WILLIAM Z KOLOZSI (MD) – Gastroenterology Physician, NPI 1144203456
Gastroenterology Physician
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Profile Insights
NPPES metrics only — not quality of care.
863 GASTROENTEROLOGY in OH
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Provider Addresses for WILLIAM Z KOLOZSI (MD)
2525, Southeast Boulevard, Salem, Columbiana County, Ohio, 44460, United States
SALEM, OH 444603464
Phone: (330) 337-8709
Fax: (330) 337-9019
Type: Mailing
2020, East State Street, Salem, Columbiana County, Ohio, 44460, United States
SUITE H
SALEM, OH 444602480
Phone: (330) 337-8709
Fax: (330) 337-9019
Type: Location
2094 E STATE ST STE B
SALEM, OH 444604409
Phone: (330) 337-8709
Fax: (330) 337-9019
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 61 Open Payments records for all available years, with a total value of $1,069.
Total Amount is formed as General ($1,069) + Research ($0) + Ownership ($0) = $1,069.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Janssen Biotech, Inc. ($209).
Total Amount
$1,069
General + Research + Ownership
Payments
61
Total payment records
General Amount
$1,069
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $209 |
| ABBVIE INC. | $189 |
| Takeda Pharmaceuticals U.S.A., Inc. | $186 |
| Celltrion USA Inc. | $103 |
| NESTLE HEALTHCARE NUTRITION INC. | $61 |
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: 2005-02-21
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 |
|---|---|---|---|---|
| I20050221000201 | I | Gastroenterology | OH | 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 |
|---|---|---|---|---|
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 94 | 80 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 55 | 55 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 54 | 54 | $0 |
| 45384 | Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery | 46 | 46 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 42 | 42 | $0 |
Insurance plans in this area (ZIP 44460)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | OH | 45378 | Diagnostic examination of large bowel using an endoscope | 26 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OH | |
| Internal Medicine | OH | |
| Nurse Practitioner | OH | |
| Family Practice | PA | |
| Hospitalist, Internal Medicine | OH | |
| Nurse Practitioner | OH | |
| N E U R O L O G Y | OH | |
| Internal Medicine | OH | |
| Internal Medicine | OH | |
| General Surgery | OH |
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