DR. ANNA BIDA-DUDUN (M.D.) – Obstetrics & Gynecology Physician, NPI 1669444782
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,923 OBSTETRICS/GYNECOLOGY in IL
Provider Addresses for DR. ANNA BIDA-DUDUN (M.D.)
215 E. 1ST STREET, SUITE 215
KSB MEDICAL GROUP
DIXON, IL 61021
Phone: (815) 285-5423
Fax: (815) 285-5426
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $69.
Total Amount is formed as General ($69) + Research ($0) + Ownership ($0) = $69.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($37).
Total Amount
$69
General + Research + Ownership
Payments
4
Total payment records
General Amount
$69
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $37 |
| PFIZER INC. | $18 |
| Exeltis, USA Inc. | $15 |
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: 2014-11-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-11-30 (922 days ago).
Enrollment records
1
Earliest due date
2023-11-30
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 |
|---|---|---|---|---|
| I20141107000233 | I | Obstetrics/Gynecology | IL | 2023-11-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 18 | 12 | $0 |
Insurance plans in this area (ZIP 61021)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Orthopedic Surgery | IL | |
| Qualified Audiologist | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Nurse Practitioner | IL |
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