JOHN GUSTAITIS (M.D.) – Diagnostic Radiology Physician, NPI 1265425599
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 JOHN GUSTAITIS (M.D.)
Calumet Avenue, Munster, Lake County, Indiana, 46311, United States
MUNSTER, IN 463212807
Phone: (219) 836-2022
Type: Mailing
Community Hospital, 901, MacArthur Boulevard, Munster, Lake County, Indiana, 46321, United States
MUNSTER RADIOLOGY GROUP
MUNSTER, IN 463212901
Phone: (219) 836-4569
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $312.
Total Amount is formed as General ($312) + Research ($0) + Ownership ($0) = $312.
Last reported payment date: 2023-12-19 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($312).
Total Amount
$312
General + Research + Ownership
Payments
2
Total payment records
General Amount
$312
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $312 |
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: 2010-07-08
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 |
|---|---|---|---|---|
| I20100708000464 | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 3,797 | 2,961 | $0 |
| 71046 | X-ray of chest, 2 views | 3,549 | 3,194 | $0 |
| 73630 | X-ray of foot, minimum of 3 views | 938 | 723 | $0 |
| 73502 | X-ray of hip, 2-3 views | 795 | 710 | $0 |
| 74018 | X-ray of abdomen, 1 view | 780 | 704 | $0 |
Insurance plans in this area (ZIP 46321)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IN | 71010 | X-ray of chest, 1 view, front | 5860 | 4195 |
| DIAGNOSTIC RADIOLOGY | IN | 73110 | X-ray of wrist, minimum of 3 views | 31 | 25 |
| DIAGNOSTIC RADIOLOGY | IN | 73562 | X-ray of knee, 3 views | 41 | 33 |
| DIAGNOSTIC RADIOLOGY | IN | 73630 | X-ray of foot, minimum of 3 views | 92 | 74 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MI | |
| Diagnostic Radiology | IN | |
| Physician Assistant | IL | |
| - | IN | |
| - | IN | |
| Interventional Radiology, Diagnostic Radiology | IL | |
| - | IN | |
| - | IN | |
| - | IN | |
| Nurse Practitioner | IN |
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