NPPES file of Aug 9, 2026

Karolina Woloszyn Machnica, DO

Endocrinology, Diabetes & Metabolism Physician · Bannockburn, IL

Karolina Woloszyn Machnica, DO is an endocrinology, diabetes & metabolism physician with a practice address in Bannockburn, Illinois, and NPI 1295091403, issued on Apr 2, 2012. Check the license (Illinois 036143084, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295091403
Name
Karolina Woloszyn Machnica
Credential
DO
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
036143084 IL
Self-reported in NPPES; status is on the state search
Practice location
2151 Waukegan RD Ste 140, Bannockburn, IL 60015
Phone
(847) 663-8540
Enumerated
Apr 2, 2012
Record last updated
Jun 18, 2026
Medicare enrollment
Enrolled (PECOS I20170919004201); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2012
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2151 Waukegan RD Ste 140

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eve Bloomgarden, MDEndocrinology, Diabetes & Metabolism Physician1710192125
  2. Sara Chowdhury, M.D.Endocrinology, Diabetes & Metabolism Physician1720240179
  3. Megan Crawford, D.O.Endocrinology, Diabetes & Metabolism Physician1316209844
  4. Lisa Osowski, MS, RD, CDCES, LDNRegistered Dietitian1467330134
  5. Harriet Salzberg, RD, LDN, CDEMetabolic Nutrition Registered Dietitian1629227913
  6. Rebecca Sansoterra, PA-CPhysician Assistant1073340261

Verify Karolina Woloszyn Machnica in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036143084
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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18% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,107 Medicare Part D claims for 433 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Karolina Machnica3,107
  2. Specialty average2,630

Most prescribed

  1. Ozempic343 claims
  2. Levothyroxine Sodium292 claims
  3. Metformin Hcl Er172 claims
  4. Mounjaro156 claims
  5. Metformin Hcl147 claims
  6. Alendronate Sodium123 claims

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): 93.1 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.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karolina Woloszyn Machnica among 436 endocrinology, diabetes & metabolism physician records in Illinois

Karolina Woloszyn Machnica, DO is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 31% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2012 · median 2006 among the 295 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 endocrinology, diabetes & metabolism physician records list a practice address in Bannockburn

They are 5 of the 177 NPPES records with a practice address in Bannockburn, and 436 endocrinology, diabetes & metabolism physician records in Illinois.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Eve Bloomgarden, MDBannockburn, IL 600151710192125
  2. Sara Chowdhury, M.D.Bannockburn, IL 600151720240179
  3. Megan Crawford, D.O.Bannockburn, IL 600151316209844
  4. Kara Fine, MDDeerfield, IL 600151720286644
  5. Anthony Pick, M.D.Deerfield, IL 600151942373527
  6. Annie Skariah, MDBannockburn, IL 600151770142622
  7. Achal Garbharran, MDCrystal Lake, IL 600141942421144
  8. Ramadan Hammoud, M.D.Crystal Lake, IL 600141134328719

Common questions

What is Karolina Woloszyn Machnica, DO's NPI number?

Karolina Woloszyn Machnica, DO's National Provider Identifier (NPI) is 1295091403, issued on Apr 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karolina Woloszyn Machnica, DO located?

The NPPES record lists a practice address at 2151 Waukegan RD Ste 140, Bannockburn, IL, 60015. Phone: (847) 663-8540. Providers update this record themselves, so call before visiting.

How can I verify Karolina Woloszyn Machnica, DO's license?

NPPES lists Illinois license number 036143084, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karolina Woloszyn Machnica, DO prescribe under Medicare Part D?

In 2024, Karolina Woloszyn Machnica, DO had 3,107 Medicare Part D claims for 433 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Karolina Woloszyn Machnica, DO's MIPS final score?

The 2023 MIPS final score is 93.1 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.