Mary Olszewski, D.P.M.
NPI 1245274406 · Foot Surgery Podiatrist · Palatine, IL
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Olszewski, D.P.M. is a Foot Surgery Podiatrist provider in Palatine, IL (NPI 1245274406).
Provider details
- NPI number
- 1245274406
- Entity type
- Individual
- Primary specialty
- Foot Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- D.P.M.
- Sex
- Female
- Sole proprietor
- No
- License
- 016004266 (IL)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,823 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 2,910 | $99 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 288 | $48 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 181 | $123 |
| X-Ray of Foot, Minimum of 3 Views73630 | 156 | $36 |
| Placement of Strapping to Ankle Or Foot29540 | 66 | $37 |
| Simple Or Single Drainage of Skin Abscess10060 | 40 | $140 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2023-01-24
- Certified
- 2023-01-24
Frequently asked questions
- What is Mary Olszewski's NPI number?
- Mary Olszewski's National Provider Identifier (NPI) is 1245274406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Olszewski's specialty?
- Mary Olszewski is listed in the NPPES registry with a primary specialty of Foot Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Mary Olszewski located?
- Mary Olszewski's practice location on file with NPPES is 434 E Palatine Rd, Palatine, IL 60074-5119.
- What is Mary Olszewski's phone number?
- The practice phone number listed in the NPPES registry for Mary Olszewski is (847) 398-0900.
- Does Mary Olszewski accept Medicare?
- Mary Olszewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Olszewski's NPI active?
- Yes — Mary Olszewski's NPI (1245274406) is active in the NPPES registry as of the last update on 2023-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.