DR. THOMAS JAN KONTUREK (M.D.) – Gastroenterology Physician, NPI 1942651096
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
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Provider Addresses for DR. THOMAS JAN KONTUREK (M.D.)
2160, South 1st Avenue, Maywood, Proviso Township, Cook County, Illinois, 60153, United States
MAYWOOD, IL 601533328
Phone:
Type: Mailing
408 S BEACH BLVD STE 211
ANAHEIM, CA 928041869
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $405.
Total Amount is formed as General ($405) + Research ($0) + Ownership ($0) = $405.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: INTERCEPT PHARMACEUTICALS, INC. ($145).
Total Amount
$405
General + Research + Ownership
Payments
12
Total payment records
General Amount
$405
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2022-07-12
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 |
|---|---|---|---|---|
| I20220712002222 | I | Gastroenterology | CA | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 446 | 137 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 144 | 138 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 84 | 82 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 58 | 58 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 42 | 41 | $0 |
Insurance plans in this area (ZIP 60153)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| Gastroenterology, Internal Medicine | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| Physician Assistant | CA |
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