Mary C. Olszewski, D.P.M.
Foot Surgery Podiatrist · Palatine, IL
Mary C. Olszewski, D.P.M. is a foot surgery podiatrist with a practice address in Palatine, Illinois, and NPI 1245274406, issued on Jun 16, 2006. Check the license (Illinois 016004266, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary C. Olszewski
- Credential
- D.P.M.
- Primary taxonomy
- Foot Surgery Podiatrist 213ES0131X
- License number
- 016004266 IL
Self-reported in NPPES; status is on the state search - Practice location
- 434 E Palatine RD, Palatine, IL 60074
- Phone
- (847) 398-0900
- Enumerated
- Jun 16, 2006
- Record last updated
- Jan 24, 2023
- Fax
- (847) 398-0973
- Medicaid ID
- 016004266 IL
- Medicare enrollment
- Enrolled (PECOS I20101215000314); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest foot surgery podiatrist records → All 64 in Illinois → Look up another NPI →
Also registered at 434 E Palatine RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sonu Joseph, DPMFoot & Ankle Surgery Podiatrist1043662018
- Richard Powers, DPMPodiatrist1750310264
Verify Mary C. Olszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 016004266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average foot surgery podiatrist in 2024
48 Medicare Part D claims for 26 beneficiaries, against an average of 358 among the 1,032 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 75.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29.13
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 731 providers of this specialty with any payment received $1,811.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mary Olszewski And Associates P CPalatine, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary C. Olszewski among 64 foot surgery podiatrist records in Illinois
Mary C. Olszewski, D.P.M. is one of 64 foot surgery podiatrist records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 28% of them.
- NPI issued2006 · 28% of these records are older, 36% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1984 · median 1999 among the 42 with a school on file
- Record last updated2023 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0131X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Foot Surgery Podiatrist providers in Illinois
There are 64 foot surgery podiatrist records in Illinois.
All 64 in Illinois → Every provider in Palatine → Foot Surgery Podiatrist nationwide →
The 8 foot surgery podiatrist records with the nearest ZIP codes
- John Fischer, DPM PCPark Ridge, IL 600681770642084
- Leland Jaffe, D.P.M.Palatine, IL 600671265696777
- Karona Mason, DPMNorth Chicago, IL 600641336147164
- Stephanie Wu, DPM.North Chicago, IL 600641003877762
- Marisenda Benitez, DPMWaukegan, IL 600851336115864
- Jacqueline Chen, DPMNorthbrook, IL 600621245212836
- Francine Rhinehart, DPMNorthbrook, IL 600621083917553
- Lewis WassermanNorthbrook, IL 600621821284506
Common questions
What is Mary C. Olszewski, D.P.M.'s NPI number?
Mary C. Olszewski, D.P.M.'s National Provider Identifier (NPI) is 1245274406, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Olszewski, D.P.M. located?
The NPPES record lists a practice address at 434 E Palatine RD, Palatine, IL, 60074. Phone: (847) 398-0900. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Olszewski, D.P.M.'s license?
NPPES lists Illinois license number 016004266, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary C. Olszewski, D.P.M. prescribe under Medicare Part D?
In 2024, Mary C. Olszewski, D.P.M. had 48 Medicare Part D claims for 26 beneficiaries; the average among foot surgery podiatrist prescribers was 358. Part D covers Medicare prescriptions only.
What is Mary C. Olszewski, D.P.M.'s MIPS final score?
The 2023 MIPS final score is 75.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.