Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KAROLINA WOLOSZYN MACHNICA DO
NPI 1295091403
Internal Medicine - Endocrinology, Diabetes & Metabolism in Bannockburn, IL

Active since April 02, 2012PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
2151 WAUKEGAN RD STE 140, BANNOCKBURN, IL 60015(847) 663-8540 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2021, Oct 27, 2017, Aug 24, 2017 and 1 more (4 updates tracked since 2017).

About Karolina Woloszyn Machnica Do NPPES

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

KAROLINA WOLOSZYN MACHNICA DO (NPI 1295091403) is an individual endocrinology, diabetes & metabolism provider in Bannockburn, Illinois, licensed in Illinois (036143084) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2012).

NPPES Registry Identity

NPI1295091403
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameKAROLINA WOLOSZYN MACHNICACredential: DO
Location Address2151 WAUKEGAN RD STE 140Bannockburn, IL 60015-1868
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040
Sole ProprietorYes
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2012
Enumeration DateApril 2, 2012
Last NPPES UpdateJune 18, 20264 updates tracked since enumeration
NPPES CertifiedJune 18, 2026
NPI 1295091403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in IL · 036143084
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
2151 WAUKEGAN RD STE 140, Bannockburn, IL 60015

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Karolina Woloszyn Machnica Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012219017
PECOS Enrollment IDI20170919004201
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
405 services283 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
139 services53 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
119 services61 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
83 services64 patients
Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421
This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.
39 services28 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
29 services29 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
3 suppliers11 claims330 services$2.25 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
42 suppliers81 claims314 services$6.41 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
21 suppliers31 claims51 services$1.07 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
21 suppliers189 claims190 services$185.52 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
2151 WAUKEGAN RD STE 140
BANNOCKBURN, IL 60015
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2151 WAUKEGAN RD STE 140
BANNOCKBURN, IL 60015
Dietitian, Registered
2151 WAUKEGAN RD STE 140
BANNOCKBURN, IL 60015
Dietitian, Registered (Nutrition, Metabolic)
2151 WAUKEGAN RD STE 140
BANNOCKBURN, IL 60015
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2151 WAUKEGAN RD STE 140
BANNOCKBURN, IL 60015
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2151 WAUKEGAN RD STE 140
BANNOCKBURN, IL 60015

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 Karolina Machnica's NPI number?

The NPI number for Karolina Machnica is 1295091403. It was assigned to this individual provider in the NPPES registry on April 2, 2012.

Where is Karolina Machnica located?

Karolina Machnica practices at 2151 Waukegan Rd Ste 140, Bannockburn, IL 60015. The listed phone number is (847) 663-8540.

What is Karolina Machnica's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Karolina Machnica enrolled in Medicare?

Yes. Karolina Machnica is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karolina Machnica accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Karolina Machnica as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karolina Machnica affiliated with any hospitals?

According to CMS data, Karolina Machnica is affiliated with Northshore University Healthsystem - Evanston Hospital, Swedish Hospital and Northwestern Lake Forest Hospital.

When was this NPI record last updated?

The NPPES record for Karolina Machnica was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.