DR. JEFFREY MICHAEL KSIAZEK (M.D.) – Otolaryngology Physician, NPI 1679735104
Otolaryngology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
488 OTOLARYNGOLOGY in IL
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Provider Addresses for DR. JEFFREY MICHAEL KSIAZEK (M.D.)
519, North Winfield Road, West Winfield, Town of Winfield, Herkimer County, New York, 13491, United States
WINFIELD, IL 601901222
Phone: (630) 668-2180
Type: Mailing
Northwestern Medicine Central DuPage Hospital, 25, North Winfield Road, Geneva Road, Winfield, DuPage County, Illinois, 60190, United States
#519
WINFIELD, IL 60190
Phone: (630) 668-2180
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 75 Open Payments records for all available years, with a total value of $1,685.
Total Amount is formed as General ($1,685) + Research ($0) + Ownership ($0) = $1,685.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($279).
Total Amount
$1,685
General + Research + Ownership
Payments
75
Total payment records
General Amount
$1,685
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $279 |
| Stryker Corporation | $271 |
| Neurent Medical Limited | $251 |
| Acclarent, Inc | $162 |
| Regeneron Healthcare Solutions, Inc. | $161 |
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: 2014-02-07
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 |
|---|---|---|---|---|
| I20140207000044 | I | Otolaryngology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 153 | 129 | $0 |
| 31231 | Diagnostic exam of nasal passages using an endoscope | 107 | 87 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 83 | 65 | $0 |
| 31237 | Biopsy or removal of nasal polyp or tissue using an endoscope | 51 | 20 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 49 | 49 | $0 |
Insurance plans in this area (ZIP 60190)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| O T O L A R Y N G O L O G Y | IL | |
| Physician Assistant | IL |
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