MARY OLSZEWSKI AND ASSOCIATES P C – Foot & Ankle Surgery Podiatrist, NPI 1750404745
Foot & Ankle Surgery Podiatrist
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MARY OLSZEWSKI AND ASSOCIATES P C
1804 N ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 600043910
Phone: (847) 398-0900
Fax: (847) 398-0973
Type: Mailing
434 E PALATINE RD
PALATINE, IL 600745119
Phone: (847) 398-0900
Fax: (847) 398-0973
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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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: 2005-10-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2026-04-30 (41 days ago).
Enrollment records
1
Earliest due date
2026-04-30
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 |
|---|---|---|---|---|
| O20051031000496 | O | Clinic/Group Practice | IL | 2026-04-30 |
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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60004)
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