales and Service, LLC | $31 |
| Seagen Inc. | $20 |
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: 2012-06-27
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 |
|---|---|---|---|---|
| I20120627000323 | I | Diagnostic Radiology | IN | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,380 | 14 | $0 |
| 77067 | Screening mammography | 1,074 | 1,074 | $0 |
| 77063 | Screening 3d breast mammography | 1,069 | 1,069 | $0 |
| 71045 | X-ray of chest, 1 view | 568 | 472 | $0 |
| 70450 | Ct scan head or brain without contrast | 210 | 194 | $0 |
Insurance plans in this area (ZIP 46410)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN | |
| - | IN | |
| Diagnostic Radiology | MA |
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