DR. MAREK ROZYNEK (MD) – Anesthesiology Physician, NPI 1548243017
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,631 ANESTHESIOLOGY in IL
Provider Addresses for DR. MAREK ROZYNEK (MD)
300 Randall Rd
Geneva, IL 601344200
Phone: (630) 208-4060
Fax: (630) 208-4401
Type: Location
Box Turtle, Grogan's Mill, The Woodlands, Montgomery County, Texas, United States
MONTGOMERY, AL 361235019
Phone: (334) 279-1450
Fax: (334) 279-1660
Type: Mailing
Lakeland Medical Center, 1234, Napier Avenue, Saint Joseph, Berrien County, Michigan, 49085, United States
ST JOSEPH, MI 49085
Phone: (269) 428-0118
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 $97.
Total Amount is formed as General ($97) + Research ($0) + Ownership ($0) = $97.
Last reported payment date: 2024-12-08 • Largest payer in this snapshot: Medtronic, Inc. ($75).
Total Amount
$97
General + Research + Ownership
Payments
2
Total payment records
General Amount
$97
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $75 |
| Takeda Pharmaceuticals U.S.A., Inc. | $22 |
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: 2009-05-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20051110000370 | I | Anesthesiology | NY | TBD |
| I20070327000640 | I | Anesthesiology | MI | TBD |
| I20090529000477 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 40 | 40 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 31 | 31 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 29 | 29 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 23 | 22 | $0 |
| 00142 | Anesthesia for lens surgery | 15 | 14 | $0 |
Insurance plans in this area (ZIP 60134)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | MI | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Vascular Surgery | IL | |
| - | MI | |
| - | MI | |
| A N E S T H E S I O L O G Y | TX | |
| Clinical Social Worker | MI |
Reviews
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