DR. PAUL J GRUSZKA (M.D.) – Orthopaedic Surgery Physician, NPI 1295733889
Orthopaedic Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
668 ORTHOPEDIC SURGERY in IN
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Provider Addresses for DR. PAUL J GRUSZKA (M.D.)
Gateway Boulevard, Chesterton, Porter County, Indiana, 46304, United States
CHESTERTON, IN 463049658
Phone: (219) 921-1444
Fax: (219) 921-5303
Type: Mailing
2501 Cumberland Dr
Valparaiso, IN 463832503
Phone: (219) 921-1444
Type: Location
3691 Willowcreek Rd
Portage, IN 463685080
Phone: (219) 921-1444
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 $114.
Total Amount is formed as General ($114) + Research ($0) + Ownership ($0) = $114.
Last reported payment date: 2024-10-31 • Largest payer in this snapshot: DePuy Synthes Sales Inc. ($61).
Total Amount
$114
General + Research + Ownership
Payments
3
Total payment records
General Amount
$114
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| DePuy Synthes Sales Inc. | $61 |
| Stryker Corporation | $53 |
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: 2010-01-12
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 |
|---|---|---|---|---|
| I20100112000583 | I | Orthopedic Surgery | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 662 | 299 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 570 | 194 | $0 |
| 20611 | Aspiration and/or injection of fluid large joint using ultrasound guidance | 570 | 214 | $0 |
| J7321 | Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 363 | 74 | $0 |
| 73562 | X-ray of knee, 3 views | 354 | 188 | $0 |
Insurance plans in this area (ZIP 46304)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | IN | |
| Nurse Practitioner | IN | |
| O P T O M E T R Y | IN | |
| Orthopedic Surgery | IL | |
| U R O L O G Y | MI | |
| Orthopedic Surgery | IN | |
| Nurse Practitioner | IL | |
| Hospitalist, Internal Medicine | IN | |
| Nurse Practitioner | IN | |
| Orthopedic Surgery, Hand Surgery | WA |
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