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MARY OLSZEWSKI AND ASSOCIATES P C
NPI 1750404745
Podiatrist - Foot & Ankle Surgery in Palatine, IL

Active since April 06, 2007
434 E PALATINE RD, PALATINE, IL 60074(847) 398-0900(847) 398-0973 Get Directions Write a Review

NPPES record last updated: January 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Olszewski And Associates P C NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY OLSZEWSKI AND ASSOCIATES P C (NPI 1750404745) is a healthcare organization registered as a foot & ankle surgery in Palatine, Illinois and active in the NPI registry since April 2007. The organization lists Mary C Olszewski, Owner, as its authorized official.

NPPES Registry Identity

NPI1750404745
Entity TypeOrganization
Primary Taxonomy213ES0103X
Legal Business NameMARY OLSZEWSKI AND ASSOCIATES P C
Location Address434 E PALATINE RDPalatine, IL 60074-5119
Mailing Address434 E Palatine RdPalatine, IL 60074-5119 · (847) 398-0900 · Fax (847) 398-0973
Phone(847) 398-0900
Fax(847) 398-0973
Organization SubpartNo
Authorized OfficialMary C OlszewskiOwner · (847) 398-0900
Enumeration DateApril 6, 2007
Last NPPES UpdateJanuary 24, 2023
NPPES CertifiedJanuary 24, 2023
✔ NPI 1750404745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers
Taxonomy Code213ES0103X
434 E PALATINE RD, Palatine, IL 60074
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Olszewski And Associates P C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mary Olszewski And Associates P C, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Mary Olszewski, D.P.M.
Podiatry
NPI 1245274406
434 E PALATINE RD
Palatine, IL 60074
(847) 398-0900
✔ PECOS✔ Accepts MedicareSame address
Richard Powers, DPM
Podiatry
NPI 1750310264
434 E PALATINE RD
Palatine, IL 60074
(847) 398-0900
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Olszewski And Associates P C's NPI number?

The NPI number for Mary Olszewski And Associates P C is 1750404745. It was assigned to this organization in the NPPES registry on April 6, 2007.

Where is Mary Olszewski And Associates P C located?

Mary Olszewski And Associates P C is located at 434 E Palatine Rd, Palatine, IL 60074. The listed phone number is (847) 398-0900.

What is Mary Olszewski And Associates P C's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Mary Olszewski And Associates P C enrolled in Medicare?

Yes. Mary Olszewski And Associates P C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mary Olszewski And Associates P C?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Podiatry, reassign their Medicare billing to Mary Olszewski And Associates P C. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mary Olszewski And Associates P C was last updated on January 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.